diff --git a/ast.go b/ast.go
index 023df5c..359d24c 100644
--- a/ast.go
+++ b/ast.go
@@ -2113,6 +2113,8 @@ const (
 	NotRegexpStr         = "not regexp"
 	StartsWithStr        = "starts_with"
 	NotStartsWithStr     = "not starts_with"
+	ContainsStr          = "contains"
+	NotContainsStr       = "not contains"
 	JSONExtractOp        = "->"
 	JSONUnquoteExtractOp = "->>"
 )
diff --git a/sql.go b/sql.go
index 3dadbb8..0cda6a3 100644
--- a/sql.go
+++ b/sql.go
@@ -183,155 +183,156 @@ const LIKE = 57423
 const REGEXP = 57424
 const IN = 57425
 const STARTS_WITH = 57426
-const SHIFT_LEFT = 57427
-const SHIFT_RIGHT = 57428
-const DIV = 57429
-const MOD = 57430
-const UNARY = 57431
-const COLLATE = 57432
-const BINARY = 57433
-const UNDERSCORE_BINARY = 57434
-const INTERVAL = 57435
-const JSON_EXTRACT_OP = 57436
-const JSON_UNQUOTE_EXTRACT_OP = 57437
-const CREATE = 57438
-const ALTER = 57439
-const DROP = 57440
-const RENAME = 57441
-const ANALYZE = 57442
-const ADD = 57443
-const SCHEMA = 57444
-const TABLE = 57445
-const INDEX = 57446
-const VIEW = 57447
-const TO = 57448
-const IGNORE = 57449
-const IF = 57450
-const UNIQUE = 57451
-const PRIMARY = 57452
-const COLUMN = 57453
-const CONSTRAINT = 57454
-const SPATIAL = 57455
-const FULLTEXT = 57456
-const FOREIGN = 57457
-const KEY_BLOCK_SIZE = 57458
-const SHOW = 57459
-const DESCRIBE = 57460
-const EXPLAIN = 57461
-const DATE = 57462
-const ESCAPE = 57463
-const REPAIR = 57464
-const OPTIMIZE = 57465
-const TRUNCATE = 57466
-const MAXVALUE = 57467
-const PARTITION = 57468
-const REORGANIZE = 57469
-const LESS = 57470
-const THAN = 57471
-const PROCEDURE = 57472
-const TRIGGER = 57473
-const VINDEX = 57474
-const VINDEXES = 57475
-const STATUS = 57476
-const VARIABLES = 57477
-const BEGIN = 57478
-const START = 57479
-const TRANSACTION = 57480
-const COMMIT = 57481
-const ROLLBACK = 57482
-const BIT = 57483
-const TINYINT = 57484
-const SMALLINT = 57485
-const MEDIUMINT = 57486
-const INT = 57487
-const INTEGER = 57488
-const BIGINT = 57489
-const INTNUM = 57490
-const REAL = 57491
-const DOUBLE = 57492
-const FLOAT_TYPE = 57493
-const DECIMAL = 57494
-const NUMERIC = 57495
-const TIME = 57496
-const TIMESTAMP = 57497
-const DATETIME = 57498
-const YEAR = 57499
-const CHAR = 57500
-const VARCHAR = 57501
-const BOOL = 57502
-const CHARACTER = 57503
-const VARBINARY = 57504
-const NCHAR = 57505
-const TEXT = 57506
-const TINYTEXT = 57507
-const MEDIUMTEXT = 57508
-const LONGTEXT = 57509
-const BLOB = 57510
-const TINYBLOB = 57511
-const MEDIUMBLOB = 57512
-const LONGBLOB = 57513
-const JSON = 57514
-const ENUM = 57515
-const GEOMETRY = 57516
-const POINT = 57517
-const LINESTRING = 57518
-const POLYGON = 57519
-const GEOMETRYCOLLECTION = 57520
-const MULTIPOINT = 57521
-const MULTILINESTRING = 57522
-const MULTIPOLYGON = 57523
-const NULLX = 57524
-const AUTO_INCREMENT = 57525
-const APPROXNUM = 57526
-const SIGNED = 57527
-const UNSIGNED = 57528
-const ZEROFILL = 57529
-const DATABASES = 57530
-const TABLES = 57531
-const VITESS_KEYSPACES = 57532
-const VITESS_SHARDS = 57533
-const VITESS_TABLETS = 57534
-const VSCHEMA_TABLES = 57535
-const EXTENDED = 57536
-const FULL = 57537
-const PROCESSLIST = 57538
-const NAMES = 57539
-const CHARSET = 57540
-const GLOBAL = 57541
-const SESSION = 57542
-const ISOLATION = 57543
-const LEVEL = 57544
-const READ = 57545
-const WRITE = 57546
-const ONLY = 57547
-const REPEATABLE = 57548
-const COMMITTED = 57549
-const UNCOMMITTED = 57550
-const SERIALIZABLE = 57551
-const CURRENT_TIMESTAMP = 57552
-const DATABASE = 57553
-const CURRENT_DATE = 57554
-const CURRENT_TIME = 57555
-const LOCALTIME = 57556
-const LOCALTIMESTAMP = 57557
-const UTC_DATE = 57558
-const UTC_TIME = 57559
-const UTC_TIMESTAMP = 57560
-const REPLACE = 57561
-const CONVERT = 57562
-const CAST = 57563
-const SUBSTR = 57564
-const SUBSTRING = 57565
-const GROUP_CONCAT = 57566
-const SEPARATOR = 57567
-const MATCH = 57568
-const AGAINST = 57569
-const BOOLEAN = 57570
-const LANGUAGE = 57571
-const WITH = 57572
-const QUERY = 57573
-const EXPANSION = 57574
-const UNUSED = 57575
+const CONTAINS = 57427
+const SHIFT_LEFT = 57428
+const SHIFT_RIGHT = 57429
+const DIV = 57430
+const MOD = 57431
+const UNARY = 57432
+const COLLATE = 57433
+const BINARY = 57434
+const UNDERSCORE_BINARY = 57435
+const INTERVAL = 57436
+const JSON_EXTRACT_OP = 57437
+const JSON_UNQUOTE_EXTRACT_OP = 57438
+const CREATE = 57439
+const ALTER = 57440
+const DROP = 57441
+const RENAME = 57442
+const ANALYZE = 57443
+const ADD = 57444
+const SCHEMA = 57445
+const TABLE = 57446
+const INDEX = 57447
+const VIEW = 57448
+const TO = 57449
+const IGNORE = 57450
+const IF = 57451
+const UNIQUE = 57452
+const PRIMARY = 57453
+const COLUMN = 57454
+const CONSTRAINT = 57455
+const SPATIAL = 57456
+const FULLTEXT = 57457
+const FOREIGN = 57458
+const KEY_BLOCK_SIZE = 57459
+const SHOW = 57460
+const DESCRIBE = 57461
+const EXPLAIN = 57462
+const DATE = 57463
+const ESCAPE = 57464
+const REPAIR = 57465
+const OPTIMIZE = 57466
+const TRUNCATE = 57467
+const MAXVALUE = 57468
+const PARTITION = 57469
+const REORGANIZE = 57470
+const LESS = 57471
+const THAN = 57472
+const PROCEDURE = 57473
+const TRIGGER = 57474
+const VINDEX = 57475
+const VINDEXES = 57476
+const STATUS = 57477
+const VARIABLES = 57478
+const BEGIN = 57479
+const START = 57480
+const TRANSACTION = 57481
+const COMMIT = 57482
+const ROLLBACK = 57483
+const BIT = 57484
+const TINYINT = 57485
+const SMALLINT = 57486
+const MEDIUMINT = 57487
+const INT = 57488
+const INTEGER = 57489
+const BIGINT = 57490
+const INTNUM = 57491
+const REAL = 57492
+const DOUBLE = 57493
+const FLOAT_TYPE = 57494
+const DECIMAL = 57495
+const NUMERIC = 57496
+const TIME = 57497
+const TIMESTAMP = 57498
+const DATETIME = 57499
+const YEAR = 57500
+const CHAR = 57501
+const VARCHAR = 57502
+const BOOL = 57503
+const CHARACTER = 57504
+const VARBINARY = 57505
+const NCHAR = 57506
+const TEXT = 57507
+const TINYTEXT = 57508
+const MEDIUMTEXT = 57509
+const LONGTEXT = 57510
+const BLOB = 57511
+const TINYBLOB = 57512
+const MEDIUMBLOB = 57513
+const LONGBLOB = 57514
+const JSON = 57515
+const ENUM = 57516
+const GEOMETRY = 57517
+const POINT = 57518
+const LINESTRING = 57519
+const POLYGON = 57520
+const GEOMETRYCOLLECTION = 57521
+const MULTIPOINT = 57522
+const MULTILINESTRING = 57523
+const MULTIPOLYGON = 57524
+const NULLX = 57525
+const AUTO_INCREMENT = 57526
+const APPROXNUM = 57527
+const SIGNED = 57528
+const UNSIGNED = 57529
+const ZEROFILL = 57530
+const DATABASES = 57531
+const TABLES = 57532
+const VITESS_KEYSPACES = 57533
+const VITESS_SHARDS = 57534
+const VITESS_TABLETS = 57535
+const VSCHEMA_TABLES = 57536
+const EXTENDED = 57537
+const FULL = 57538
+const PROCESSLIST = 57539
+const NAMES = 57540
+const CHARSET = 57541
+const GLOBAL = 57542
+const SESSION = 57543
+const ISOLATION = 57544
+const LEVEL = 57545
+const READ = 57546
+const WRITE = 57547
+const ONLY = 57548
+const REPEATABLE = 57549
+const COMMITTED = 57550
+const UNCOMMITTED = 57551
+const SERIALIZABLE = 57552
+const CURRENT_TIMESTAMP = 57553
+const DATABASE = 57554
+const CURRENT_DATE = 57555
+const CURRENT_TIME = 57556
+const LOCALTIME = 57557
+const LOCALTIMESTAMP = 57558
+const UTC_DATE = 57559
+const UTC_TIME = 57560
+const UTC_TIMESTAMP = 57561
+const REPLACE = 57562
+const CONVERT = 57563
+const CAST = 57564
+const SUBSTR = 57565
+const SUBSTRING = 57566
+const GROUP_CONCAT = 57567
+const SEPARATOR = 57568
+const MATCH = 57569
+const AGAINST = 57570
+const BOOLEAN = 57571
+const LANGUAGE = 57572
+const WITH = 57573
+const QUERY = 57574
+const EXPANSION = 57575
+const UNUSED = 57576
 
 var yyToknames = [...]string{
 	"$end",
@@ -425,6 +426,7 @@ var yyToknames = [...]string{
 	"REGEXP",
 	"IN",
 	"STARTS_WITH",
+	"CONTAINS",
 	"'|'",
 	"'&'",
 	"SHIFT_LEFT",
@@ -602,413 +604,355 @@ var yyExca = [...]int16{
 	5, 27,
 	-2, 4,
 	-1, 36,
-	151, 263,
 	152, 263,
+	153, 263,
 	-2, 253,
 	-1, 238,
-	110, 589,
-	-2, 585,
+	111, 591,
+	-2, 587,
 	-1, 239,
-	110, 590,
-	-2, 586,
+	111, 592,
+	-2, 588,
 	-1, 308,
-	80, 749,
+	80, 752,
 	-2, 58,
 	-1, 309,
-	80, 710,
+	80, 713,
 	-2, 59,
 	-1, 314,
-	80, 694,
-	-2, 551,
-	-1, 316,
-	80, 731,
+	80, 697,
 	-2, 553,
-	-1, 577,
+	-1, 316,
+	80, 734,
+	-2, 555,
+	-1, 579,
 	52, 41,
 	54, 41,
 	-2, 43,
-	-1, 710,
-	110, 592,
-	-2, 588,
-	-1, 917,
+	-1, 712,
+	111, 594,
+	-2, 590,
+	-1, 922,
 	5, 28,
-	-2, 397,
-	-1, 942,
+	-2, 399,
+	-1, 947,
 	5, 27,
-	-2, 526,
-	-1, 1166,
+	-2, 528,
+	-1, 1171,
 	5, 28,
-	-2, 527,
-	-1, 1210,
-	5, 27,
 	-2, 529,
-	-1, 1272,
+	-1, 1215,
+	5, 27,
+	-2, 531,
+	-1, 1277,
 	5, 28,
-	-2, 530,
+	-2, 532,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 11072
+const yyLast = 11018
 
 var yyAct = [...]int16{
-	269, 47, 1263, 858, 524, 1221, 648, 1074, 1102, 792,
-	1003, 1075, 1172, 217, 774, 1071, 814, 571, 852, 813,
-	268, 775, 945, 1048, 211, 523, 3, 313, 737, 909,
-	744, 961, 747, 1006, 569, 838, 824, 994, 587, 763,
-	456, 950, 586, 712, 771, 462, 810, 476, 47, 307,
-	848, 411, 558, 890, 573, 241, 222, 226, 53, 468,
-	52, 304, 299, 302, 1292, 294, 1282, 1290, 212, 213,
-	214, 215, 1270, 216, 1288, 859, 1281, 1066, 832, 243,
-	875, 1160, 415, 436, 245, 1230, 1096, 969, 1097, 1098,
-	968, 443, 230, 970, 874, 805, 293, 1269, 451, 295,
-	232, 985, 1245, 538, 490, 489, 499, 500, 492, 493,
-	494, 495, 496, 497, 498, 491, 57, 831, 501, 806,
-	807, 879, 1184, 1199, 1108, 1109, 1110, 588, 839, 589,
-	873, 424, 1113, 1111, 1149, 181, 177, 178, 179, 1147,
-	210, 59, 60, 61, 62, 63, 298, 438, 1289, 440,
-	677, 447, 448, 1287, 1049, 310, 1264, 678, 1027, 1222,
-	772, 425, 1228, 418, 826, 175, 174, 239, 175, 656,
-	647, 826, 1224, 960, 437, 439, 793, 795, 959, 870,
-	867, 868, 958, 866, 1051, 413, 513, 514, 421, 189,
-	176, 1250, 412, 1169, 442, 442, 442, 442, 76, 442,
-	1035, 925, 186, 902, 454, 186, 442, 1024, 877, 880,
-	684, 826, 480, 1026, 431, 811, 1053, 501, 1057, 885,
-	1052, 491, 1050, 47, 501, 474, 473, 1055, 195, 186,
-	186, 76, 1070, 475, 681, 186, 1054, 76, 510, 979,
-	1223, 512, 475, 872, 180, 839, 1117, 1255, 465, 1056,
-	1058, 794, 205, 1127, 948, 435, 590, 825, 1068, 1246,
-	1229, 1227, 823, 821, 825, 871, 822, 764, 522, 1031,
-	526, 527, 528, 529, 530, 531, 532, 533, 534, 464,
-	537, 539, 539, 539, 539, 539, 539, 539, 539, 547,
-	548, 549, 550, 1112, 1268, 983, 651, 1118, 886, 764,
-	570, 932, 876, 190, 825, 828, 1025, 720, 1023, 192,
-	829, 427, 428, 429, 1258, 878, 198, 194, 470, 459,
-	463, 717, 718, 716, 719, 511, 499, 500, 492, 493,
-	494, 495, 496, 497, 498, 491, 481, 417, 501, 1275,
-	466, 173, 186, 196, 186, 1030, 200, 899, 900, 901,
-	186, 494, 495, 496, 497, 498, 491, 186, 921, 501,
-	920, 76, 76, 76, 76, 578, 76, 584, 922, 1274,
-	525, 1253, 1190, 76, 191, 1189, 474, 473, 998, 536,
-	687, 688, 474, 473, 298, 540, 541, 542, 543, 544,
-	545, 546, 473, 475, 1014, 997, 738, 310, 739, 475,
-	76, 193, 292, 201, 202, 203, 204, 208, 475, 419,
-	420, 683, 207, 206, 1105, 442, 474, 473, 1014, 702,
-	704, 705, 1012, 442, 703, 1256, 474, 473, 986, 1206,
-	236, 1187, 50, 475, 442, 442, 442, 442, 442, 442,
-	442, 442, 715, 475, 1135, 995, 1012, 682, 442, 442,
-	1104, 492, 493, 494, 495, 496, 497, 498, 491, 665,
-	186, 501, 980, 474, 473, 1278, 455, 186, 186, 186,
-	1214, 1261, 455, 76, 1214, 455, 1214, 1215, 689, 76,
-	475, 1181, 1180, 1093, 455, 663, 971, 1013, 1168, 455,
-	1124, 1123, 1018, 1015, 1008, 1009, 1016, 1011, 1010, 1120,
-	1121, 1120, 1119, 946, 713, 915, 455, 21, 710, 1017,
-	861, 1013, 740, 47, 662, 1020, 1018, 1015, 1008, 1009,
-	1016, 1011, 1010, 661, 691, 706, 652, 526, 555, 455,
-	749, 455, 1234, 1017, 708, 650, 645, 23, 433, 1007,
-	490, 489, 499, 500, 492, 493, 494, 495, 496, 497,
-	498, 491, 751, 426, 501, 412, 299, 299, 299, 299,
-	299, 940, 267, 221, 941, 597, 596, 1233, 714, 741,
-	742, 570, 709, 796, 699, 700, 1114, 749, 1072, 768,
-	299, 946, 76, 947, 50, 799, 910, 580, 186, 186,
-	76, 23, 186, 74, 761, 186, 751, 54, 1164, 186,
-	555, 76, 76, 76, 76, 76, 76, 76, 76, 581,
-	1126, 756, 759, 554, 800, 76, 76, 765, 1209, 789,
-	186, 777, 798, 1038, 780, 555, 312, 525, 803, 797,
-	754, 755, 416, 802, 776, 76, 915, 555, 50, 186,
-	298, 298, 298, 298, 298, 76, 840, 841, 842, 818,
-	582, 442, 580, 442, 1122, 298, 778, 779, 972, 781,
-	804, 442, 927, 854, 298, 947, 915, 23, 924, 915,
-	690, 583, 685, 50, 1194, 310, 833, 515, 516, 517,
-	518, 519, 520, 521, 834, 835, 836, 837, 815, 76,
-	649, 809, 850, 851, 258, 257, 260, 261, 262, 263,
-	845, 846, 847, 259, 264, 926, 223, 946, 853, 1087,
-	903, 923, 710, 975, 50, 560, 563, 564, 565, 561,
-	186, 562, 566, 186, 186, 186, 186, 186, 748, 750,
-	892, 891, 951, 952, 856, 186, 849, 713, 186, 844,
-	843, 65, 186, 1107, 766, 1072, 999, 186, 186, 954,
-	659, 76, 452, 50, 697, 957, 312, 312, 312, 312,
-	904, 312, 786, 956, 76, 1156, 455, 787, 312, 783,
-	784, 782, 943, 944, 791, 785, 709, 788, 1286, 564,
-	565, 227, 228, 888, 889, 1280, 463, 1034, 887, 1285,
-	897, 896, 990, 595, 434, 478, 982, 942, 1260, 1259,
-	299, 714, 931, 490, 489, 499, 500, 492, 493, 494,
-	495, 496, 497, 498, 491, 186, 1207, 501, 76, 469,
-	76, 963, 955, 965, 186, 976, 1162, 186, 76, 1195,
-	973, 863, 457, 467, 964, 560, 563, 564, 565, 561,
-	658, 562, 566, 966, 458, 951, 952, 568, 469, 746,
-	916, 224, 225, 895, 218, 1239, 219, 1238, 442, 977,
-	978, 894, 54, 1197, 947, 933, 471, 1247, 312, 1185,
-	987, 988, 680, 56, 592, 58, 579, 51, 1, 860,
-	1002, 441, 996, 442, 298, 989, 869, 991, 992, 993,
-	1005, 1262, 1220, 1101, 820, 812, 410, 64, 1254, 819,
-	1226, 1019, 1183, 827, 984, 815, 830, 1106, 1257, 981,
-	602, 600, 601, 711, 599, 604, 721, 722, 723, 724,
-	725, 726, 727, 728, 729, 730, 731, 732, 733, 734,
-	735, 736, 603, 598, 1041, 1042, 197, 305, 567, 591,
-	855, 472, 1077, 66, 47, 912, 1060, 1022, 1047, 913,
-	1059, 1004, 1021, 710, 865, 1073, 917, 918, 919, 1089,
-	1090, 1091, 1076, 1029, 76, 928, 676, 186, 1083, 1078,
-	934, 884, 935, 936, 937, 938, 1081, 312, 450, 199,
-	509, 76, 893, 967, 311, 312, 1079, 1095, 1067, 686,
-	461, 1100, 1099, 1237, 1040, 1196, 312, 312, 312, 312,
-	312, 312, 312, 312, 1082, 930, 535, 762, 244, 701,
-	312, 312, 256, 253, 255, 254, 692, 1063, 939, 482,
-	776, 242, 1094, 234, 76, 76, 776, 76, 297, 551,
-	693, 1128, 559, 1069, 1115, 1116, 557, 556, 953, 299,
-	478, 949, 296, 312, 1130, 1037, 1159, 1133, 1084, 1085,
-	76, 1244, 1086, 186, 186, 1088, 696, 25, 55, 229,
-	1137, 186, 19, 18, 815, 17, 815, 1158, 20, 16,
-	76, 15, 1145, 1138, 14, 29, 444, 445, 446, 13,
-	449, 12, 11, 10, 743, 9, 8, 453, 7, 1163,
-	6, 5, 4, 220, 757, 757, 1171, 22, 2, 0,
-	757, 0, 1174, 1175, 1176, 0, 0, 0, 1179, 0,
-	1177, 76, 76, 0, 0, 0, 973, 757, 0, 1046,
-	0, 0, 0, 298, 0, 0, 442, 1040, 1142, 1143,
-	0, 1144, 1136, 0, 1146, 0, 1148, 1192, 0, 0,
-	76, 0, 76, 76, 1193, 0, 312, 0, 905, 906,
-	907, 908, 0, 0, 0, 1186, 0, 1188, 0, 312,
-	0, 0, 0, 0, 0, 1077, 1092, 186, 1211, 0,
-	0, 1161, 0, 0, 0, 76, 1208, 0, 525, 1198,
-	0, 0, 1182, 0, 0, 1076, 0, 1219, 76, 186,
-	1225, 815, 0, 1210, 0, 76, 1236, 0, 0, 0,
-	0, 0, 0, 76, 0, 0, 186, 1235, 0, 0,
-	1077, 0, 47, 312, 0, 312, 0, 1248, 1004, 815,
-	0, 0, 0, 312, 0, 0, 1252, 0, 0, 0,
-	1076, 0, 0, 1231, 0, 1232, 0, 1249, 0, 0,
-	0, 0, 0, 0, 1266, 0, 1139, 312, 0, 0,
-	0, 0, 0, 1141, 0, 76, 0, 76, 76, 76,
-	186, 76, 1271, 0, 1150, 1151, 1152, 76, 1276, 1155,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	1283, 1284, 1165, 1166, 1167, 0, 1170, 0, 0, 0,
-	1291, 0, 0, 76, 76, 76, 646, 0, 0, 0,
-	0, 0, 0, 0, 655, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 666, 667, 668, 669, 670,
-	671, 672, 673, 0, 0, 0, 0, 776, 0, 674,
-	675, 0, 0, 460, 0, 0, 76, 76, 0, 1265,
-	525, 1044, 1045, 0, 0, 0, 0, 0, 0, 76,
-	0, 0, 0, 300, 1061, 1062, 0, 1064, 1065, 962,
-	0, 0, 76, 0, 1205, 0, 0, 0, 184, 0,
-	0, 209, 0, 0, 0, 0, 312, 752, 753, 1216,
-	1217, 1218, 76, 760, 0, 0, 0, 0, 183, 0,
-	0, 0, 0, 233, 0, 184, 184, 767, 0, 769,
-	770, 184, 0, 0, 0, 1240, 1241, 1242, 1243, 0,
-	0, 0, 0, 0, 0, 0, 303, 0, 76, 1000,
-	312, 414, 312, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 76, 0, 0, 0, 0, 1153, 455, 0,
-	0, 0, 0, 0, 0, 312, 0, 0, 0, 1267,
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+	184, 0, 0, 30, 31, 33, 32, 35, 0, 184,
+	0, 0, 184, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 36, 43, 44, 0, 0, 45,
+	46, 34, 0, 0, 0, 0, 0, 666, 1074, 0,
+	0, 0, 0, 38, 39, 0, 40, 41, 0, 233,
+	0, 0, 0, 1089, 1090, 0, 485, 1091, 489, 0,
+	1093, 0, 0, 0, 504, 505, 506, 507, 508, 509,
+	510, 0, 486, 487, 484, 488, 490, 492, 491, 501,
+	502, 494, 495, 496, 497, 498, 499, 500, 493, 0,
+	0, 503, 0, 0, 0, 0, 0, 0, 0, 0,
+	233, 492, 491, 501, 502, 494, 495, 496, 497, 498,
+	499, 500, 493, 0, 0, 503, 233, 1048, 0, 0,
+	0, 0, 0, 0, 0, 0, 49, 0, 0, 0,
+	0, 0, 0, 916, 0, 0, 0, 1141, 0, 492,
+	491, 501, 502, 494, 495, 496, 497, 498, 499, 500,
+	493, 0, 0, 503, 184, 492, 491, 501, 502, 494,
+	495, 496, 497, 498, 499, 500, 493, 0, 0, 503,
+	0, 0, 0, 0, 0, 0, 1166, 0, 0, 0,
+	0, 0, 0, 527, 0, 1196, 0, 1041, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	1037, 1038, 0, 0, 0, 0, 0, 0, 184, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 233, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 233, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 666, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 1130, 0, 762, 0, 0, 0,
+	0, 0, 762, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 1137, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 1270, 527, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 184, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 184, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 184, 0, 400, 388, 0, 360,
+	402, 338, 352, 410, 353, 354, 381, 324, 368, 125,
+	350, 0, 341, 319, 347, 320, 339, 362, 93, 365,
+	337, 390, 371, 107, 408, 109, 376, 0, 142, 118,
+	0, 0, 364, 393, 366, 386, 359, 382, 329, 375,
+	403, 351, 379, 404, 0, 0, 0, 75, 577, 820,
+	821, 0, 0, 0, 0, 0, 86, 0, 378, 399,
+	349, 380, 318, 377, 0, 322, 325, 409, 397, 344,
+	345, 979, 0, 0, 0, 0, 0, 0, 363, 367,
+	383, 357, 392, 394, 0, 0, 0, 0, 0, 0,
 	0, 0, 342, 0, 374, 0, 0, 0, 326, 323,
 	0, 361, 0, 0, 0, 328, 0, 343, 384, 0,
-	317, 387, 394, 358, 187, 397, 356, 355, 400, 131,
-	0, 758, 145, 98, 97, 106, 391, 340, 348, 89,
+	317, 387, 395, 358, 187, 398, 356, 355, 401, 131,
+	0, 0, 145, 98, 97, 106, 391, 340, 348, 89,
 	346, 137, 127, 157, 373, 128, 136, 110, 149, 132,
 	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
 	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
 	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
 	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
 	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
-	121, 0, 321, 0, 143, 159, 172, 336, 395, 165,
-	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
+	121, 0, 321, 0, 143, 159, 172, 336, 396, 165,
+	166, 167, 168, 762, 0, 0, 122, 85, 101, 140,
 	104, 111, 134, 170, 126, 138, 88, 158, 141, 332,
-	335, 330, 331, 369, 370, 404, 405, 406, 385, 327,
+	335, 330, 331, 369, 370, 405, 406, 407, 385, 327,
 	0, 333, 334, 0, 389, 372, 77, 0, 108, 169,
-	133, 95, 160, 399, 388, 0, 360, 401, 338, 352,
-	409, 353, 354, 381, 324, 368, 125, 350, 0, 341,
+	133, 95, 160, 400, 388, 0, 360, 402, 338, 352,
+	410, 353, 354, 381, 324, 368, 125, 350, 0, 341,
 	319, 347, 320, 339, 362, 93, 365, 337, 390, 371,
-	107, 407, 109, 376, 0, 142, 118, 0, 0, 364,
-	393, 366, 386, 359, 382, 329, 375, 402, 351, 379,
-	403, 0, 0, 0, 75, 0, 816, 817, 0, 0,
-	0, 0, 0, 86, 0, 378, 398, 349, 380, 318,
-	377, 0, 322, 325, 408, 396, 344, 345, 0, 0,
+	107, 408, 109, 376, 0, 142, 118, 0, 0, 364,
+	393, 366, 386, 359, 382, 329, 375, 403, 351, 379,
+	404, 0, 0, 0, 75, 0, 820, 821, 0, 0,
+	0, 0, 0, 86, 0, 378, 399, 349, 380, 318,
+	377, 0, 322, 325, 409, 397, 344, 345, 0, 0,
 	0, 0, 0, 0, 0, 363, 367, 383, 357, 392,
-	0, 0, 0, 0, 0, 0, 0, 0, 342, 0,
-	374, 0, 0, 0, 326, 323, 0, 361, 0, 0,
-	0, 328, 0, 343, 384, 0, 317, 387, 394, 358,
-	187, 397, 356, 355, 400, 131, 0, 0, 145, 98,
-	97, 106, 391, 340, 348, 89, 346, 137, 127, 157,
-	373, 128, 136, 110, 149, 132, 156, 188, 164, 147,
-	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
-	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
-	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
-	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
-	129, 112, 130, 100, 120, 119, 121, 0, 321, 0,
-	143, 159, 172, 336, 395, 165, 166, 167, 168, 0,
-	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
-	126, 138, 88, 158, 141, 332, 335, 330, 331, 369,
-	370, 404, 405, 406, 385, 327, 0, 333, 334, 0,
-	389, 372, 77, 0, 108, 169, 133, 95, 160, 399,
-	388, 0, 360, 401, 338, 352, 409, 353, 354, 381,
-	324, 368, 125, 350, 0, 341, 319, 347, 320, 339,
-	362, 93, 365, 337, 390, 371, 107, 407, 109, 376,
-	0, 142, 118, 0, 0, 364, 393, 366, 386, 359,
-	382, 329, 375, 402, 351, 379, 403, 50, 0, 0,
-	75, 0, 0, 0, 0, 0, 0, 0, 0, 86,
-	0, 378, 398, 349, 380, 318, 377, 0, 322, 325,
-	408, 396, 344, 345, 0, 0, 0, 0, 0, 0,
-	0, 363, 367, 383, 357, 392, 0, 0, 0, 0,
-	0, 0, 0, 0, 342, 0, 374, 0, 0, 0,
-	326, 323, 0, 361, 0, 0, 0, 328, 0, 343,
-	384, 0, 317, 387, 394, 358, 187, 397, 356, 355,
-	400, 131, 0, 0, 145, 98, 97, 106, 391, 340,
-	348, 89, 346, 137, 127, 157, 373, 128, 136, 110,
-	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
-	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
-	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
-	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
-	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
-	120, 119, 121, 0, 321, 0, 143, 159, 172, 336,
-	395, 165, 166, 167, 168, 0, 0, 0, 122, 85,
-	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
-	141, 332, 335, 330, 331, 369, 370, 404, 405, 406,
-	385, 327, 0, 333, 334, 0, 389, 372, 77, 0,
-	108, 169, 133, 95, 160, 399, 388, 0, 360, 401,
-	338, 352, 409, 353, 354, 381, 324, 368, 125, 350,
-	0, 341, 319, 347, 320, 339, 362, 93, 365, 337,
-	390, 371, 107, 407, 109, 376, 0, 142, 118, 0,
-	0, 364, 393, 366, 386, 359, 382, 329, 375, 402,
-	351, 379, 403, 0, 0, 0, 75, 0, 0, 0,
-	0, 0, 0, 0, 0, 86, 0, 378, 398, 349,
-	380, 318, 377, 0, 322, 325, 408, 396, 344, 345,
-	0, 0, 0, 0, 0, 0, 0, 363, 367, 383,
-	357, 392, 0, 0, 0, 0, 0, 0, 1039, 0,
-	342, 0, 374, 0, 0, 0, 326, 323, 0, 361,
-	0, 0, 0, 328, 0, 343, 384, 0, 317, 387,
-	394, 358, 187, 397, 356, 355, 400, 131, 0, 0,
-	145, 98, 97, 106, 391, 340, 348, 89, 346, 137,
-	127, 157, 373, 128, 136, 110, 149, 132, 156, 188,
-	164, 147, 163, 78, 146, 155, 87, 139, 80, 153,
-	144, 116, 102, 103, 79, 0, 135, 92, 96, 91,
-	124, 150, 151, 90, 171, 83, 162, 82, 84, 161,
-	123, 148, 154, 117, 114, 81, 152, 115, 113, 105,
-	94, 99, 129, 112, 130, 100, 120, 119, 121, 0,
-	321, 0, 143, 159, 172, 336, 395, 165, 166, 167,
-	168, 0, 0, 0, 122, 85, 101, 140, 104, 111,
-	134, 170, 126, 138, 88, 158, 141, 332, 335, 330,
-	331, 369, 370, 404, 405, 406, 385, 327, 0, 333,
-	334, 0, 389, 372, 77, 0, 108, 169, 133, 95,
-	160, 399, 388, 0, 360, 401, 338, 352, 409, 353,
-	354, 381, 324, 368, 125, 350, 0, 341, 319, 347,
-	320, 339, 362, 93, 365, 337, 390, 371, 107, 407,
-	109, 376, 0, 142, 118, 0, 0, 364, 393, 366,
-	386, 359, 382, 329, 375, 402, 351, 379, 403, 0,
-	0, 0, 238, 0, 0, 0, 0, 0, 0, 0,
-	0, 86, 0, 378, 398, 349, 380, 318, 377, 0,
-	322, 325, 408, 396, 344, 345, 0, 0, 0, 0,
-	0, 0, 0, 363, 367, 383, 357, 392, 0, 0,
-	0, 0, 0, 0, 707, 0, 342, 0, 374, 0,
+	394, 0, 0, 0, 0, 0, 0, 0, 0, 342,
+	0, 374, 0, 0, 0, 326, 323, 0, 361, 0,
+	0, 0, 328, 0, 343, 384, 0, 317, 387, 395,
+	358, 187, 398, 356, 355, 401, 131, 0, 0, 145,
+	98, 97, 106, 391, 340, 348, 89, 346, 137, 127,
+	157, 373, 128, 136, 110, 149, 132, 156, 188, 164,
+	147, 163, 78, 146, 155, 87, 139, 80, 153, 144,
+	116, 102, 103, 79, 0, 135, 92, 96, 91, 124,
+	150, 151, 90, 171, 83, 162, 82, 84, 161, 123,
+	148, 154, 117, 114, 81, 152, 115, 113, 105, 94,
+	99, 129, 112, 130, 100, 120, 119, 121, 0, 321,
+	0, 143, 159, 172, 336, 396, 165, 166, 167, 168,
+	0, 0, 0, 122, 85, 101, 140, 104, 111, 134,
+	170, 126, 138, 88, 158, 141, 332, 335, 330, 331,
+	369, 370, 405, 406, 407, 385, 327, 0, 333, 334,
+	0, 389, 372, 77, 0, 108, 169, 133, 95, 160,
+	400, 388, 0, 360, 402, 338, 352, 410, 353, 354,
+	381, 324, 368, 125, 350, 0, 341, 319, 347, 320,
+	339, 362, 93, 365, 337, 390, 371, 107, 408, 109,
+	376, 0, 142, 118, 0, 0, 364, 393, 366, 386,
+	359, 382, 329, 375, 403, 351, 379, 404, 50, 0,
+	0, 75, 0, 0, 0, 0, 0, 0, 0, 0,
+	86, 0, 378, 399, 349, 380, 318, 377, 0, 322,
+	325, 409, 397, 344, 345, 0, 0, 0, 0, 0,
+	0, 0, 363, 367, 383, 357, 392, 394, 0, 0,
+	0, 0, 0, 0, 0, 0, 342, 0, 374, 0,
 	0, 0, 326, 323, 0, 361, 0, 0, 0, 328,
-	0, 343, 384, 0, 317, 387, 394, 358, 187, 397,
-	356, 355, 400, 131, 0, 0, 145, 98, 97, 106,
+	0, 343, 384, 0, 317, 387, 395, 358, 187, 398,
+	356, 355, 401, 131, 0, 0, 145, 98, 97, 106,
 	391, 340, 348, 89, 346, 137, 127, 157, 373, 128,
 	136, 110, 149, 132, 156, 188, 164, 147, 163, 78,
 	146, 155, 87, 139, 80, 153, 144, 116, 102, 103,
@@ -1016,97 +960,48 @@ var yyAct = [...]int16{
 	171, 83, 162, 82, 84, 161, 123, 148, 154, 117,
 	114, 81, 152, 115, 113, 105, 94, 99, 129, 112,
 	130, 100, 120, 119, 121, 0, 321, 0, 143, 159,
-	172, 336, 395, 165, 166, 167, 168, 0, 0, 0,
+	172, 336, 396, 165, 166, 167, 168, 0, 0, 0,
 	122, 85, 101, 140, 104, 111, 134, 170, 126, 138,
-	88, 158, 141, 332, 335, 330, 331, 369, 370, 404,
-	405, 406, 385, 327, 0, 333, 334, 0, 389, 372,
-	77, 0, 108, 169, 133, 95, 160, 399, 388, 0,
-	360, 401, 338, 352, 409, 353, 354, 381, 324, 368,
+	88, 158, 141, 332, 335, 330, 331, 369, 370, 405,
+	406, 407, 385, 327, 0, 333, 334, 0, 389, 372,
+	77, 0, 108, 169, 133, 95, 160, 400, 388, 0,
+	360, 402, 338, 352, 410, 353, 354, 381, 324, 368,
 	125, 350, 0, 341, 319, 347, 320, 339, 362, 93,
-	365, 337, 390, 371, 107, 407, 109, 376, 0, 142,
+	365, 337, 390, 371, 107, 408, 109, 376, 0, 142,
 	118, 0, 0, 364, 393, 366, 386, 359, 382, 329,
-	375, 402, 351, 379, 403, 0, 0, 0, 75, 0,
+	375, 403, 351, 379, 404, 0, 0, 0, 75, 0,
 	0, 0, 0, 0, 0, 0, 0, 86, 0, 378,
-	398, 349, 380, 318, 377, 0, 322, 325, 408, 396,
+	399, 349, 380, 318, 377, 0, 322, 325, 409, 397,
 	344, 345, 0, 0, 0, 0, 0, 0, 0, 363,
-	367, 383, 357, 392, 0, 0, 0, 0, 0, 0,
-	0, 0, 342, 0, 374, 0, 0, 0, 326, 323,
-	0, 361, 0, 0, 0, 328, 0, 343, 384, 0,
-	317, 387, 394, 358, 187, 397, 356, 355, 400, 131,
-	0, 0, 145, 98, 97, 106, 391, 340, 348, 89,
-	346, 137, 127, 157, 373, 128, 136, 110, 149, 132,
-	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
-	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
-	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
-	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
-	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
-	121, 0, 321, 0, 143, 159, 172, 336, 395, 165,
-	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
-	104, 111, 134, 170, 126, 138, 88, 158, 141, 332,
-	335, 330, 331, 369, 370, 404, 405, 406, 385, 327,
-	0, 333, 334, 0, 389, 372, 77, 0, 108, 169,
-	133, 95, 160, 399, 388, 0, 360, 401, 338, 352,
-	409, 353, 354, 381, 324, 368, 125, 350, 0, 341,
-	319, 347, 320, 339, 362, 93, 365, 337, 390, 371,
-	107, 407, 109, 376, 0, 142, 118, 0, 0, 364,
-	393, 366, 386, 359, 382, 329, 375, 402, 351, 379,
-	403, 0, 0, 0, 238, 0, 0, 0, 0, 0,
-	0, 0, 0, 86, 0, 378, 398, 349, 380, 318,
-	377, 0, 322, 325, 408, 396, 344, 345, 0, 0,
-	0, 0, 0, 0, 0, 363, 367, 383, 357, 392,
-	0, 0, 0, 0, 0, 0, 0, 0, 342, 0,
-	374, 0, 0, 0, 326, 323, 0, 361, 0, 0,
-	0, 328, 0, 343, 384, 0, 317, 387, 394, 358,
-	187, 397, 356, 355, 400, 131, 0, 0, 145, 98,
-	97, 106, 391, 340, 348, 89, 346, 137, 127, 157,
-	373, 128, 136, 110, 149, 132, 156, 188, 164, 147,
-	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
-	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
-	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
-	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
-	129, 112, 130, 100, 120, 119, 121, 0, 321, 0,
-	143, 159, 172, 336, 395, 165, 166, 167, 168, 0,
-	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
-	126, 138, 88, 158, 141, 332, 335, 330, 331, 369,
-	370, 404, 405, 406, 385, 327, 0, 333, 334, 0,
-	389, 372, 77, 0, 108, 169, 133, 95, 160, 399,
-	388, 0, 360, 401, 338, 352, 409, 353, 354, 381,
-	324, 368, 125, 350, 0, 341, 319, 347, 320, 339,
-	362, 93, 365, 337, 390, 371, 107, 407, 109, 376,
-	0, 142, 118, 0, 0, 364, 393, 366, 386, 359,
-	382, 329, 375, 402, 351, 379, 403, 0, 0, 0,
-	75, 0, 0, 0, 0, 0, 0, 0, 0, 86,
-	0, 378, 398, 349, 380, 318, 377, 0, 322, 325,
-	408, 396, 344, 345, 0, 0, 0, 0, 0, 0,
-	0, 363, 367, 383, 357, 392, 0, 0, 0, 0,
-	0, 0, 0, 0, 342, 0, 374, 0, 0, 0,
-	326, 323, 0, 361, 0, 0, 0, 328, 0, 343,
-	384, 0, 317, 387, 394, 358, 187, 397, 356, 355,
-	400, 131, 0, 0, 145, 98, 97, 106, 391, 340,
-	348, 89, 346, 137, 127, 157, 373, 128, 136, 110,
-	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
-	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
-	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
-	162, 82, 315, 161, 123, 148, 154, 117, 114, 81,
-	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
-	120, 119, 121, 0, 321, 0, 143, 159, 172, 336,
-	395, 165, 166, 167, 168, 0, 0, 0, 316, 314,
-	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
-	141, 332, 335, 330, 331, 369, 370, 404, 405, 406,
-	385, 327, 0, 333, 334, 0, 389, 372, 77, 0,
-	108, 169, 133, 95, 160, 399, 388, 0, 360, 401,
-	338, 352, 409, 353, 354, 381, 324, 368, 125, 350,
-	0, 341, 319, 347, 320, 339, 362, 93, 365, 337,
-	390, 371, 107, 407, 109, 376, 0, 142, 118, 0,
-	0, 364, 393, 366, 386, 359, 382, 329, 375, 402,
-	351, 379, 403, 0, 0, 0, 185, 0, 0, 0,
-	0, 0, 0, 0, 0, 86, 0, 378, 398, 349,
-	380, 318, 377, 0, 322, 325, 408, 396, 344, 345,
-	0, 0, 0, 0, 0, 0, 0, 363, 367, 383,
-	357, 392, 0, 0, 0, 0, 0, 0, 0, 0,
+	367, 383, 357, 392, 394, 0, 0, 0, 0, 0,
+	0, 1044, 0, 342, 0, 374, 0, 0, 0, 326,
+	323, 0, 361, 0, 0, 0, 328, 0, 343, 384,
+	0, 317, 387, 395, 358, 187, 398, 356, 355, 401,
+	131, 0, 0, 145, 98, 97, 106, 391, 340, 348,
+	89, 346, 137, 127, 157, 373, 128, 136, 110, 149,
+	132, 156, 188, 164, 147, 163, 78, 146, 155, 87,
+	139, 80, 153, 144, 116, 102, 103, 79, 0, 135,
+	92, 96, 91, 124, 150, 151, 90, 171, 83, 162,
+	82, 84, 161, 123, 148, 154, 117, 114, 81, 152,
+	115, 113, 105, 94, 99, 129, 112, 130, 100, 120,
+	119, 121, 0, 321, 0, 143, 159, 172, 336, 396,
+	165, 166, 167, 168, 0, 0, 0, 122, 85, 101,
+	140, 104, 111, 134, 170, 126, 138, 88, 158, 141,
+	332, 335, 330, 331, 369, 370, 405, 406, 407, 385,
+	327, 0, 333, 334, 0, 389, 372, 77, 0, 108,
+	169, 133, 95, 160, 400, 388, 0, 360, 402, 338,
+	352, 410, 353, 354, 381, 324, 368, 125, 350, 0,
+	341, 319, 347, 320, 339, 362, 93, 365, 337, 390,
+	371, 107, 408, 109, 376, 0, 142, 118, 0, 0,
+	364, 393, 366, 386, 359, 382, 329, 375, 403, 351,
+	379, 404, 0, 0, 0, 238, 0, 0, 0, 0,
+	0, 0, 0, 0, 86, 0, 378, 399, 349, 380,
+	318, 377, 0, 322, 325, 409, 397, 344, 345, 0,
+	0, 0, 0, 0, 0, 0, 363, 367, 383, 357,
+	392, 394, 0, 0, 0, 0, 0, 0, 709, 0,
 	342, 0, 374, 0, 0, 0, 326, 323, 0, 361,
 	0, 0, 0, 328, 0, 343, 384, 0, 317, 387,
-	394, 358, 187, 397, 356, 355, 400, 131, 0, 0,
+	395, 358, 187, 398, 356, 355, 401, 131, 0, 0,
 	145, 98, 97, 106, 391, 340, 348, 89, 346, 137,
 	127, 157, 373, 128, 136, 110, 149, 132, 156, 188,
 	164, 147, 163, 78, 146, 155, 87, 139, 80, 153,
@@ -1114,48 +1009,147 @@ var yyAct = [...]int16{
 	124, 150, 151, 90, 171, 83, 162, 82, 84, 161,
 	123, 148, 154, 117, 114, 81, 152, 115, 113, 105,
 	94, 99, 129, 112, 130, 100, 120, 119, 121, 0,
-	321, 0, 143, 159, 172, 336, 395, 165, 166, 167,
+	321, 0, 143, 159, 172, 336, 396, 165, 166, 167,
 	168, 0, 0, 0, 122, 85, 101, 140, 104, 111,
 	134, 170, 126, 138, 88, 158, 141, 332, 335, 330,
-	331, 369, 370, 404, 405, 406, 385, 327, 0, 333,
+	331, 369, 370, 405, 406, 407, 385, 327, 0, 333,
 	334, 0, 389, 372, 77, 0, 108, 169, 133, 95,
-	160, 399, 388, 0, 360, 401, 338, 352, 409, 353,
+	160, 400, 388, 0, 360, 402, 338, 352, 410, 353,
 	354, 381, 324, 368, 125, 350, 0, 341, 319, 347,
-	320, 339, 362, 93, 365, 337, 390, 371, 107, 407,
+	320, 339, 362, 93, 365, 337, 390, 371, 107, 408,
 	109, 376, 0, 142, 118, 0, 0, 364, 393, 366,
-	386, 359, 382, 329, 375, 402, 351, 379, 403, 0,
+	386, 359, 382, 329, 375, 403, 351, 379, 404, 0,
 	0, 0, 75, 0, 0, 0, 0, 0, 0, 0,
-	0, 86, 0, 378, 398, 349, 380, 318, 377, 0,
-	322, 325, 408, 396, 344, 345, 0, 0, 0, 0,
-	0, 0, 0, 363, 367, 383, 357, 392, 0, 0,
-	0, 0, 0, 0, 0, 0, 342, 0, 374, 0,
-	0, 0, 326, 323, 0, 361, 0, 0, 0, 328,
-	0, 343, 384, 0, 317, 387, 394, 358, 187, 397,
-	356, 355, 400, 131, 0, 0, 145, 98, 97, 106,
-	391, 340, 348, 89, 346, 137, 127, 157, 373, 128,
-	136, 110, 149, 132, 156, 188, 164, 147, 163, 78,
-	146, 585, 87, 139, 80, 153, 144, 116, 102, 103,
-	79, 0, 135, 92, 96, 91, 124, 150, 151, 90,
-	171, 83, 162, 82, 315, 161, 123, 148, 154, 117,
-	114, 81, 152, 115, 113, 105, 94, 99, 129, 112,
-	130, 100, 120, 119, 121, 0, 321, 0, 143, 159,
-	172, 336, 395, 165, 166, 167, 168, 0, 0, 0,
-	316, 314, 101, 140, 104, 111, 134, 170, 126, 138,
-	88, 158, 141, 332, 335, 330, 331, 369, 370, 404,
-	405, 406, 385, 327, 0, 333, 334, 0, 389, 372,
-	77, 0, 108, 169, 133, 95, 160, 399, 388, 0,
-	360, 401, 338, 352, 409, 353, 354, 381, 324, 368,
-	125, 350, 0, 341, 319, 347, 320, 339, 362, 93,
-	365, 337, 390, 371, 107, 407, 109, 376, 0, 142,
-	118, 0, 0, 364, 393, 366, 386, 359, 382, 329,
-	375, 402, 351, 379, 403, 0, 0, 0, 75, 0,
-	0, 0, 0, 0, 0, 0, 0, 86, 0, 378,
-	398, 349, 380, 318, 377, 0, 322, 325, 408, 396,
-	344, 345, 0, 0, 0, 0, 0, 0, 0, 363,
-	367, 383, 357, 392, 0, 0, 0, 0, 0, 0,
+	0, 86, 0, 378, 399, 349, 380, 318, 377, 0,
+	322, 325, 409, 397, 344, 345, 0, 0, 0, 0,
+	0, 0, 0, 363, 367, 383, 357, 392, 394, 0,
+	0, 0, 0, 0, 0, 0, 0, 342, 0, 374,
+	0, 0, 0, 326, 323, 0, 361, 0, 0, 0,
+	328, 0, 343, 384, 0, 317, 387, 395, 358, 187,
+	398, 356, 355, 401, 131, 0, 0, 145, 98, 97,
+	106, 391, 340, 348, 89, 346, 137, 127, 157, 373,
+	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
+	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
+	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
+	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
+	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
+	112, 130, 100, 120, 119, 121, 0, 321, 0, 143,
+	159, 172, 336, 396, 165, 166, 167, 168, 0, 0,
+	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
+	138, 88, 158, 141, 332, 335, 330, 331, 369, 370,
+	405, 406, 407, 385, 327, 0, 333, 334, 0, 389,
+	372, 77, 0, 108, 169, 133, 95, 160, 400, 388,
+	0, 360, 402, 338, 352, 410, 353, 354, 381, 324,
+	368, 125, 350, 0, 341, 319, 347, 320, 339, 362,
+	93, 365, 337, 390, 371, 107, 408, 109, 376, 0,
+	142, 118, 0, 0, 364, 393, 366, 386, 359, 382,
+	329, 375, 403, 351, 379, 404, 0, 0, 0, 238,
+	0, 0, 0, 0, 0, 0, 0, 0, 86, 0,
+	378, 399, 349, 380, 318, 377, 0, 322, 325, 409,
+	397, 344, 345, 0, 0, 0, 0, 0, 0, 0,
+	363, 367, 383, 357, 392, 394, 0, 0, 0, 0,
+	0, 0, 0, 0, 342, 0, 374, 0, 0, 0,
+	326, 323, 0, 361, 0, 0, 0, 328, 0, 343,
+	384, 0, 317, 387, 395, 358, 187, 398, 356, 355,
+	401, 131, 0, 0, 145, 98, 97, 106, 391, 340,
+	348, 89, 346, 137, 127, 157, 373, 128, 136, 110,
+	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
+	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
+	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
+	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
+	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
+	120, 119, 121, 0, 321, 0, 143, 159, 172, 336,
+	396, 165, 166, 167, 168, 0, 0, 0, 122, 85,
+	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
+	141, 332, 335, 330, 331, 369, 370, 405, 406, 407,
+	385, 327, 0, 333, 334, 0, 389, 372, 77, 0,
+	108, 169, 133, 95, 160, 400, 388, 0, 360, 402,
+	338, 352, 410, 353, 354, 381, 324, 368, 125, 350,
+	0, 341, 319, 347, 320, 339, 362, 93, 365, 337,
+	390, 371, 107, 408, 109, 376, 0, 142, 118, 0,
+	0, 364, 393, 366, 386, 359, 382, 329, 375, 403,
+	351, 379, 404, 0, 0, 0, 75, 0, 0, 0,
+	0, 0, 0, 0, 0, 86, 0, 378, 399, 349,
+	380, 318, 377, 0, 322, 325, 409, 397, 344, 345,
+	0, 0, 0, 0, 0, 0, 0, 363, 367, 383,
+	357, 392, 394, 0, 0, 0, 0, 0, 0, 0,
+	0, 342, 0, 374, 0, 0, 0, 326, 323, 0,
+	361, 0, 0, 0, 328, 0, 343, 384, 0, 317,
+	387, 395, 358, 187, 398, 356, 355, 401, 131, 0,
+	0, 145, 98, 97, 106, 391, 340, 348, 89, 346,
+	137, 127, 157, 373, 128, 136, 110, 149, 132, 156,
+	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
+	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
+	91, 124, 150, 151, 90, 171, 83, 162, 82, 315,
+	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
+	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
+	0, 321, 0, 143, 159, 172, 336, 396, 165, 166,
+	167, 168, 0, 0, 0, 316, 314, 101, 140, 104,
+	111, 134, 170, 126, 138, 88, 158, 141, 332, 335,
+	330, 331, 369, 370, 405, 406, 407, 385, 327, 0,
+	333, 334, 0, 389, 372, 77, 0, 108, 169, 133,
+	95, 160, 400, 388, 0, 360, 402, 338, 352, 410,
+	353, 354, 381, 324, 368, 125, 350, 0, 341, 319,
+	347, 320, 339, 362, 93, 365, 337, 390, 371, 107,
+	408, 109, 376, 0, 142, 118, 0, 0, 364, 393,
+	366, 386, 359, 382, 329, 375, 403, 351, 379, 404,
+	0, 0, 0, 185, 0, 0, 0, 0, 0, 0,
+	0, 0, 86, 0, 378, 399, 349, 380, 318, 377,
+	0, 322, 325, 409, 397, 344, 345, 0, 0, 0,
+	0, 0, 0, 0, 363, 367, 383, 357, 392, 394,
+	0, 0, 0, 0, 0, 0, 0, 0, 342, 0,
+	374, 0, 0, 0, 326, 323, 0, 361, 0, 0,
+	0, 328, 0, 343, 384, 0, 317, 387, 395, 358,
+	187, 398, 356, 355, 401, 131, 0, 0, 145, 98,
+	97, 106, 391, 340, 348, 89, 346, 137, 127, 157,
+	373, 128, 136, 110, 149, 132, 156, 188, 164, 147,
+	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
+	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
+	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
+	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
+	129, 112, 130, 100, 120, 119, 121, 0, 321, 0,
+	143, 159, 172, 336, 396, 165, 166, 167, 168, 0,
+	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
+	126, 138, 88, 158, 141, 332, 335, 330, 331, 369,
+	370, 405, 406, 407, 385, 327, 0, 333, 334, 0,
+	389, 372, 77, 0, 108, 169, 133, 95, 160, 400,
+	388, 0, 360, 402, 338, 352, 410, 353, 354, 381,
+	324, 368, 125, 350, 0, 341, 319, 347, 320, 339,
+	362, 93, 365, 337, 390, 371, 107, 408, 109, 376,
+	0, 142, 118, 0, 0, 364, 393, 366, 386, 359,
+	382, 329, 375, 403, 351, 379, 404, 0, 0, 0,
+	75, 0, 0, 0, 0, 0, 0, 0, 0, 86,
+	0, 378, 399, 349, 380, 318, 377, 0, 322, 325,
+	409, 397, 344, 345, 0, 0, 0, 0, 0, 0,
+	0, 363, 367, 383, 357, 392, 394, 0, 0, 0,
+	0, 0, 0, 0, 0, 342, 0, 374, 0, 0,
+	0, 326, 323, 0, 361, 0, 0, 0, 328, 0,
+	343, 384, 0, 317, 387, 395, 358, 187, 398, 356,
+	355, 401, 131, 0, 0, 145, 98, 97, 106, 391,
+	340, 348, 89, 346, 137, 127, 157, 373, 128, 136,
+	110, 149, 132, 156, 188, 164, 147, 163, 78, 146,
+	587, 87, 139, 80, 153, 144, 116, 102, 103, 79,
+	0, 135, 92, 96, 91, 124, 150, 151, 90, 171,
+	83, 162, 82, 315, 161, 123, 148, 154, 117, 114,
+	81, 152, 115, 113, 105, 94, 99, 129, 112, 130,
+	100, 120, 119, 121, 0, 321, 0, 143, 159, 172,
+	336, 396, 165, 166, 167, 168, 0, 0, 0, 316,
+	314, 101, 140, 104, 111, 134, 170, 126, 138, 88,
+	158, 141, 332, 335, 330, 331, 369, 370, 405, 406,
+	407, 385, 327, 0, 333, 334, 0, 389, 372, 77,
+	0, 108, 169, 133, 95, 160, 400, 388, 0, 360,
+	402, 338, 352, 410, 353, 354, 381, 324, 368, 125,
+	350, 0, 341, 319, 347, 320, 339, 362, 93, 365,
+	337, 390, 371, 107, 408, 109, 376, 0, 142, 118,
+	0, 0, 364, 393, 366, 386, 359, 382, 329, 375,
+	403, 351, 379, 404, 0, 0, 0, 75, 0, 0,
+	0, 0, 0, 0, 0, 0, 86, 0, 378, 399,
+	349, 380, 318, 377, 0, 322, 325, 409, 397, 344,
+	345, 0, 0, 0, 0, 0, 0, 0, 363, 367,
+	383, 357, 392, 394, 0, 0, 0, 0, 0, 0,
 	0, 0, 342, 0, 374, 0, 0, 0, 326, 323,
 	0, 361, 0, 0, 0, 328, 0, 343, 384, 0,
-	317, 387, 394, 358, 187, 397, 356, 355, 400, 131,
+	317, 387, 395, 358, 187, 398, 356, 355, 401, 131,
 	0, 0, 145, 98, 97, 106, 391, 340, 348, 89,
 	346, 137, 127, 157, 373, 128, 136, 110, 149, 132,
 	156, 188, 164, 147, 163, 78, 146, 306, 87, 139,
@@ -1163,12 +1157,12 @@ var yyAct = [...]int16{
 	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
 	315, 161, 123, 148, 154, 117, 114, 81, 152, 115,
 	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
-	121, 0, 321, 0, 143, 159, 172, 336, 395, 165,
+	121, 0, 321, 0, 143, 159, 172, 336, 396, 165,
 	166, 167, 168, 0, 0, 0, 316, 314, 309, 308,
 	104, 111, 134, 170, 126, 138, 88, 158, 141, 332,
-	335, 330, 331, 369, 370, 404, 405, 406, 385, 327,
+	335, 330, 331, 369, 370, 405, 406, 407, 385, 327,
 	0, 333, 334, 0, 389, 372, 77, 0, 108, 169,
-	133, 95, 160, 125, 0, 0, 745, 0, 240, 0,
+	133, 95, 160, 125, 0, 0, 749, 0, 240, 0,
 	0, 0, 93, 0, 237, 0, 0, 107, 279, 109,
 	0, 0, 142, 118, 0, 0, 0, 0, 270, 271,
 	0, 0, 0, 0, 0, 0, 0, 0, 50, 0,
@@ -1176,98 +1170,28 @@ var yyAct = [...]int16{
 	86, 259, 264, 265, 266, 0, 0, 235, 251, 0,
 	278, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 248, 249, 231, 0, 0, 0, 290, 0, 250,
-	0, 0, 246, 247, 252, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 187, 0, 0,
-	288, 0, 131, 0, 0, 145, 98, 97, 106, 0,
-	0, 0, 89, 0, 137, 127, 157, 0, 128, 136,
-	110, 149, 132, 156, 188, 164, 147, 163, 78, 146,
-	155, 87, 139, 80, 153, 144, 116, 102, 103, 79,
-	0, 135, 92, 96, 91, 124, 150, 151, 90, 171,
-	83, 162, 82, 84, 161, 123, 148, 154, 117, 114,
-	81, 152, 115, 113, 105, 94, 99, 129, 112, 130,
-	100, 120, 119, 121, 0, 0, 0, 143, 159, 172,
-	0, 0, 165, 166, 167, 168, 0, 0, 0, 122,
-	85, 101, 140, 104, 111, 134, 170, 126, 138, 88,
-	158, 141, 280, 289, 286, 287, 284, 285, 283, 282,
-	281, 291, 272, 273, 274, 275, 277, 0, 276, 77,
-	0, 108, 169, 133, 95, 160, 125, 0, 0, 0,
-	0, 240, 0, 0, 0, 93, 0, 237, 0, 0,
-	107, 279, 109, 0, 0, 142, 118, 0, 0, 0,
-	0, 270, 271, 0, 0, 0, 0, 0, 0, 0,
-	0, 50, 0, 455, 238, 258, 257, 260, 261, 262,
-	263, 0, 0, 86, 259, 264, 265, 266, 0, 0,
-	235, 251, 0, 278, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 248, 249, 0, 0, 0, 0,
-	290, 0, 250, 0, 0, 246, 247, 252, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	187, 0, 0, 288, 0, 131, 0, 0, 145, 98,
-	97, 106, 0, 0, 0, 89, 0, 137, 127, 157,
-	0, 128, 136, 110, 149, 132, 156, 188, 164, 147,
-	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
-	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
-	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
-	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
-	129, 112, 130, 100, 120, 119, 121, 0, 0, 0,
-	143, 159, 172, 0, 0, 165, 166, 167, 168, 0,
-	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
-	126, 138, 88, 158, 141, 280, 289, 286, 287, 284,
-	285, 283, 282, 281, 291, 272, 273, 274, 275, 277,
-	0, 276, 77, 0, 108, 169, 133, 95, 160, 125,
-	0, 0, 0, 0, 240, 0, 0, 0, 93, 0,
-	237, 0, 0, 107, 279, 109, 0, 0, 142, 118,
-	0, 0, 0, 0, 270, 271, 0, 0, 0, 0,
-	0, 0, 0, 0, 50, 0, 0, 238, 258, 257,
-	260, 261, 262, 263, 0, 0, 86, 259, 264, 265,
-	266, 0, 0, 235, 251, 0, 278, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 248, 249, 231,
-	0, 0, 0, 290, 0, 250, 0, 0, 246, 247,
-	252, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 187, 0, 0, 288, 0, 131, 0,
-	0, 145, 98, 97, 106, 0, 0, 0, 89, 0,
-	137, 127, 157, 0, 128, 136, 110, 149, 132, 156,
-	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
-	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
-	91, 124, 150, 151, 90, 171, 83, 162, 82, 84,
-	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
-	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
-	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
-	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
-	111, 134, 170, 126, 138, 88, 158, 141, 280, 289,
-	286, 287, 284, 285, 283, 282, 281, 291, 272, 273,
-	274, 275, 277, 0, 276, 77, 0, 108, 169, 133,
-	95, 160, 125, 0, 0, 0, 0, 240, 0, 0,
-	0, 93, 0, 237, 0, 0, 107, 279, 109, 0,
-	0, 142, 118, 0, 0, 0, 0, 270, 271, 0,
-	0, 0, 0, 0, 0, 808, 0, 50, 0, 0,
-	238, 258, 257, 260, 261, 262, 263, 0, 0, 86,
-	259, 264, 265, 266, 0, 0, 235, 251, 0, 278,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	248, 249, 0, 0, 0, 0, 290, 0, 250, 0,
-	0, 246, 247, 252, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 187, 0, 0, 288,
-	0, 131, 0, 0, 145, 98, 97, 106, 0, 0,
-	0, 89, 0, 137, 127, 157, 0, 128, 136, 110,
-	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
-	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
-	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
-	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
-	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
-	120, 119, 121, 0, 0, 0, 143, 159, 172, 0,
-	0, 165, 166, 167, 168, 0, 0, 0, 122, 85,
-	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
-	141, 280, 289, 286, 287, 284, 285, 283, 282, 281,
-	291, 272, 273, 274, 275, 277, 23, 276, 77, 0,
-	108, 169, 133, 95, 160, 0, 0, 0, 125, 0,
-	0, 0, 0, 240, 0, 0, 0, 93, 0, 237,
-	0, 0, 107, 279, 109, 0, 0, 142, 118, 0,
-	0, 0, 0, 270, 271, 0, 0, 0, 0, 0,
-	0, 0, 0, 50, 0, 0, 238, 258, 257, 260,
-	261, 262, 263, 0, 0, 86, 259, 264, 265, 266,
-	0, 0, 235, 251, 0, 278, 0, 0, 0, 0,
+	0, 0, 248, 249, 231, 0, 0, 0, 290, 0,
+	250, 0, 0, 246, 247, 252, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 187, 0,
+	0, 288, 0, 131, 0, 0, 145, 98, 97, 106,
+	0, 0, 0, 89, 0, 137, 127, 157, 0, 128,
+	136, 110, 149, 132, 156, 188, 164, 147, 163, 78,
+	146, 155, 87, 139, 80, 153, 144, 116, 102, 103,
+	79, 0, 135, 92, 96, 91, 124, 150, 151, 90,
+	171, 83, 162, 82, 84, 161, 123, 148, 154, 117,
+	114, 81, 152, 115, 113, 105, 94, 99, 129, 112,
+	130, 100, 120, 119, 121, 0, 0, 0, 143, 159,
+	172, 0, 0, 165, 166, 167, 168, 0, 0, 0,
+	122, 85, 101, 140, 104, 111, 134, 170, 126, 138,
+	88, 158, 141, 280, 289, 286, 287, 284, 285, 283,
+	282, 281, 291, 272, 273, 274, 275, 277, 0, 276,
+	77, 0, 108, 169, 133, 95, 160, 125, 0, 0,
+	0, 0, 240, 0, 0, 0, 93, 0, 237, 0,
+	0, 107, 279, 109, 0, 0, 142, 118, 0, 0,
+	0, 0, 270, 271, 0, 0, 0, 0, 0, 0,
+	0, 0, 50, 0, 456, 238, 258, 257, 260, 261,
+	262, 263, 0, 0, 86, 259, 264, 265, 266, 0,
+	0, 235, 251, 0, 278, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 248, 249, 0, 0,
 	0, 0, 290, 0, 250, 0, 0, 246, 247, 252,
@@ -1292,101 +1216,34 @@ var yyAct = [...]int16{
 	258, 257, 260, 261, 262, 263, 0, 0, 86, 259,
 	264, 265, 266, 0, 0, 235, 251, 0, 278, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 248,
-	249, 0, 0, 0, 0, 290, 0, 250, 0, 0,
-	246, 247, 252, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 187, 0, 0, 288, 0,
-	131, 0, 0, 145, 98, 97, 106, 0, 0, 0,
-	89, 0, 137, 127, 157, 0, 128, 136, 110, 149,
-	132, 156, 188, 164, 147, 163, 78, 146, 155, 87,
-	139, 80, 153, 144, 116, 102, 103, 79, 0, 135,
-	92, 96, 91, 124, 150, 151, 90, 171, 83, 162,
-	82, 84, 161, 123, 148, 154, 117, 114, 81, 152,
-	115, 113, 105, 94, 99, 129, 112, 130, 100, 120,
-	119, 121, 0, 0, 0, 143, 159, 172, 0, 0,
-	165, 166, 167, 168, 0, 0, 0, 122, 85, 101,
-	140, 104, 111, 134, 170, 126, 138, 88, 158, 141,
-	280, 289, 286, 287, 284, 285, 283, 282, 281, 291,
-	272, 273, 274, 275, 277, 125, 276, 77, 0, 108,
-	169, 133, 95, 160, 93, 0, 0, 0, 0, 107,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	248, 249, 231, 0, 0, 0, 290, 0, 250, 0,
+	0, 246, 247, 252, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 187, 0, 0, 288,
+	0, 131, 0, 0, 145, 98, 97, 106, 0, 0,
+	0, 89, 0, 137, 127, 157, 0, 128, 136, 110,
+	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
+	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
+	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
+	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
+	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
+	120, 119, 121, 0, 0, 0, 143, 159, 172, 0,
+	0, 165, 166, 167, 168, 0, 0, 0, 122, 85,
+	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
+	141, 280, 289, 286, 287, 284, 285, 283, 282, 281,
+	291, 272, 273, 274, 275, 277, 0, 276, 77, 0,
+	108, 169, 133, 95, 160, 125, 0, 0, 0, 0,
+	240, 0, 0, 0, 93, 0, 237, 0, 0, 107,
 	279, 109, 0, 0, 142, 118, 0, 0, 0, 0,
-	270, 271, 0, 0, 0, 0, 0, 0, 0, 0,
+	270, 271, 0, 0, 0, 0, 0, 0, 812, 0,
 	50, 0, 0, 238, 258, 257, 260, 261, 262, 263,
-	0, 0, 86, 259, 264, 265, 266, 0, 0, 0,
+	0, 0, 86, 259, 264, 265, 266, 0, 0, 235,
 	251, 0, 278, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 248, 249, 0, 0, 0, 0, 290,
-	0, 250, 0, 0, 246, 247, 252, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 187,
-	0, 0, 288, 0, 131, 0, 0, 145, 98, 97,
-	106, 0, 0, 0, 89, 0, 137, 127, 157, 1294,
-	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
-	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
-	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
-	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
-	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
-	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
-	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
-	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
-	138, 88, 158, 141, 280, 289, 286, 287, 284, 285,
-	283, 282, 281, 291, 272, 273, 274, 275, 277, 125,
-	276, 77, 0, 108, 169, 133, 95, 160, 93, 0,
-	0, 0, 0, 107, 279, 109, 0, 0, 142, 118,
-	0, 0, 0, 0, 270, 271, 0, 0, 0, 0,
-	0, 0, 0, 0, 50, 0, 0, 238, 258, 257,
-	260, 261, 262, 263, 0, 0, 86, 259, 264, 265,
-	266, 0, 0, 0, 251, 0, 278, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 248, 249, 0,
-	0, 0, 0, 290, 0, 250, 0, 0, 246, 247,
-	252, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 187, 0, 0, 288, 0, 131, 0,
-	0, 145, 98, 97, 106, 0, 0, 0, 89, 0,
-	137, 127, 157, 0, 128, 136, 110, 149, 132, 156,
-	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
-	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
-	91, 124, 150, 151, 90, 171, 83, 162, 82, 84,
-	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
-	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
-	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
-	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
-	111, 134, 170, 126, 138, 88, 158, 141, 280, 289,
-	286, 287, 284, 285, 283, 282, 281, 291, 272, 273,
-	274, 275, 277, 125, 276, 77, 0, 108, 169, 133,
-	95, 160, 93, 0, 0, 0, 0, 107, 0, 109,
-	0, 0, 142, 118, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 75, 0, 0, 0, 0, 0, 0, 0, 0,
-	86, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 490, 489, 499,
-	500, 492, 493, 494, 495, 496, 497, 498, 491, 0,
-	0, 501, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 187, 0, 0,
-	0, 0, 131, 0, 0, 145, 98, 97, 106, 0,
-	0, 0, 89, 0, 137, 127, 157, 0, 128, 136,
-	110, 149, 132, 156, 188, 164, 147, 163, 78, 146,
-	155, 87, 139, 80, 153, 144, 116, 102, 103, 79,
-	0, 135, 92, 96, 91, 124, 150, 151, 90, 171,
-	83, 162, 82, 84, 161, 123, 148, 154, 117, 114,
-	81, 152, 115, 113, 105, 94, 99, 129, 112, 130,
-	100, 120, 119, 121, 0, 0, 0, 143, 159, 172,
-	0, 0, 165, 166, 167, 168, 0, 0, 0, 122,
-	85, 101, 140, 104, 111, 134, 170, 126, 138, 88,
-	158, 141, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 77,
-	0, 108, 169, 133, 95, 160, 125, 0, 0, 0,
-	477, 0, 0, 0, 0, 93, 0, 0, 0, 0,
-	107, 0, 109, 0, 0, 142, 118, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 75, 0, 479, 0, 0, 0,
-	0, 0, 0, 86, 0, 0, 0, 0, 474, 473,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 475, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 248, 249, 0, 0, 0, 0,
+	290, 0, 250, 0, 0, 246, 247, 252, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	187, 0, 0, 0, 0, 131, 0, 0, 145, 98,
+	187, 0, 0, 288, 0, 131, 0, 0, 145, 98,
 	97, 106, 0, 0, 0, 89, 0, 137, 127, 157,
 	0, 128, 136, 110, 149, 132, 156, 188, 164, 147,
 	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
@@ -1396,43 +1253,21 @@ var yyAct = [...]int16{
 	129, 112, 130, 100, 120, 119, 121, 0, 0, 0,
 	143, 159, 172, 0, 0, 165, 166, 167, 168, 0,
 	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
-	126, 138, 88, 158, 141, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	125, 0, 77, 0, 108, 169, 133, 95, 160, 93,
-	0, 0, 0, 0, 107, 0, 109, 0, 0, 142,
-	118, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 75, 0,
-	0, 0, 0, 0, 0, 0, 0, 86, 0, 0,
-	0, 0, 68, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 71, 72, 0, 67, 0, 0, 0, 73, 131,
-	0, 0, 145, 98, 97, 106, 0, 0, 0, 89,
-	0, 137, 127, 157, 0, 128, 136, 110, 149, 132,
-	156, 69, 164, 147, 163, 78, 146, 155, 87, 139,
-	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
-	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
-	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
-	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
-	121, 0, 0, 0, 143, 159, 172, 0, 0, 165,
-	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
-	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
-	70, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 77, 0, 108, 169,
-	133, 95, 160, 125, 0, 0, 0, 574, 0, 0,
-	0, 0, 93, 0, 0, 0, 0, 107, 0, 109,
-	0, 0, 142, 118, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 185, 0, 576, 0, 0, 0, 0, 0, 0,
-	86, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	126, 138, 88, 158, 141, 280, 289, 286, 287, 284,
+	285, 283, 282, 281, 291, 272, 273, 274, 275, 277,
+	23, 276, 77, 0, 108, 169, 133, 95, 160, 0,
+	0, 0, 125, 0, 0, 0, 0, 240, 0, 0,
+	0, 93, 0, 237, 0, 0, 107, 279, 109, 0,
+	0, 142, 118, 0, 0, 0, 0, 270, 271, 0,
+	0, 0, 0, 0, 0, 0, 0, 50, 0, 0,
+	238, 258, 257, 260, 261, 262, 263, 0, 0, 86,
+	259, 264, 265, 266, 0, 0, 235, 251, 0, 278,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 248, 249, 0, 0, 0, 0, 290, 0, 250,
+	0, 0, 246, 247, 252, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 187, 0, 0,
-	0, 0, 131, 0, 0, 145, 98, 97, 106, 0,
+	288, 0, 131, 0, 0, 145, 98, 97, 106, 0,
 	0, 0, 89, 0, 137, 127, 157, 0, 128, 136,
 	110, 149, 132, 156, 188, 164, 147, 163, 78, 146,
 	155, 87, 139, 80, 153, 144, 116, 102, 103, 79,
@@ -1442,19 +1277,65 @@ var yyAct = [...]int16{
 	100, 120, 119, 121, 0, 0, 0, 143, 159, 172,
 	0, 0, 165, 166, 167, 168, 0, 0, 0, 122,
 	85, 101, 140, 104, 111, 134, 170, 126, 138, 88,
-	158, 141, 0, 0, 0, 23, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 125, 0, 77,
-	0, 108, 169, 133, 95, 160, 93, 0, 0, 0,
-	0, 107, 0, 109, 0, 0, 142, 118, 0, 0,
+	158, 141, 280, 289, 286, 287, 284, 285, 283, 282,
+	281, 291, 272, 273, 274, 275, 277, 0, 276, 77,
+	0, 108, 169, 133, 95, 160, 125, 0, 0, 0,
+	0, 240, 0, 0, 0, 93, 0, 237, 0, 0,
+	107, 279, 109, 0, 0, 142, 118, 0, 0, 0,
+	0, 270, 271, 0, 0, 0, 0, 0, 0, 0,
+	0, 50, 0, 0, 238, 258, 257, 260, 261, 262,
+	263, 0, 0, 86, 259, 264, 265, 266, 0, 0,
+	235, 251, 0, 278, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 50, 0, 0, 75, 0, 0, 0, 0,
-	0, 0, 0, 0, 86, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 248, 249, 0, 0, 0,
+	0, 290, 0, 250, 0, 0, 246, 247, 252, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 187, 0, 0, 288, 0, 131, 0, 0, 145,
+	98, 97, 106, 0, 0, 0, 89, 0, 137, 127,
+	157, 0, 128, 136, 110, 149, 132, 156, 188, 164,
+	147, 163, 78, 146, 155, 87, 139, 80, 153, 144,
+	116, 102, 103, 79, 0, 135, 92, 96, 91, 124,
+	150, 151, 90, 171, 83, 162, 82, 84, 161, 123,
+	148, 154, 117, 114, 81, 152, 115, 113, 105, 94,
+	99, 129, 112, 130, 100, 120, 119, 121, 0, 0,
+	0, 143, 159, 172, 0, 0, 165, 166, 167, 168,
+	0, 0, 0, 122, 85, 101, 140, 104, 111, 134,
+	170, 126, 138, 88, 158, 141, 280, 289, 286, 287,
+	284, 285, 283, 282, 281, 291, 272, 273, 274, 275,
+	277, 125, 276, 77, 0, 108, 169, 133, 95, 160,
+	93, 0, 0, 0, 0, 107, 279, 109, 0, 0,
+	142, 118, 0, 0, 0, 0, 270, 271, 0, 0,
+	0, 0, 0, 0, 0, 0, 50, 0, 0, 238,
+	258, 257, 260, 261, 262, 263, 0, 0, 86, 259,
+	264, 265, 266, 0, 0, 0, 251, 0, 278, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	248, 249, 0, 0, 0, 0, 290, 0, 250, 0,
+	0, 246, 247, 252, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 187, 0, 0, 288,
+	0, 131, 0, 0, 145, 98, 97, 106, 0, 0,
+	0, 89, 0, 137, 127, 157, 1299, 128, 136, 110,
+	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
+	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
+	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
+	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
+	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
+	120, 119, 121, 0, 0, 0, 143, 159, 172, 0,
+	0, 165, 166, 167, 168, 0, 0, 0, 122, 85,
+	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
+	141, 280, 289, 286, 287, 284, 285, 283, 282, 281,
+	291, 272, 273, 274, 275, 277, 125, 276, 77, 0,
+	108, 169, 133, 95, 160, 93, 0, 0, 0, 0,
+	107, 279, 109, 0, 0, 142, 118, 0, 0, 0,
+	0, 270, 271, 0, 0, 0, 0, 0, 0, 0,
+	0, 50, 0, 0, 238, 258, 257, 260, 261, 262,
+	263, 0, 0, 86, 259, 264, 265, 266, 0, 0,
+	0, 251, 0, 278, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 248, 249, 0, 0, 0,
+	0, 290, 0, 250, 0, 0, 246, 247, 252, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 187, 0, 0, 0, 0, 131, 0, 0, 145,
+	0, 187, 0, 0, 288, 0, 131, 0, 0, 145,
 	98, 97, 106, 0, 0, 0, 89, 0, 137, 127,
 	157, 0, 128, 136, 110, 149, 132, 156, 188, 164,
 	147, 163, 78, 146, 155, 87, 139, 80, 153, 144,
@@ -1464,22 +1345,68 @@ var yyAct = [...]int16{
 	99, 129, 112, 130, 100, 120, 119, 121, 0, 0,
 	0, 143, 159, 172, 0, 0, 165, 166, 167, 168,
 	0, 0, 0, 122, 85, 101, 140, 104, 111, 134,
-	170, 126, 138, 88, 158, 141, 0, 0, 0, 23,
+	170, 126, 138, 88, 158, 141, 280, 289, 286, 287,
+	284, 285, 283, 282, 281, 291, 272, 273, 274, 275,
+	277, 125, 276, 77, 0, 108, 169, 133, 95, 160,
+	93, 0, 0, 0, 0, 107, 0, 109, 0, 0,
+	142, 118, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 75,
+	0, 0, 0, 0, 0, 0, 0, 0, 86, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 492, 491, 501, 502,
+	494, 495, 496, 497, 498, 499, 500, 493, 0, 0,
+	503, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 187, 0, 0, 0,
+	0, 131, 0, 0, 145, 98, 97, 106, 0, 0,
+	0, 89, 0, 137, 127, 157, 0, 128, 136, 110,
+	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
+	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
+	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
+	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
+	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
+	120, 119, 121, 0, 0, 0, 143, 159, 172, 0,
+	0, 165, 166, 167, 168, 0, 0, 0, 122, 85,
+	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
+	141, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 77, 0,
+	108, 169, 133, 95, 160, 125, 0, 0, 0, 478,
+	0, 0, 0, 0, 93, 0, 0, 0, 0, 107,
+	0, 109, 0, 0, 142, 118, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 125, 0, 77, 0, 108, 169, 133, 95, 160,
-	93, 0, 0, 0, 0, 107, 0, 109, 0, 0,
-	142, 118, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 50, 0, 0, 185,
-	0, 0, 0, 0, 0, 0, 0, 0, 86, 0,
+	0, 0, 0, 75, 0, 480, 0, 0, 0, 0,
+	0, 0, 86, 0, 0, 0, 0, 475, 474, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 476, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	187, 0, 0, 0, 0, 131, 0, 0, 145, 98,
+	97, 106, 0, 0, 0, 89, 0, 137, 127, 157,
+	0, 128, 136, 110, 149, 132, 156, 188, 164, 147,
+	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
+	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
+	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
+	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
+	129, 112, 130, 100, 120, 119, 121, 0, 0, 0,
+	143, 159, 172, 0, 0, 165, 166, 167, 168, 0,
+	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
+	126, 138, 88, 158, 141, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	125, 0, 77, 0, 108, 169, 133, 95, 160, 93,
+	0, 0, 0, 0, 107, 0, 109, 0, 0, 142,
+	118, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 75, 0,
+	0, 0, 0, 0, 0, 0, 0, 86, 0, 0,
+	0, 0, 68, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 187, 0, 0, 0, 0,
+	0, 0, 71, 72, 0, 67, 0, 0, 0, 73,
 	131, 0, 0, 145, 98, 97, 106, 0, 0, 0,
 	89, 0, 137, 127, 157, 0, 128, 136, 110, 149,
-	132, 156, 188, 164, 147, 163, 78, 146, 155, 87,
+	132, 156, 69, 164, 147, 163, 78, 146, 155, 87,
 	139, 80, 153, 144, 116, 102, 103, 79, 0, 135,
 	92, 96, 91, 124, 150, 151, 90, 171, 83, 162,
 	82, 84, 161, 123, 148, 154, 117, 114, 81, 152,
@@ -1487,13 +1414,14 @@ var yyAct = [...]int16{
 	119, 121, 0, 0, 0, 143, 159, 172, 0, 0,
 	165, 166, 167, 168, 0, 0, 0, 122, 85, 101,
 	140, 104, 111, 134, 170, 126, 138, 88, 158, 141,
+	0, 70, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 77, 0, 108,
+	169, 133, 95, 160, 125, 0, 0, 0, 576, 0,
+	0, 0, 0, 93, 0, 0, 0, 0, 107, 0,
+	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 125, 0, 77, 0, 108,
-	169, 133, 95, 160, 93, 0, 0, 0, 0, 107,
-	0, 109, 0, 0, 142, 118, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 75, 0, 0, 694, 0, 0, 695,
-	0, 0, 86, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 185, 0, 578, 0, 0, 0, 0, 0,
+	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1509,81 +1437,58 @@ var yyAct = [...]int16{
 	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
 	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
 	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
-	138, 88, 158, 141, 0, 0, 0, 0, 0, 0,
+	138, 88, 158, 141, 0, 0, 0, 23, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 125,
 	0, 77, 0, 108, 169, 133, 95, 160, 93, 0,
-	594, 0, 0, 107, 0, 109, 0, 0, 142, 118,
+	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 75, 0, 593,
+	0, 0, 0, 0, 50, 0, 0, 75, 0, 0,
 	0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 187, 0, 0, 0, 0, 131, 0,
-	0, 145, 98, 97, 106, 0, 0, 0, 89, 0,
-	137, 127, 157, 0, 128, 136, 110, 149, 132, 156,
-	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
-	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
-	91, 124, 150, 151, 90, 171, 83, 162, 82, 84,
-	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
-	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
-	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
-	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
-	111, 134, 170, 126, 138, 88, 158, 141, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 77, 0, 108, 169, 133,
-	95, 160, 125, 0, 0, 0, 574, 0, 0, 0,
-	0, 93, 0, 0, 0, 0, 107, 0, 109, 0,
-	0, 142, 118, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	185, 0, 576, 0, 0, 0, 0, 0, 0, 86,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 187, 0, 0, 0,
-	0, 131, 0, 0, 145, 98, 97, 106, 0, 0,
-	0, 89, 0, 137, 127, 157, 0, 572, 136, 110,
-	149, 132, 156, 188, 164, 147, 163, 78, 146, 155,
-	87, 139, 80, 153, 144, 116, 102, 103, 79, 0,
-	135, 92, 96, 91, 124, 150, 151, 90, 171, 83,
-	162, 82, 84, 161, 123, 148, 154, 117, 114, 81,
-	152, 115, 113, 105, 94, 99, 129, 112, 130, 100,
-	120, 119, 121, 0, 0, 0, 143, 159, 172, 0,
-	0, 165, 166, 167, 168, 0, 0, 0, 122, 85,
-	101, 140, 104, 111, 134, 170, 126, 138, 88, 158,
-	141, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 125, 0, 77, 0,
-	108, 169, 133, 95, 160, 93, 0, 0, 0, 0,
-	107, 0, 109, 0, 0, 142, 118, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 50, 0, 0, 185, 0, 0, 0, 0, 0,
-	0, 0, 0, 86, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 187, 0, 0, 0, 0, 131,
+	0, 0, 145, 98, 97, 106, 0, 0, 0, 89,
+	0, 137, 127, 157, 0, 128, 136, 110, 149, 132,
+	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
+	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
+	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
+	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
+	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
+	121, 0, 0, 0, 143, 159, 172, 0, 0, 165,
+	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
+	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
+	0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 125, 0, 77, 0, 108, 169,
+	133, 95, 160, 93, 0, 0, 0, 0, 107, 0,
+	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 50,
+	0, 0, 185, 0, 0, 0, 0, 0, 0, 0,
+	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	187, 0, 0, 0, 0, 131, 0, 0, 145, 98,
-	97, 106, 0, 0, 0, 89, 0, 137, 127, 157,
-	0, 128, 136, 110, 149, 132, 156, 188, 164, 147,
-	163, 78, 146, 155, 87, 139, 80, 153, 144, 116,
-	102, 103, 79, 0, 135, 92, 96, 91, 124, 150,
-	151, 90, 171, 83, 162, 82, 84, 161, 123, 148,
-	154, 117, 114, 81, 152, 115, 113, 105, 94, 99,
-	129, 112, 130, 100, 120, 119, 121, 0, 0, 0,
-	143, 159, 172, 0, 0, 165, 166, 167, 168, 0,
-	0, 0, 122, 85, 101, 140, 104, 111, 134, 170,
-	126, 138, 88, 158, 141, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 187,
+	0, 0, 0, 0, 131, 0, 0, 145, 98, 97,
+	106, 0, 0, 0, 89, 0, 137, 127, 157, 0,
+	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
+	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
+	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
+	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
+	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
+	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
+	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
+	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
+	138, 88, 158, 141, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 125,
+	0, 77, 0, 108, 169, 133, 95, 160, 93, 0,
+	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	125, 0, 77, 0, 108, 169, 133, 95, 160, 93,
-	0, 0, 0, 0, 107, 0, 109, 0, 0, 142,
-	118, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 185, 0,
-	576, 0, 0, 0, 0, 0, 0, 86, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 75, 0, 0,
+	696, 0, 0, 697, 0, 0, 86, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1602,15 +1507,61 @@ var yyAct = [...]int16{
 	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 125, 0, 77, 0, 108, 169,
-	133, 95, 160, 93, 0, 0, 0, 0, 107, 0,
+	133, 95, 160, 93, 0, 596, 0, 0, 107, 0,
 	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 75, 0, 479, 0, 0, 0, 0, 0,
+	0, 0, 75, 0, 595, 0, 0, 0, 0, 0,
 	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 187,
+	0, 0, 0, 0, 131, 0, 0, 145, 98, 97,
+	106, 0, 0, 0, 89, 0, 137, 127, 157, 0,
+	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
+	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
+	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
+	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
+	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
+	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
+	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
+	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
+	138, 88, 158, 141, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 77, 0, 108, 169, 133, 95, 160, 125, 0,
+	0, 0, 576, 0, 0, 0, 0, 93, 0, 0,
+	0, 0, 107, 0, 109, 0, 0, 142, 118, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 185, 0, 578, 0,
+	0, 0, 0, 0, 0, 86, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 187, 0, 0, 0, 0, 131, 0,
+	0, 145, 98, 97, 106, 0, 0, 0, 89, 0,
+	137, 127, 157, 0, 574, 136, 110, 149, 132, 156,
+	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
+	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
+	91, 124, 150, 151, 90, 171, 83, 162, 82, 84,
+	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
+	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
+	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
+	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
+	111, 134, 170, 126, 138, 88, 158, 141, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 125, 0, 77, 0, 108, 169, 133,
+	95, 160, 93, 0, 0, 0, 0, 107, 0, 109,
+	0, 0, 142, 118, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 50, 0,
+	0, 185, 0, 0, 0, 0, 0, 0, 0, 0,
+	86, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 187, 0,
 	0, 0, 0, 131, 0, 0, 145, 98, 97, 106,
 	0, 0, 0, 89, 0, 137, 127, 157, 0, 128,
@@ -1623,12 +1574,12 @@ var yyAct = [...]int16{
 	172, 0, 0, 165, 166, 167, 168, 0, 0, 0,
 	122, 85, 101, 140, 104, 111, 134, 170, 126, 138,
 	88, 158, 141, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 125,
-	77, 0, 108, 169, 133, 95, 160, 552, 93, 0,
-	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
+	0, 0, 0, 0, 0, 0, 0, 0, 125, 0,
+	77, 0, 108, 169, 133, 95, 160, 93, 0, 0,
+	0, 0, 107, 0, 109, 0, 0, 142, 118, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 185, 0, 0,
-	0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 185, 0, 578, 0,
+	0, 0, 0, 0, 0, 86, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1645,80 +1596,103 @@ var yyAct = [...]int16{
 	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
 	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
 	111, 134, 170, 126, 138, 88, 158, 141, 0, 0,
-	0, 0, 0, 0, 0, 0, 301, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 125, 0, 77, 0, 108, 169, 133,
 	95, 160, 93, 0, 0, 0, 0, 107, 0, 109,
 	0, 0, 142, 118, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 185, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 75, 0, 480, 0, 0, 0, 0, 0, 0,
 	86, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 187, 0, 0,
-	0, 0, 131, 0, 0, 145, 98, 97, 106, 0,
-	0, 0, 89, 0, 137, 127, 157, 0, 128, 136,
-	110, 149, 132, 156, 188, 164, 147, 163, 78, 146,
-	155, 87, 139, 80, 153, 144, 116, 102, 103, 79,
-	0, 135, 92, 96, 91, 124, 150, 151, 90, 171,
-	83, 162, 82, 84, 161, 123, 148, 154, 117, 114,
-	81, 152, 115, 113, 105, 94, 99, 129, 112, 130,
-	100, 120, 119, 121, 0, 0, 0, 143, 159, 172,
-	0, 0, 165, 166, 167, 168, 0, 0, 0, 122,
-	85, 101, 140, 104, 111, 134, 170, 126, 138, 88,
-	158, 141, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 125, 0, 77,
-	0, 108, 169, 133, 95, 160, 93, 0, 0, 0,
-	0, 107, 0, 109, 0, 0, 142, 118, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 187, 0,
+	0, 0, 0, 131, 0, 0, 145, 98, 97, 106,
+	0, 0, 0, 89, 0, 137, 127, 157, 0, 128,
+	136, 110, 149, 132, 156, 188, 164, 147, 163, 78,
+	146, 155, 87, 139, 80, 153, 144, 116, 102, 103,
+	79, 0, 135, 92, 96, 91, 124, 150, 151, 90,
+	171, 83, 162, 82, 84, 161, 123, 148, 154, 117,
+	114, 81, 152, 115, 113, 105, 94, 99, 129, 112,
+	130, 100, 120, 119, 121, 0, 0, 0, 143, 159,
+	172, 0, 0, 165, 166, 167, 168, 0, 0, 0,
+	122, 85, 101, 140, 104, 111, 134, 170, 126, 138,
+	88, 158, 141, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 125,
+	77, 0, 108, 169, 133, 95, 160, 554, 93, 0,
+	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 185, 0, 0, 0, 0,
-	0, 0, 0, 0, 86, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 185, 0, 0,
+	0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 182,
-	0, 187, 0, 0, 0, 0, 131, 0, 0, 145,
-	98, 97, 106, 0, 0, 0, 89, 0, 137, 127,
-	157, 0, 128, 136, 110, 149, 132, 156, 188, 164,
-	147, 163, 78, 146, 155, 87, 139, 80, 153, 144,
-	116, 102, 103, 79, 0, 135, 92, 96, 91, 124,
-	150, 151, 90, 171, 83, 162, 82, 84, 161, 123,
-	148, 154, 117, 114, 81, 152, 115, 113, 105, 94,
-	99, 129, 112, 130, 100, 120, 119, 121, 0, 0,
-	0, 143, 159, 172, 0, 0, 165, 166, 167, 168,
-	0, 0, 0, 122, 85, 101, 140, 104, 111, 134,
-	170, 126, 138, 88, 158, 141, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 125, 0, 77, 0, 108, 169, 133, 95, 160,
-	93, 0, 0, 0, 0, 107, 0, 109, 0, 0,
-	142, 118, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 75,
-	0, 0, 0, 0, 0, 0, 0, 0, 86, 0,
+	0, 0, 0, 0, 187, 0, 0, 0, 0, 131,
+	0, 0, 145, 98, 97, 106, 0, 0, 0, 89,
+	0, 137, 127, 157, 0, 128, 136, 110, 149, 132,
+	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
+	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
+	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
+	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
+	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
+	121, 0, 0, 0, 143, 159, 172, 0, 0, 165,
+	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
+	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
+	0, 0, 0, 0, 0, 0, 0, 301, 0, 0,
+	0, 0, 0, 0, 125, 0, 77, 0, 108, 169,
+	133, 95, 160, 93, 0, 0, 0, 0, 107, 0,
+	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 185, 0, 0, 0, 0, 0, 0, 0,
+	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 187, 0, 0, 0, 0,
-	131, 0, 0, 145, 98, 97, 106, 0, 0, 0,
-	89, 0, 137, 127, 157, 0, 128, 136, 110, 149,
-	132, 156, 188, 164, 147, 163, 78, 146, 155, 87,
-	139, 80, 153, 144, 116, 102, 103, 79, 0, 135,
-	92, 96, 91, 124, 150, 151, 90, 171, 83, 162,
-	82, 84, 161, 123, 148, 154, 117, 114, 81, 152,
-	115, 113, 105, 94, 99, 129, 112, 130, 100, 120,
-	119, 121, 0, 0, 0, 143, 159, 172, 0, 0,
-	165, 166, 167, 168, 0, 0, 0, 122, 85, 101,
-	140, 104, 111, 134, 170, 126, 138, 88, 158, 141,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 187,
+	0, 0, 0, 0, 131, 0, 0, 145, 98, 97,
+	106, 0, 0, 0, 89, 0, 137, 127, 157, 0,
+	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
+	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
+	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
+	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
+	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
+	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
+	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
+	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
+	138, 88, 158, 141, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 125,
+	0, 77, 0, 108, 169, 133, 95, 160, 93, 0,
+	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 125, 0, 77, 0, 108,
-	169, 133, 95, 160, 93, 0, 0, 0, 0, 107,
-	0, 109, 0, 0, 142, 118, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 185, 0, 0,
+	0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 182, 0, 187, 0, 0, 0, 0, 131,
+	0, 0, 145, 98, 97, 106, 0, 0, 0, 89,
+	0, 137, 127, 157, 0, 128, 136, 110, 149, 132,
+	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
+	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
+	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
+	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
+	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
+	121, 0, 0, 0, 143, 159, 172, 0, 0, 165,
+	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
+	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 125, 0, 77, 0, 108, 169,
+	133, 95, 160, 93, 0, 0, 0, 0, 107, 0,
+	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 238, 0, 0, 0, 0, 0, 0,
-	0, 0, 86, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 75, 0, 0, 0, 0, 0, 0, 0,
+	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1739,39 +1713,60 @@ var yyAct = [...]int16{
 	0, 77, 0, 108, 169, 133, 95, 160, 93, 0,
 	0, 0, 0, 107, 0, 109, 0, 0, 142, 118,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 185, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 238, 0, 0,
 	0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 187, 0, 0, 0, 0, 131, 0,
-	0, 145, 98, 97, 106, 0, 0, 0, 89, 0,
-	137, 127, 157, 0, 128, 136, 110, 149, 132, 156,
-	188, 164, 147, 163, 78, 146, 155, 87, 139, 80,
-	153, 144, 116, 102, 103, 79, 0, 135, 92, 96,
-	91, 124, 150, 151, 90, 171, 83, 162, 82, 84,
-	161, 123, 148, 154, 117, 114, 81, 152, 115, 113,
-	105, 94, 99, 129, 112, 130, 100, 120, 119, 121,
-	0, 0, 0, 143, 159, 172, 0, 0, 165, 166,
-	167, 168, 0, 0, 0, 122, 85, 101, 140, 104,
-	111, 134, 170, 126, 138, 88, 158, 141, 0, 0,
+	0, 0, 0, 0, 187, 0, 0, 0, 0, 131,
+	0, 0, 145, 98, 97, 106, 0, 0, 0, 89,
+	0, 137, 127, 157, 0, 128, 136, 110, 149, 132,
+	156, 188, 164, 147, 163, 78, 146, 155, 87, 139,
+	80, 153, 144, 116, 102, 103, 79, 0, 135, 92,
+	96, 91, 124, 150, 151, 90, 171, 83, 162, 82,
+	84, 161, 123, 148, 154, 117, 114, 81, 152, 115,
+	113, 105, 94, 99, 129, 112, 130, 100, 120, 119,
+	121, 0, 0, 0, 143, 159, 172, 0, 0, 165,
+	166, 167, 168, 0, 0, 0, 122, 85, 101, 140,
+	104, 111, 134, 170, 126, 138, 88, 158, 141, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 125, 0, 77, 0, 108, 169,
+	133, 95, 160, 93, 0, 0, 0, 0, 107, 0,
+	109, 0, 0, 142, 118, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 185, 0, 0, 0, 0, 0, 0, 0,
+	0, 86, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 77, 0, 108, 169, 133,
-	95, 160,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 187,
+	0, 0, 0, 0, 131, 0, 0, 145, 98, 97,
+	106, 0, 0, 0, 89, 0, 137, 127, 157, 0,
+	128, 136, 110, 149, 132, 156, 188, 164, 147, 163,
+	78, 146, 155, 87, 139, 80, 153, 144, 116, 102,
+	103, 79, 0, 135, 92, 96, 91, 124, 150, 151,
+	90, 171, 83, 162, 82, 84, 161, 123, 148, 154,
+	117, 114, 81, 152, 115, 113, 105, 94, 99, 129,
+	112, 130, 100, 120, 119, 121, 0, 0, 0, 143,
+	159, 172, 0, 0, 165, 166, 167, 168, 0, 0,
+	0, 122, 85, 101, 140, 104, 111, 134, 170, 126,
+	138, 88, 158, 141, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 77, 0, 108, 169, 133, 95, 160,
 }
 
 var yyPact = [...]int16{
-	1544, -1000, -191, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 847, 868, -1000, -1000, -1000, -1000, -1000, -1000, 688,
-	7442, 44, 70, 16, 10149, 69, 196, 10821, -1000, -15,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 661, -1000, -1000,
-	-1000, -1000, -1000, 837, 840, 700, 831, 742, -1000, 5611,
-	41, 9028, 9925, 4912, -1000, 499, 64, 10821, -154, 10373,
-	38, 38, 38, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	1859, -1000, -186, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 804, 833, -1000, -1000, -1000, -1000, -1000, -1000, 633,
+	7372, 43, 67, -5, 10091, 66, 1619, 10766, -1000, -11,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 582, -1000, -1000,
+	-1000, -1000, -1000, 796, 799, 639, 790, 708, -1000, 5533,
+	40, 8965, 9866, 4831, -1000, 495, 54, 10766, -153, 10316,
+	37, 37, 37, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1780,22 +1775,22 @@ var yyPact = [...]int16{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 68, 10821, -1000, 10821, 36, 497, 36,
-	36, 36, 10821, -1000, 104, -1000, -1000, -1000, -1000, 10821,
-	482, 764, 27, 2944, 2944, 2944, 2944, 0, 2944, -114,
-	701, -1000, -1000, -1000, -1000, 2944, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 417, 813, 6313, 6313,
-	847, -1000, 661, -1000, -1000, -1000, 798, -1000, -1000, 254,
-	855, -1000, 7218, 102, -1000, 6313, 1748, 620, -1000, -1000,
-	620, -1000, -1000, 75, -1000, -1000, 6761, 6761, 6761, 6761,
-	6761, 6761, 6761, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 620, -1000, 6080,
-	620, 620, 620, 620, 620, 620, 620, 620, 6313, 620,
-	620, 620, 620, 620, 620, 620, 620, 620, 620, 620,
-	620, 620, 9701, 583, 674, -1000, -1000, -1000, 825, 8123,
-	8804, 10821, 598, -1000, 617, 4666, -91, -1000, -1000, -1000,
-	176, 8571, -1000, -1000, -1000, 763, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, 61, 10766, -1000, 10766, 34, 494, 34,
+	34, 34, 10766, -1000, 101, -1000, -1000, -1000, -1000, 10766,
+	491, 763, 29, 2855, 2855, 2855, 2855, -6, 2855, -92,
+	662, -1000, -1000, -1000, -1000, 2855, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 390, 770, 6238, 6238,
+	804, -1000, 582, -1000, -1000, -1000, 743, -1000, -1000, 258,
+	821, -1000, 7147, 96, -1000, 6238, 1954, 591, -1000, -1000,
+	591, -1000, -1000, 77, -1000, -1000, 6688, 6688, 6688, 6688,
+	6688, 6688, 6688, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 591, -1000, 6004,
+	591, 591, 591, 591, 591, 591, 591, 591, 6238, 591,
+	591, 591, 591, 591, 591, 591, 591, 591, 591, 591,
+	591, 591, 9641, 594, 676, -1000, -1000, -1000, 787, 8056,
+	8740, 10766, 558, -1000, 575, 4584, -125, -1000, -1000, -1000,
+	160, 8506, -1000, -1000, -1000, 760, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1804,117 +1799,119 @@ var yyPact = [...]int16{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	511, -1000, 1757, 480, 2944, 48, 638, 479, 224, 470,
-	10821, 10821, 2944, 46, 10821, 817, 699, 10821, 467, 458,
-	-1000, 4420, -1000, 2944, 2944, 2944, 2944, 2944, 2944, 2944,
-	2944, -1000, -1000, -1000, -1000, -1000, -1000, 2944, 2944, -1000,
-	-56, -1000, 10821, -1000, -1000, -1000, -1000, 863, 144, 393,
-	100, 618, -1000, 356, 837, 417, 742, 8347, 712, -1000,
-	-1000, 10821, -1000, 6313, 6313, 352, -1000, 9476, -1000, -1000,
-	3436, 146, 6761, 379, 233, 6761, 6761, 6761, 6761, 6761,
-	6761, 6761, 6761, 6761, 6761, 6761, 6761, 6761, 6761, 6761,
-	6761, 340, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	456, -1000, 661, 637, 637, 111, 111, 111, 111, 111,
-	111, 6985, 5145, 417, 476, 312, 6080, 5611, 5611, 6313,
-	6313, 10597, 10597, 5611, 827, 191, 312, 10597, -1000, 417,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 5611, 5611, 5611,
-	5611, 17, 10821, -1000, 10597, 9028, 9028, 9028, 9028, 9028,
-	-1000, 730, 728, -1000, 729, 721, 736, 10821, -1000, 474,
-	8123, 127, 620, -1000, 9252, -1000, -1000, 17, 533, 9028,
-	10821, -1000, -1000, 4174, 617, -91, 606, -1000, -124, -102,
-	5844, 109, -1000, -1000, -1000, -1000, 2698, 136, 238, -86,
-	-1000, -1000, -1000, 623, -1000, 623, 623, 623, 623, -50,
-	-50, -50, -50, -1000, -1000, -1000, -1000, -1000, 687, 686,
-	-1000, 623, 623, 623, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	683, 683, 683, 655, 655, 682, -1000, 10821, -172, 454,
-	2944, 808, 2944, -1000, 65, -1000, 10821, -1000, -1000, 10821,
-	2944, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 208, -1000, -1000, -1000,
-	-1000, 751, 6313, 6313, 3928, 6313, -1000, -1000, -1000, 813,
-	-1000, 827, 842, -1000, 758, 757, 5611, -1000, -1000, 146,
-	321, -1000, -1000, 280, -1000, -1000, -1000, -1000, 93, 620,
-	-1000, 1696, -1000, -1000, -1000, -1000, 379, 6761, 6761, 6761,
-	6761, 448, 1696, 1696, 1610, 232, 1863, 111, 253, 253,
-	118, 118, 118, 118, 118, 355, 355, -1000, -1000, -1000,
-	417, -1000, -1000, -1000, 417, 5611, 615, -1000, -1000, 6313,
-	-1000, 417, 451, 451, 306, 346, 657, -1000, 91, 651,
-	451, 5611, 223, -1000, 6313, 417, -1000, 451, 417, 451,
-	451, 531, 620, -1000, 653, -1000, 174, 674, 681, 698,
-	794, -1000, -1000, -1000, -1000, 722, -1000, 714, -1000, -1000,
-	-1000, -1000, -1000, 61, 57, 52, 10373, -1000, 852, 9028,
-	571, -1000, -1000, 606, -91, -133, -1000, -1000, -1000, 312,
-	-1000, 430, 604, 2452, -1000, -1000, -1000, -1000, -1000, -1000,
-	660, 797, 143, 183, 406, -1000, -1000, 767, -1000, 228,
-	-103, -1000, -1000, 369, -50, -50, -1000, -1000, 109, 762,
-	109, 109, 109, 387, 387, -1000, -1000, -1000, -1000, 336,
-	-1000, -1000, -1000, 319, -1000, 695, 10373, 2944, -1000, 3682,
-	-1000, -1000, -1000, -1000, -1000, -1000, 390, 366, 185, -1000,
+	-1000, 490, -1000, 1766, 485, 2855, 48, 622, 483, 191,
+	481, 10766, 10766, 2855, 45, 10766, 784, 648, 10766, 474,
+	470, -1000, 4337, -1000, 2855, 2855, 2855, 2855, 2855, 2855,
+	2855, 2855, -1000, -1000, -1000, -1000, -1000, -1000, 2855, 2855,
+	-1000, -88, -1000, 10766, -1000, -1000, -1000, -1000, 828, 131,
+	411, 92, 580, -1000, 383, 796, 390, 708, 8281, 673,
+	-1000, -1000, 10766, -1000, 6238, 6238, 329, -1000, 9415, -1000,
+	-1000, 3349, 132, 6688, 286, 331, 6688, 6688, 6688, 6688,
+	6688, 6688, 6688, 6688, 6688, 6688, 6688, 6688, 6688, 6688,
+	6688, 6688, 6688, 313, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 443, -1000, 582, 713, 713, 108, 108, 108,
+	108, 108, 108, 6913, 5065, 390, 480, 225, 6004, 5533,
+	5533, 6238, 6238, 10541, 10541, 5533, 791, 172, 225, 10541,
+	-1000, 390, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 5533,
+	5533, 5533, 5533, 12, 10766, -1000, 10541, 8965, 8965, 8965,
+	8965, 8965, -1000, 701, 698, -1000, 695, 692, 702, 10766,
+	-1000, 458, 8056, 109, 591, -1000, 9190, -1000, -1000, 12,
+	514, 8965, 10766, -1000, -1000, 4090, 575, -125, 571, -1000,
+	-107, -133, 5767, 107, -1000, -1000, -1000, -1000, 2608, 129,
+	276, -76, -1000, -1000, -1000, 597, -1000, 597, 597, 597,
+	597, -44, -44, -44, -44, -1000, -1000, -1000, -1000, -1000,
+	623, 611, -1000, 597, 597, 597, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	15, -1000, 2944, -1000, 257, 10821, 10821, 749, 312, 312,
-	90, -1000, -1000, 10821, -1000, -1000, -1000, -1000, 612, -1000,
-	-1000, -1000, 3190, 5611, -1000, 448, 1696, 1696, 1571, -1000,
-	6761, 6761, -1000, -1000, 451, 5611, 312, -1000, -1000, -1000,
-	47, 340, 47, 6761, 6761, 3928, 6761, 6761, -167, 582,
-	179, -1000, 6313, 155, -1000, -1000, -1000, -1000, -1000, 694,
-	10597, 620, -1000, 7899, 10373, 847, 10597, 6313, 6313, -1000,
-	-1000, 6313, 656, -1000, 6313, -1000, -1000, -1000, 620, 620,
-	620, 429, -1000, 847, 571, -1000, -1000, -1000, -134, -136,
-	-1000, -1000, 2698, -1000, 2698, 10373, -1000, 394, 358, -1000,
-	-1000, 692, 66, -1000, -1000, -1000, 521, 109, 109, -1000,
-	190, -1000, -1000, -1000, 447, -1000, 445, 600, 436, 10821,
-	-1000, -1000, 556, -1000, 173, -1000, -1000, 10373, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	10373, 10821, -1000, -1000, -1000, -1000, -1000, 10373, -1000, -1000,
-	386, 6313, -1000, -1000, -1000, 3682, -1000, 852, 9028, -1000,
-	-1000, 417, -1000, 6761, 1696, 1696, -1000, -1000, 417, 623,
-	623, -1000, 623, 655, -1000, 623, -24, 623, -29, 417,
-	417, 1383, 1522, -1000, 711, 1507, 620, -161, -1000, 312,
-	6313, -1000, 799, 527, 544, -1000, -1000, 5378, 417, 434,
-	83, 429, 837, -1000, 312, 312, 312, 10373, 312, 10373,
-	10373, 10373, 7675, 10373, 837, -1000, -1000, -1000, -1000, 2452,
-	-1000, 427, -1000, 623, -1000, -1000, -78, 860, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -50,
-	373, -50, 316, -1000, 313, 2944, 3682, 2698, -1000, 621,
-	-1000, -1000, -1000, -1000, 803, -1000, 312, 850, 546, -1000,
-	1696, -1000, -1000, 67, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 6761, 6761, -1000, 6761, 6761, 6761, 417,
-	371, 312, 788, -1000, 620, -1000, -1000, 585, 10373, 10373,
-	-1000, -1000, 422, -1000, 420, 420, 420, 127, -1000, -1000,
-	107, 10373, -1000, 134, -1000, -142, 109, -1000, 109, 512,
-	477, -1000, -1000, -1000, 10373, 620, 843, 839, -1000, -1000,
-	1465, 1465, 1465, 1465, 12, -1000, -1000, 858, -1000, 620,
-	-1000, 661, 81, -1000, 10373, -1000, -1000, -1000, -1000, -1000,
-	107, -1000, 315, 167, 367, -1000, 249, 771, -1000, 770,
-	-1000, -1000, -1000, -1000, -1000, 416, 13, -1000, 6313, 6313,
-	-1000, -1000, -1000, -1000, 417, 49, -176, 10597, 544, 417,
-	10373, -1000, -1000, -1000, 310, -1000, -1000, -1000, 281, -1000,
-	-1000, 638, 411, -1000, 10373, 312, 523, -1000, 747, -170,
-	-183, 449, -1000, -1000, -1000, -1000, -172, -1000, 13, 756,
-	-1000, 740, -1000, -1000, -1000, 8, -173, 2, -181, 620,
-	-185, 6537, -1000, 1465, 417, -1000, -1000,
+	-1000, -1000, 603, 603, 603, 598, 598, 635, -1000, 10766,
+	-174, 427, 2855, 783, 2855, -1000, 64, -1000, 10766, -1000,
+	-1000, 10766, 2855, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 234, -1000,
+	-1000, -1000, -1000, 714, 6238, 6238, 3843, 6238, -1000, -1000,
+	-1000, 770, -1000, 791, 805, -1000, 734, 732, 5533, -1000,
+	-1000, 132, 254, -1000, -1000, 278, -1000, -1000, -1000, -1000,
+	89, 591, -1000, 1978, -1000, -1000, -1000, -1000, 286, 6688,
+	6688, 6688, 6688, 6688, 288, 1978, 1978, 2032, 1978, 421,
+	1435, 108, 252, 252, 106, 106, 106, 106, 106, 230,
+	230, -1000, -1000, -1000, 390, -1000, -1000, -1000, 390, 5533,
+	572, -1000, -1000, 6238, -1000, 390, 440, 440, 376, 462,
+	628, -1000, 82, 621, 440, 5533, 221, -1000, 6238, 390,
+	-1000, 440, 390, 440, 440, 546, 591, -1000, 574, -1000,
+	159, 676, 632, 647, 740, -1000, -1000, -1000, -1000, 675,
+	-1000, 649, -1000, -1000, -1000, -1000, -1000, 53, 52, 50,
+	10316, -1000, 819, 8965, 544, -1000, -1000, 571, -125, -94,
+	-1000, -1000, -1000, 225, -1000, 424, 541, 2361, -1000, -1000,
+	-1000, -1000, -1000, -1000, 601, 775, 142, 145, 410, -1000,
+	-1000, 766, -1000, 187, -83, -1000, -1000, 343, -44, -44,
+	-1000, -1000, 107, 738, 107, 107, 107, 373, 373, -1000,
+	-1000, -1000, -1000, 309, -1000, -1000, -1000, 306, -1000, 646,
+	10316, 2855, -1000, 3596, -1000, -1000, -1000, -1000, -1000, -1000,
+	282, 176, 189, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 11, -1000, 2855, -1000, 213, 10766,
+	10766, 718, 225, 225, 81, -1000, -1000, 10766, -1000, -1000,
+	-1000, -1000, 560, -1000, -1000, -1000, 3102, 5533, -1000, 288,
+	1978, 1978, 2016, 1978, -1000, 6688, 6688, -1000, -1000, 440,
+	5533, 225, -1000, -1000, -1000, 46, 313, 46, 6688, 6688,
+	3843, 6688, 6688, -163, 559, 167, -1000, 6238, 182, -1000,
+	-1000, -1000, -1000, -1000, 645, 10541, 591, -1000, 7831, 10316,
+	804, 10541, 6238, 6238, -1000, -1000, 6238, 599, -1000, 6238,
+	-1000, -1000, -1000, 591, 591, 591, 420, -1000, 804, 544,
+	-1000, -1000, -1000, -123, -138, -1000, -1000, 2608, -1000, 2608,
+	10316, -1000, 408, 392, -1000, -1000, 634, 65, -1000, -1000,
+	-1000, 500, 107, 107, -1000, 186, -1000, -1000, -1000, 438,
+	-1000, 434, 531, 431, 10766, -1000, -1000, 526, -1000, 148,
+	-1000, -1000, 10316, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 10316, 10766, -1000, -1000, -1000,
+	-1000, -1000, 10316, -1000, -1000, 367, 6238, -1000, -1000, -1000,
+	3596, -1000, 819, 8965, -1000, -1000, 390, -1000, 6688, 1978,
+	1978, -1000, -1000, 390, 597, 597, -1000, 597, 598, -1000,
+	597, -20, 597, -22, 390, 390, 830, 1546, -1000, 407,
+	1531, 591, -160, -1000, 225, 6238, -1000, 778, 513, 516,
+	-1000, -1000, 5299, 390, 422, 80, 420, 796, -1000, 225,
+	225, 225, 10316, 225, 10316, 10316, 10316, 7606, 10316, 796,
+	-1000, -1000, -1000, -1000, 2361, -1000, 417, -1000, 597, -1000,
+	-1000, -67, 827, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -44, 359, -44, 301, -1000, 299,
+	2855, 3596, 2608, -1000, 596, -1000, -1000, -1000, -1000, 772,
+	-1000, 225, 815, 518, -1000, 1978, -1000, -1000, 87, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 6688, 6688,
+	-1000, 6688, 6688, 6688, 390, 348, 225, 774, -1000, 591,
+	-1000, -1000, 548, 10316, 10316, -1000, -1000, 403, -1000, 401,
+	401, 401, 109, -1000, -1000, 99, 10316, -1000, 134, -1000,
+	-142, 107, -1000, 107, 441, 404, -1000, -1000, -1000, 10316,
+	591, 813, 798, -1000, -1000, 607, 607, 607, 607, 7,
+	-1000, -1000, 825, -1000, 591, -1000, 582, 75, -1000, 10316,
+	-1000, -1000, -1000, -1000, -1000, 99, -1000, 378, 146, 345,
+	-1000, 249, 771, -1000, 769, -1000, -1000, -1000, -1000, -1000,
+	397, 9, -1000, 6238, 6238, -1000, -1000, -1000, -1000, 390,
+	33, -178, 10541, 516, 390, 10316, -1000, -1000, -1000, 264,
+	-1000, -1000, -1000, 277, -1000, -1000, 622, 389, -1000, 10316,
+	225, 503, -1000, 717, -167, -182, 482, -1000, -1000, -1000,
+	-1000, -174, -1000, 9, 730, -1000, 716, -1000, -1000, -1000,
+	3, -175, 1, -179, 591, -183, 6463, -1000, 607, 390,
+	-1000, -1000,
 }
 
 var yyPgo = [...]int16{
-	0, 1098, 25, 507, 1097, 1093, 1092, 1091, 1090, 1088,
-	1086, 1085, 1083, 1082, 1081, 1079, 1075, 1074, 1071, 1069,
-	1068, 1065, 1063, 1062, 116, 1059, 1058, 1057, 59, 1056,
-	57, 1051, 1046, 29, 849, 30, 32, 100, 1045, 34,
-	65, 99, 1042, 41, 1041, 1038, 63, 1037, 52, 1036,
-	1032, 1353, 1029, 1028, 9, 22, 1023, 1021, 1019, 1018,
-	55, 430, 1016, 1015, 1014, 1013, 1012, 1009, 43, 4,
-	7, 20, 11, 1008, 84, 79, 1007, 39, 1006, 1005,
-	995, 993, 58, 990, 45, 989, 13, 40, 986, 12,
-	44, 31, 15, 14, 61, 42, 984, 21, 49, 38,
-	983, 982, 341, 980, 979, 978, 971, 966, 963, 131,
-	337, 954, 952, 947, 943, 27, 167, 562, 91, 47,
-	941, 940, 939, 1333, 53, 54, 17, 938, 24, 881,
-	28, 937, 936, 23, 933, 932, 915, 914, 912, 911,
-	910, 78, 909, 908, 907, 35, 46, 906, 904, 50,
-	18, 903, 902, 900, 37, 51, 899, 36, 898, 897,
-	896, 895, 19, 16, 894, 8, 893, 5, 892, 891,
-	2, 886, 10, 880, 3, 879, 6, 33, 878, 877,
-	0, 204, 876, 875, 103,
+	0, 1048, 24, 490, 1047, 1046, 1041, 1040, 1039, 1038,
+	1037, 1035, 1034, 1033, 1030, 1027, 1026, 1025, 1023, 1022,
+	1021, 1020, 1019, 1018, 112, 1017, 1016, 1015, 55, 1014,
+	63, 1011, 1010, 33, 752, 36, 35, 1070, 1009, 29,
+	57, 60, 996, 40, 995, 994, 65, 993, 54, 991,
+	990, 1259, 989, 986, 16, 18, 983, 982, 981, 980,
+	61, 418, 978, 977, 975, 970, 969, 967, 42, 6,
+	9, 12, 14, 963, 99, 8, 962, 41, 957, 953,
+	952, 950, 23, 948, 46, 946, 21, 43, 945, 10,
+	51, 22, 20, 5, 64, 49, 942, 32, 52, 39,
+	941, 940, 372, 939, 938, 936, 935, 904, 900, 136,
+	321, 899, 898, 897, 896, 45, 167, 563, 730, 59,
+	895, 894, 893, 1320, 58, 53, 15, 892, 31, 1024,
+	34, 890, 889, 27, 888, 883, 882, 881, 880, 879,
+	878, 69, 877, 876, 874, 28, 13, 873, 872, 44,
+	26, 871, 870, 864, 37, 47, 863, 38, 857, 855,
+	854, 853, 30, 17, 852, 11, 851, 7, 850, 849,
+	3, 847, 19, 844, 2, 843, 4, 50, 842, 841,
+	0, 319, 840, 839, 92,
 }
 
 var yyR1 = [...]uint8{
@@ -1955,29 +1952,29 @@ var yyR1 = [...]uint8{
 	48, 48, 48, 48, 50, 50, 52, 52, 51, 51,
 	54, 54, 54, 54, 55, 55, 37, 37, 37, 37,
 	37, 37, 37, 103, 103, 57, 57, 56, 56, 56,
-	56, 56, 56, 56, 56, 56, 56, 56, 56, 67,
-	67, 67, 67, 67, 67, 58, 58, 58, 58, 58,
-	58, 58, 33, 33, 68, 68, 68, 74, 69, 69,
-	61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
+	56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
+	56, 67, 67, 67, 67, 67, 67, 58, 58, 58,
+	58, 58, 58, 58, 33, 33, 68, 68, 68, 74,
+	69, 69, 61, 61, 61, 61, 61, 61, 61, 61,
 	61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
 	61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
-	61, 65, 65, 65, 63, 63, 63, 63, 63, 63,
-	63, 63, 63, 63, 63, 63, 63, 63, 63, 64,
-	64, 64, 64, 64, 64, 64, 64, 184, 184, 66,
-	66, 66, 66, 31, 31, 31, 31, 31, 130, 130,
-	133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
-	133, 133, 133, 78, 78, 32, 32, 76, 76, 77,
-	79, 79, 75, 75, 75, 60, 60, 60, 60, 60,
-	60, 60, 60, 62, 62, 62, 80, 80, 81, 81,
-	82, 82, 83, 83, 84, 85, 85, 85, 86, 86,
-	86, 86, 87, 87, 87, 59, 59, 59, 59, 59,
-	59, 88, 88, 88, 88, 92, 92, 70, 70, 72,
-	72, 71, 73, 93, 93, 97, 94, 94, 98, 98,
-	98, 96, 96, 96, 122, 122, 122, 101, 101, 109,
-	109, 110, 110, 102, 102, 111, 111, 111, 111, 111,
-	111, 111, 111, 111, 111, 112, 112, 112, 113, 113,
-	114, 114, 114, 121, 121, 117, 117, 118, 118, 123,
-	123, 124, 124, 115, 115, 115, 115, 115, 115, 115,
+	61, 61, 61, 65, 65, 65, 63, 63, 63, 63,
+	63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
+	63, 64, 64, 64, 64, 64, 64, 64, 64, 184,
+	184, 66, 66, 66, 66, 31, 31, 31, 31, 31,
+	130, 130, 133, 133, 133, 133, 133, 133, 133, 133,
+	133, 133, 133, 133, 133, 78, 78, 32, 32, 76,
+	76, 77, 79, 79, 75, 75, 75, 60, 60, 60,
+	60, 60, 60, 60, 60, 62, 62, 62, 80, 80,
+	81, 81, 82, 82, 83, 83, 84, 85, 85, 85,
+	86, 86, 86, 86, 87, 87, 87, 59, 59, 59,
+	59, 59, 59, 88, 88, 88, 88, 92, 92, 70,
+	70, 72, 72, 71, 73, 93, 93, 97, 94, 94,
+	98, 98, 98, 96, 96, 96, 122, 122, 122, 101,
+	101, 109, 109, 110, 110, 102, 102, 111, 111, 111,
+	111, 111, 111, 111, 111, 111, 111, 112, 112, 112,
+	113, 113, 114, 114, 114, 121, 121, 117, 117, 118,
+	118, 123, 123, 124, 124, 115, 115, 115, 115, 115,
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
@@ -1986,7 +1983,7 @@ var yyR1 = [...]uint8{
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
 	115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
-	115, 115, 115, 115, 115, 115, 116, 116, 116, 116,
+	115, 115, 115, 115, 115, 115, 115, 115, 115, 116,
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
@@ -1996,7 +1993,8 @@ var yyR1 = [...]uint8{
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
 	116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
-	116, 116, 116, 116, 180, 181, 128, 129, 129, 129,
+	116, 116, 116, 116, 116, 116, 116, 180, 181, 128,
+	129, 129, 129,
 }
 
 var yyR2 = [...]int8{
@@ -2037,28 +2035,28 @@ var yyR2 = [...]int8{
 	2, 3, 2, 3, 2, 2, 2, 1, 1, 3,
 	0, 5, 5, 5, 0, 2, 1, 3, 3, 2,
 	3, 1, 2, 0, 3, 1, 1, 3, 3, 4,
-	4, 5, 3, 4, 3, 4, 5, 6, 2, 1,
-	2, 1, 2, 1, 2, 1, 1, 1, 1, 1,
-	1, 1, 0, 2, 1, 1, 1, 3, 1, 3,
-	1, 1, 1, 1, 1, 3, 3, 3, 3, 3,
+	4, 5, 3, 4, 3, 4, 5, 6, 2, 3,
+	4, 1, 2, 1, 2, 1, 2, 1, 1, 1,
+	1, 1, 1, 1, 0, 2, 1, 1, 1, 3,
+	1, 3, 1, 1, 1, 1, 1, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	2, 2, 2, 2, 2, 2, 3, 1, 1, 1,
-	1, 4, 5, 6, 4, 4, 6, 6, 6, 6,
-	8, 8, 6, 8, 8, 9, 7, 5, 4, 2,
-	2, 2, 2, 2, 2, 2, 2, 0, 2, 4,
-	4, 4, 4, 0, 3, 4, 7, 3, 1, 1,
-	2, 3, 3, 1, 2, 2, 1, 2, 1, 2,
-	2, 1, 2, 0, 1, 0, 2, 1, 2, 4,
-	0, 2, 1, 3, 5, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 2, 2, 0, 3, 0, 2,
-	0, 3, 1, 3, 2, 0, 1, 1, 0, 2,
-	4, 4, 0, 2, 4, 2, 1, 3, 5, 4,
-	6, 1, 3, 3, 5, 0, 5, 1, 3, 1,
-	2, 3, 1, 1, 3, 3, 1, 3, 3, 3,
-	3, 1, 2, 1, 1, 1, 1, 1, 1, 0,
-	2, 0, 3, 0, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 0, 1, 1, 1, 1,
-	0, 1, 1, 0, 2, 1, 1, 1, 1, 1,
+	3, 3, 2, 2, 2, 2, 2, 2, 3, 1,
+	1, 1, 1, 4, 5, 6, 4, 4, 6, 6,
+	6, 6, 8, 8, 6, 8, 8, 9, 7, 5,
+	4, 2, 2, 2, 2, 2, 2, 2, 2, 0,
+	2, 4, 4, 4, 4, 0, 3, 4, 7, 3,
+	1, 1, 2, 3, 3, 1, 2, 2, 1, 2,
+	1, 2, 2, 1, 2, 0, 1, 0, 2, 1,
+	2, 4, 0, 2, 1, 3, 5, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 2, 2, 0, 3,
+	0, 2, 0, 3, 1, 3, 2, 0, 1, 1,
+	0, 2, 4, 4, 0, 2, 4, 2, 1, 3,
+	5, 4, 6, 1, 3, 3, 5, 0, 5, 1,
+	3, 1, 2, 3, 1, 1, 3, 3, 1, 3,
+	3, 3, 3, 1, 2, 1, 1, 1, 1, 1,
+	1, 0, 2, 0, 3, 0, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 0, 1, 1,
+	1, 1, 0, 1, 1, 0, 2, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -2078,289 +2076,292 @@ var yyR2 = [...]int8{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 0, 0, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
+	0, 1, 1,
 }
 
 var yyChk = [...]int16{
 	-1000, -178, -1, -2, -6, -7, -8, -9, -10, -11,
 	-12, -13, -14, -15, -17, -18, -19, -21, -22, -23,
 	-20, -3, -4, 6, 7, -27, 9, 10, 30, -16,
-	113, 114, 116, 115, 141, 117, 134, 49, 153, 154,
-	156, 157, 25, 135, 136, 139, 140, -180, 8, 236,
-	53, -179, 251, -82, 15, -26, 5, -24, -183, -24,
-	-24, -24, -24, -24, -159, 53, -114, 122, 70, 149,
-	228, 119, 120, 126, -117, 56, -116, 244, 153, 164,
-	158, 185, 177, 175, 178, 215, 65, 156, 224, 137,
-	173, 169, 167, 27, 190, 249, 168, 132, 131, 191,
-	195, 216, 162, 163, 218, 189, 133, 32, 246, 34,
-	145, 219, 193, 188, 184, 187, 161, 183, 38, 197,
-	196, 198, 214, 180, 170, 18, 222, 140, 143, 192,
-	194, 127, 147, 248, 220, 166, 144, 139, 223, 157,
-	217, 226, 37, 202, 160, 130, 154, 151, 181, 146,
-	171, 172, 186, 159, 182, 155, 148, 141, 225, 203,
-	250, 179, 176, 152, 150, 207, 208, 209, 210, 247,
-	221, 174, 204, -102, 122, 124, 120, 120, 121, 122,
-	228, 119, 120, -51, -123, 56, -116, 122, 149, 120,
-	107, 178, 113, 205, 121, 32, 147, -132, 120, -104,
-	150, 207, 208, 209, 210, 56, 217, 216, 211, -123,
-	155, -128, -128, -128, -128, -128, -2, -86, 17, 16,
+	114, 115, 117, 116, 142, 118, 135, 49, 154, 155,
+	157, 158, 25, 136, 137, 140, 141, -180, 8, 237,
+	53, -179, 252, -82, 15, -26, 5, -24, -183, -24,
+	-24, -24, -24, -24, -159, 53, -114, 123, 70, 150,
+	229, 120, 121, 127, -117, 56, -116, 245, 154, 165,
+	159, 186, 178, 176, 179, 216, 65, 157, 225, 138,
+	174, 170, 168, 27, 191, 250, 169, 133, 132, 192,
+	196, 217, 163, 164, 219, 190, 134, 32, 247, 34,
+	146, 220, 194, 189, 185, 188, 162, 184, 38, 198,
+	197, 199, 215, 181, 171, 18, 223, 141, 144, 193,
+	195, 128, 148, 249, 221, 167, 145, 140, 224, 158,
+	218, 227, 37, 203, 161, 131, 155, 152, 182, 147,
+	172, 173, 187, 160, 183, 156, 149, 142, 226, 204,
+	251, 180, 177, 153, 151, 208, 209, 210, 211, 248,
+	222, 175, 205, -102, 123, 125, 121, 121, 122, 123,
+	229, 120, 121, -51, -123, 56, -116, 123, 150, 121,
+	108, 179, 114, 206, 122, 32, 148, -132, 121, -104,
+	151, 208, 209, 210, 211, 56, 218, 217, 212, -123,
+	156, -128, -128, -128, -128, -128, -2, -86, 17, 16,
 	-5, -3, -180, 6, 20, 21, -30, 39, 40, -25,
-	-36, 98, -37, -123, -56, 72, -61, 29, 56, -116,
-	23, -60, -57, -75, -73, -74, 107, 108, 96, 97,
-	104, 73, 109, -65, -63, -64, -66, 58, 57, 66,
+	-36, 99, -37, -123, -56, 72, -61, 29, 56, -116,
+	23, -60, -57, -75, -73, -74, 108, 109, 97, 98,
+	105, 73, 110, -65, -63, -64, -66, 58, 57, 66,
 	59, 60, 61, 62, 67, 68, 69, -117, -71, -180,
-	43, 44, 237, 238, 239, 240, 243, 241, 75, 33,
-	227, 235, 234, 233, 231, 232, 229, 230, 125, 228,
-	102, 236, -102, -39, -40, -41, -42, -53, -74, -180,
-	-51, 11, -46, -51, -94, -131, 155, -98, 217, 216,
-	-118, -96, -117, -115, 215, 178, 214, 118, 71, 22,
-	24, 200, 74, 107, 16, 75, 106, 237, 113, 47,
-	229, 230, 227, 239, 240, 228, 205, 29, 10, 25,
-	135, 21, 100, 115, 78, 79, 138, 23, 136, 69,
-	19, 50, 11, 13, 14, 125, 124, 90, 121, 45,
-	8, 109, 26, 87, 41, 28, 43, 88, 17, 231,
-	232, 31, 243, 142, 102, 48, 35, 72, 67, 51,
-	70, 15, 46, 89, 116, 236, 44, 119, 6, 242,
-	30, 134, 91, 42, 120, 206, 77, 123, 68, 5,
-	126, 9, 49, 52, 233, 234, 235, 33, 76, 12,
-	-160, -155, 56, 121, -51, 236, -117, -110, 125, -110,
-	-110, 120, -51, -51, -109, 125, 56, -109, -109, -109,
-	-51, 110, -51, 56, 30, 228, 56, 147, 120, 148,
-	122, -129, -180, -118, -129, -129, -129, 151, 152, -129,
-	-105, 212, 51, -129, -181, 55, -87, 19, 31, -37,
-	-123, -83, -84, -37, -82, -2, -24, 35, -28, 21,
-	64, 11, -120, 71, 70, 87, -119, 22, -117, 58,
-	110, -37, -58, 90, 72, 88, 89, 91, 74, 93,
-	92, 103, 96, 97, 98, 99, 100, 101, 102, 94,
-	95, 106, 80, 81, 82, 83, 84, 85, 86, -103,
-	-180, -74, -180, 111, 112, -61, -61, -61, -61, -61,
-	-61, -61, -180, -2, -69, -37, -180, -180, -180, -180,
-	-180, -180, -180, -180, -180, -78, -37, -180, -184, -180,
-	-184, -184, -184, -184, -184, -184, -184, -180, -180, -180,
-	-180, -52, 26, -51, 30, 54, -47, -49, -48, -50,
-	41, 45, 47, 42, 43, 44, 48, -127, 22, -39,
-	-180, -126, 143, -125, 22, -123, 58, -51, -46, -182,
-	54, 11, 52, 54, -94, 155, -95, -99, 218, 220,
-	80, -122, -117, 58, 29, 30, 55, 54, -134, -137,
-	-139, -138, -140, -135, -136, 175, 176, 107, 179, 181,
-	182, 183, 184, 185, 186, 187, 188, 189, 190, 30,
-	137, 171, 172, 173, 174, 191, 192, 193, 194, 195,
-	196, 197, 198, 158, 159, 160, 161, 162, 163, 164,
-	166, 167, 168, 169, 170, 56, -129, 122, -176, 52,
-	56, 72, 56, -51, -51, -129, 123, -51, 23, 51,
-	-51, 56, 56, -124, -123, -115, -129, -129, -129, -129,
-	-129, -129, -129, -129, -129, -129, -107, 206, 213, -51,
-	9, 90, 54, 18, 110, 54, -85, 24, 25, -86,
-	-181, -30, -62, -117, 59, 62, -29, 42, -51, -37,
-	-37, -67, 67, 72, 68, 69, -119, 98, -124, -118,
-	-115, -61, -68, -71, -74, 63, 90, 88, 89, 91,
-	74, -61, -61, -61, -61, -61, -61, -61, -61, -61,
-	-61, -61, -61, -61, -61, -61, -61, -130, 56, 58,
-	56, -60, -60, -117, -35, 21, -34, -36, -181, 54,
-	-181, -2, -34, -34, -37, -37, -75, -117, -123, -75,
-	-34, -28, -76, -77, 76, -75, -181, -34, -35, -34,
-	-34, -90, 143, -51, -93, -97, -75, -40, -41, -41,
-	-40, -41, 41, 41, 41, 46, 41, 46, 41, -48,
-	-123, -181, -54, 49, 124, 50, -180, -125, -90, 52,
-	-39, -51, -98, -95, 54, 219, 221, 222, 51, -37,
-	-146, 106, -161, -162, -163, -118, 58, 59, -155, -156,
-	-164, 127, 130, 126, -157, 121, 28, -151, 67, 72,
-	-147, 203, -141, 53, -141, -141, -141, -141, -145, 178,
-	-145, -145, -145, 53, 53, -141, -141, -141, -149, 53,
-	-149, -149, -150, 53, -150, -121, 52, -51, -174, 247,
-	-175, 56, -129, 23, -129, -111, 118, 115, 116, -171,
-	114, 200, 178, 65, 29, 15, 237, 143, 250, 56,
-	144, -51, -51, -129, -106, 11, 90, 37, -37, -37,
-	-124, -84, -87, -101, 19, 11, 33, 33, -34, 67,
-	68, 69, 110, -180, -68, -61, -61, -61, -61, -33,
-	138, 71, -181, -181, -34, 54, -37, -181, -181, -181,
-	54, 52, 22, 54, 11, 110, 54, 11, -181, -34,
-	-79, -77, 78, -37, -181, -181, -181, -181, -181, -59,
-	30, 33, -2, -180, -180, -55, 54, 12, 80, -44,
-	-43, 51, 52, -45, 51, -43, 41, 41, 121, 121,
-	121, -91, -117, -55, -39, -55, -99, -100, 223, 220,
-	226, 56, 54, -163, 80, 53, 28, -157, -157, 56,
-	56, -142, 29, 67, -148, 204, 59, -145, -145, -146,
-	30, -146, -146, -146, -154, 58, -154, 59, 59, 51,
-	-117, -129, -173, -172, -118, -128, -177, 149, 128, 129,
-	132, 131, 56, 121, 28, 127, 130, 143, 126, -177,
-	149, -112, -113, 123, 22, 121, 28, 143, -129, -108,
-	88, 12, -123, -123, 38, 110, -51, -38, 11, 98,
-	-118, -35, -33, 71, -61, -61, -181, -36, -133, 107,
-	175, 137, 173, 169, 189, 180, 202, 171, 203, -130,
-	-133, -61, -61, -118, -61, -61, 244, -82, 79, -37,
-	77, -92, 51, -93, -70, -72, -71, -180, -2, -88,
-	-117, -91, -82, -97, -37, -37, -37, 53, -37, -180,
-	-180, -180, -181, 54, -82, -55, 220, 224, 225, -162,
-	-163, -166, -165, -117, 56, 56, -144, 51, 58, 59,
-	60, 67, 227, 66, 55, -146, -146, 56, 107, 55,
-	54, 55, 54, 55, 54, -51, 54, 80, -128, -117,
-	-128, -117, -51, -128, -117, 58, -37, -55, -39, -181,
-	-61, -181, -141, -141, -141, -150, -141, 163, -141, 163,
-	-181, -181, -181, 54, 19, -181, 54, 19, -180, -32,
-	242, -37, 27, -92, 54, -181, -181, -181, 54, 110,
-	-181, -86, -89, -117, -89, -89, -89, -126, -117, -86,
-	55, 54, -141, -152, 200, 9, -145, 58, -145, 59,
-	59, -129, -172, -163, 53, 26, -80, 13, -145, 56,
-	-61, -61, -61, -61, -61, -181, 58, 28, -72, 33,
-	-2, -180, -117, -117, 54, 55, -181, -181, -181, -54,
-	-168, -167, 52, 133, 65, -165, -153, 127, 28, 126,
-	227, -146, -146, 55, 55, -89, -180, -81, 14, 16,
-	-181, -181, -181, -181, -31, 90, 247, 9, -70, -2,
-	110, -117, -167, 56, -158, 80, 58, -143, 65, 28,
-	28, 55, -169, -170, 143, -37, -69, -181, 245, 48,
-	248, -93, -181, -117, 59, 58, -176, -181, 54, -117,
-	38, 246, 249, -174, -170, 33, 38, 145, 247, 146,
-	248, -180, 249, -61, 142, -181, -181,
+	43, 44, 238, 239, 240, 241, 244, 242, 75, 33,
+	228, 236, 235, 234, 232, 233, 230, 231, 126, 229,
+	103, 237, -102, -39, -40, -41, -42, -53, -74, -180,
+	-51, 11, -46, -51, -94, -131, 156, -98, 218, 217,
+	-118, -96, -117, -115, 216, 179, 215, 119, 71, 22,
+	24, 201, 74, 108, 16, 75, 107, 238, 114, 47,
+	230, 231, 228, 240, 241, 229, 206, 29, 10, 25,
+	136, 21, 101, 116, 78, 79, 139, 23, 137, 69,
+	19, 50, 11, 13, 14, 126, 125, 90, 122, 45,
+	8, 110, 26, 87, 41, 28, 43, 88, 17, 232,
+	233, 31, 244, 143, 103, 48, 35, 72, 67, 51,
+	70, 15, 46, 89, 117, 237, 44, 120, 6, 243,
+	30, 135, 91, 42, 92, 121, 207, 77, 124, 68,
+	5, 127, 9, 49, 52, 234, 235, 236, 33, 76,
+	12, -160, -155, 56, 122, -51, 237, -117, -110, 126,
+	-110, -110, 121, -51, -51, -109, 126, 56, -109, -109,
+	-109, -51, 111, -51, 56, 30, 229, 56, 148, 121,
+	149, 123, -129, -180, -118, -129, -129, -129, 152, 153,
+	-129, -105, 213, 51, -129, -181, 55, -87, 19, 31,
+	-37, -123, -83, -84, -37, -82, -2, -24, 35, -28,
+	21, 64, 11, -120, 71, 70, 87, -119, 22, -117,
+	58, 111, -37, -58, 90, 72, 88, 89, 91, 74,
+	92, 94, 93, 104, 97, 98, 99, 100, 101, 102,
+	103, 95, 96, 107, 80, 81, 82, 83, 84, 85,
+	86, -103, -180, -74, -180, 112, 113, -61, -61, -61,
+	-61, -61, -61, -61, -180, -2, -69, -37, -180, -180,
+	-180, -180, -180, -180, -180, -180, -180, -78, -37, -180,
+	-184, -180, -184, -184, -184, -184, -184, -184, -184, -180,
+	-180, -180, -180, -52, 26, -51, 30, 54, -47, -49,
+	-48, -50, 41, 45, 47, 42, 43, 44, 48, -127,
+	22, -39, -180, -126, 144, -125, 22, -123, 58, -51,
+	-46, -182, 54, 11, 52, 54, -94, 156, -95, -99,
+	219, 221, 80, -122, -117, 58, 29, 30, 55, 54,
+	-134, -137, -139, -138, -140, -135, -136, 176, 177, 108,
+	180, 182, 183, 184, 185, 186, 187, 188, 189, 190,
+	191, 30, 138, 172, 173, 174, 175, 192, 193, 194,
+	195, 196, 197, 198, 199, 159, 160, 161, 162, 163,
+	164, 165, 167, 168, 169, 170, 171, 56, -129, 123,
+	-176, 52, 56, 72, 56, -51, -51, -129, 124, -51,
+	23, 51, -51, 56, 56, -124, -123, -115, -129, -129,
+	-129, -129, -129, -129, -129, -129, -129, -129, -107, 207,
+	214, -51, 9, 90, 54, 18, 111, 54, -85, 24,
+	25, -86, -181, -30, -62, -117, 59, 62, -29, 42,
+	-51, -37, -37, -67, 67, 72, 68, 69, -119, 99,
+	-124, -118, -115, -61, -68, -71, -74, 63, 90, 88,
+	89, 91, 74, 92, -61, -61, -61, -61, -61, -61,
+	-61, -61, -61, -61, -61, -61, -61, -61, -61, -61,
+	-61, -130, 56, 58, 56, -60, -60, -117, -35, 21,
+	-34, -36, -181, 54, -181, -2, -34, -34, -37, -37,
+	-75, -117, -123, -75, -34, -28, -76, -77, 76, -75,
+	-181, -34, -35, -34, -34, -90, 144, -51, -93, -97,
+	-75, -40, -41, -41, -40, -41, 41, 41, 41, 46,
+	41, 46, 41, -48, -123, -181, -54, 49, 125, 50,
+	-180, -125, -90, 52, -39, -51, -98, -95, 54, 220,
+	222, 223, 51, -37, -146, 107, -161, -162, -163, -118,
+	58, 59, -155, -156, -164, 128, 131, 127, -157, 122,
+	28, -151, 67, 72, -147, 204, -141, 53, -141, -141,
+	-141, -141, -145, 179, -145, -145, -145, 53, 53, -141,
+	-141, -141, -149, 53, -149, -149, -150, 53, -150, -121,
+	52, -51, -174, 248, -175, 56, -129, 23, -129, -111,
+	119, 116, 117, -171, 115, 201, 179, 65, 29, 15,
+	238, 144, 251, 56, 145, -51, -51, -129, -106, 11,
+	90, 37, -37, -37, -124, -84, -87, -101, 19, 11,
+	33, 33, -34, 67, 68, 69, 111, -180, -68, -61,
+	-61, -61, -61, -61, -33, 139, 71, -181, -181, -34,
+	54, -37, -181, -181, -181, 54, 52, 22, 54, 11,
+	111, 54, 11, -181, -34, -79, -77, 78, -37, -181,
+	-181, -181, -181, -181, -59, 30, 33, -2, -180, -180,
+	-55, 54, 12, 80, -44, -43, 51, 52, -45, 51,
+	-43, 41, 41, 122, 122, 122, -91, -117, -55, -39,
+	-55, -99, -100, 224, 221, 227, 56, 54, -163, 80,
+	53, 28, -157, -157, 56, 56, -142, 29, 67, -148,
+	205, 59, -145, -145, -146, 30, -146, -146, -146, -154,
+	58, -154, 59, 59, 51, -117, -129, -173, -172, -118,
+	-128, -177, 150, 129, 130, 133, 132, 56, 122, 28,
+	128, 131, 144, 127, -177, 150, -112, -113, 124, 22,
+	122, 28, 144, -129, -108, 88, 12, -123, -123, 38,
+	111, -51, -38, 11, 99, -118, -35, -33, 71, -61,
+	-61, -181, -36, -133, 108, 176, 138, 174, 170, 190,
+	181, 203, 172, 204, -130, -133, -61, -61, -118, -61,
+	-61, 245, -82, 79, -37, 77, -92, 51, -93, -70,
+	-72, -71, -180, -2, -88, -117, -91, -82, -97, -37,
+	-37, -37, 53, -37, -180, -180, -180, -181, 54, -82,
+	-55, 221, 225, 226, -162, -163, -166, -165, -117, 56,
+	56, -144, 51, 58, 59, 60, 67, 228, 66, 55,
+	-146, -146, 56, 108, 55, 54, 55, 54, 55, 54,
+	-51, 54, 80, -128, -117, -128, -117, -51, -128, -117,
+	58, -37, -55, -39, -181, -61, -181, -141, -141, -141,
+	-150, -141, 164, -141, 164, -181, -181, -181, 54, 19,
+	-181, 54, 19, -180, -32, 243, -37, 27, -92, 54,
+	-181, -181, -181, 54, 111, -181, -86, -89, -117, -89,
+	-89, -89, -126, -117, -86, 55, 54, -141, -152, 201,
+	9, -145, 58, -145, 59, 59, -129, -172, -163, 53,
+	26, -80, 13, -145, 56, -61, -61, -61, -61, -61,
+	-181, 58, 28, -72, 33, -2, -180, -117, -117, 54,
+	55, -181, -181, -181, -54, -168, -167, 52, 134, 65,
+	-165, -153, 128, 28, 127, 228, -146, -146, 55, 55,
+	-89, -180, -81, 14, 16, -181, -181, -181, -181, -31,
+	90, 248, 9, -70, -2, 111, -117, -167, 56, -158,
+	80, 58, -143, 65, 28, 28, 55, -169, -170, 144,
+	-37, -69, -181, 246, 48, 249, -93, -181, -117, 59,
+	58, -176, -181, 54, -117, 38, 247, 250, -174, -170,
+	33, 38, 146, 248, 147, 249, -180, 250, -61, 143,
+	-181, -181,
 }
 
 var yyDef = [...]int16{
 	0, -2, 2, -2, 5, 6, 7, 8, 9, 10,
 	11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-	21, 510, 0, 277, 277, 277, 277, 277, 277, 0,
-	580, 563, 0, 0, 0, 0, -2, 267, 268, 0,
-	270, 271, 786, 786, 786, 786, 786, 0, 33, 34,
-	784, 1, 3, 518, 0, 0, 281, 284, 279, 0,
-	563, 0, 0, 0, 60, 0, 0, 773, 0, 774,
-	561, 561, 561, 581, 582, 585, 586, 686, 687, 688,
-	689, 690, 691, 692, 693, 694, 695, 696, 697, 698,
-	699, 700, 701, 702, 703, 704, 705, 706, 707, 708,
-	709, 710, 711, 712, 713, 714, 715, 716, 717, 718,
-	719, 720, 721, 722, 723, 724, 725, 726, 727, 728,
-	729, 730, 731, 732, 733, 734, 735, 736, 737, 738,
-	739, 740, 741, 742, 743, 744, 745, 746, 747, 748,
-	749, 750, 751, 752, 753, 754, 755, 756, 757, 758,
-	759, 760, 761, 762, 763, 764, 765, 766, 767, 768,
-	769, 770, 771, 772, 775, 776, 777, 778, 779, 780,
-	781, 782, 783, 0, 0, 564, 0, 559, 0, 559,
-	559, 559, 0, 226, 348, 589, 590, 773, 774, 0,
-	0, 0, 0, 787, 787, 787, 787, 0, 787, 255,
-	244, 246, 247, 248, 249, 787, 264, 265, 254, 266,
-	269, 272, 273, 274, 275, 276, 27, 522, 0, 0,
-	510, 29, 0, 277, 282, 283, 287, 285, 286, 278,
+	21, 512, 0, 277, 277, 277, 277, 277, 277, 0,
+	582, 565, 0, 0, 0, 0, -2, 267, 268, 0,
+	270, 271, 789, 789, 789, 789, 789, 0, 33, 34,
+	787, 1, 3, 520, 0, 0, 281, 284, 279, 0,
+	565, 0, 0, 0, 60, 0, 0, 776, 0, 777,
+	563, 563, 563, 583, 584, 587, 588, 689, 690, 691,
+	692, 693, 694, 695, 696, 697, 698, 699, 700, 701,
+	702, 703, 704, 705, 706, 707, 708, 709, 710, 711,
+	712, 713, 714, 715, 716, 717, 718, 719, 720, 721,
+	722, 723, 724, 725, 726, 727, 728, 729, 730, 731,
+	732, 733, 734, 735, 736, 737, 738, 739, 740, 741,
+	742, 743, 744, 745, 746, 747, 748, 749, 750, 751,
+	752, 753, 754, 755, 756, 757, 758, 759, 760, 761,
+	762, 763, 764, 765, 766, 767, 768, 769, 770, 771,
+	772, 773, 774, 775, 778, 779, 780, 781, 782, 783,
+	784, 785, 786, 0, 0, 566, 0, 561, 0, 561,
+	561, 561, 0, 226, 348, 591, 592, 776, 777, 0,
+	0, 0, 0, 790, 790, 790, 790, 0, 790, 255,
+	244, 246, 247, 248, 249, 790, 264, 265, 254, 266,
+	269, 272, 273, 274, 275, 276, 27, 524, 0, 0,
+	512, 29, 0, 277, 282, 283, 287, 285, 286, 278,
 	0, 295, 299, 0, 356, 0, 361, 363, -2, -2,
-	0, 400, 401, 402, 403, 404, 0, 0, 0, 0,
-	0, 0, 0, 427, 428, 429, 430, 495, 496, 497,
-	498, 499, 500, 501, 502, 365, 366, 492, 542, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 483, 0,
-	457, 457, 457, 457, 457, 457, 457, 457, 0, 0,
+	0, 402, 403, 404, 405, 406, 0, 0, 0, 0,
+	0, 0, 0, 429, 430, 431, 432, 497, 498, 499,
+	500, 501, 502, 503, 504, 365, 366, 494, 544, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 485, 0,
+	459, 459, 459, 459, 459, 459, 459, 459, 0, 0,
 	0, 0, 0, 0, 306, 308, 309, 310, 329, 0,
-	331, 0, 0, 41, 45, 0, 764, 546, -2, -2,
-	0, 0, 587, 588, -2, 693, -2, 593, 594, 595,
-	596, 597, 598, 599, 600, 601, 602, 603, 604, 605,
-	606, 607, 608, 609, 610, 611, 612, 613, 614, 615,
-	616, 617, 618, 619, 620, 621, 622, 623, 624, 625,
-	626, 627, 628, 629, 630, 631, 632, 633, 634, 635,
-	636, 637, 638, 639, 640, 641, 642, 643, 644, 645,
-	646, 647, 648, 649, 650, 651, 652, 653, 654, 655,
-	656, 657, 658, 659, 660, 661, 662, 663, 664, 665,
-	666, 667, 668, 669, 670, 671, 672, 673, 674, 675,
-	676, 677, 678, 679, 680, 681, 682, 683, 684, 685,
-	0, 77, 0, 0, 787, 0, 67, 0, 0, 0,
-	0, 0, 787, 0, 0, 0, 0, 0, 0, 0,
-	225, 0, 227, 787, 787, 787, 787, 787, 787, 787,
-	787, 236, 788, 789, 237, 238, 239, 787, 787, 241,
-	0, 256, 0, 250, 28, 785, 22, 0, 0, 519,
-	0, 511, 512, 515, 518, 27, 284, 0, 289, 288,
-	280, 0, 296, 0, 0, 0, 300, 0, 302, 303,
-	0, 359, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 385, 386, 387, 388, 389, 390, 391, 362,
-	0, 378, 0, 0, 0, 420, 421, 422, 423, 424,
-	425, 0, 291, 27, 0, 398, 0, 0, 0, 0,
-	0, 0, 0, 0, 287, 0, 484, 0, 449, 0,
-	450, 451, 452, 453, 454, 455, 456, 0, 291, 0,
-	0, 43, 0, 347, 0, 0, 0, 0, 0, 0,
-	336, 0, 0, 339, 0, 0, 0, 0, 330, 0,
-	0, 350, 737, 332, 0, 334, 335, -2, 0, 0,
-	0, 39, 40, 0, 46, 764, 48, 49, 0, 0,
-	0, 157, 554, 555, 556, 552, 185, 0, 140, 136,
-	82, 83, 84, 129, 86, 129, 129, 129, 129, 154,
-	154, 154, 154, 112, 113, 114, 115, 116, 0, 0,
-	99, 129, 129, 129, 103, 119, 120, 121, 122, 123,
-	124, 125, 126, 87, 88, 89, 90, 91, 92, 93,
-	131, 131, 131, 133, 133, 583, 62, 0, 70, 0,
-	787, 0, 787, 75, 0, 201, 0, 220, 560, 0,
-	787, 223, 224, 349, 591, 592, 228, 229, 230, 231,
-	232, 233, 234, 235, 240, 243, 257, 251, 252, 245,
-	523, 0, 0, 0, 0, 0, 514, 516, 517, 522,
-	30, 287, 0, 503, 0, 0, 0, 290, 25, 357,
-	358, 360, 379, 0, 381, 383, 301, 297, 0, 493,
-	-2, 367, 368, 394, 395, 396, 0, 0, 0, 0,
-	0, 392, 372, 374, 0, 405, 406, 407, 408, 409,
-	410, 411, 412, 413, 414, 415, 416, 419, 468, 469,
-	0, 417, 418, 426, 0, 0, 292, 293, 397, 0,
-	541, 27, 0, 0, 0, 0, 0, 492, 0, 0,
-	0, 0, 490, 487, 0, 0, 458, 0, 0, 0,
-	0, 0, 0, 346, 354, 543, 0, 307, 325, 327,
-	0, 322, 337, 338, 340, 0, 342, 0, 344, 345,
-	311, 312, 313, 0, 0, 0, 0, 333, 354, 0,
-	354, 42, 547, 47, 0, 0, 52, 53, 548, 549,
-	550, 0, 76, 186, 188, 191, 192, 193, 78, 79,
-	0, 0, 0, 0, 0, 180, 181, 143, 141, 0,
-	138, 137, 85, 0, 154, 154, 106, 107, 157, 0,
-	157, 157, 157, 0, 0, 100, 101, 102, 94, 0,
-	95, 96, 97, 0, 98, 0, 0, 787, 64, 0,
-	68, 69, 65, 562, 66, 786, 0, 0, 575, 202,
-	565, 566, 567, 568, 569, 570, 571, 572, 573, 574,
-	0, 219, 787, 222, 260, 0, 0, 0, 520, 521,
-	0, 513, 23, 0, 557, 558, 504, 505, 304, 380,
-	382, 384, 0, 291, 369, 392, 373, 375, 0, 370,
-	0, 0, 364, 431, 0, 0, 399, -2, 434, 435,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 510,
-	0, 488, 0, 0, 448, 459, 460, 461, 462, 535,
-	0, 0, -2, 0, 0, 510, 0, 0, 0, 319,
-	326, 0, 0, 320, 0, 321, 341, 343, 0, 0,
-	0, 0, 317, 510, 354, 38, 50, 51, 0, 0,
-	57, 158, 0, 189, 0, 0, 175, 0, 0, 178,
-	179, 150, 0, 142, 81, 139, 0, 157, 157, 108,
-	0, 109, 110, 111, 0, 127, 0, 0, 0, 0,
-	584, 63, 71, 72, 0, 194, 786, 0, 203, 204,
-	205, 206, 207, 208, 209, 210, 211, 212, 213, 786,
-	0, 0, 786, 576, 577, 578, 579, 0, 221, 242,
-	0, 0, 258, 259, 524, 0, 24, 354, 0, 298,
-	494, 0, 371, 0, 393, 376, 432, 294, 0, 129,
-	129, 473, 129, 133, 476, 129, 478, 129, 481, 0,
-	0, 0, 0, 493, 0, 0, 0, 485, 447, 491,
-	0, 31, 0, 535, 525, 537, 539, 0, 27, 0,
-	531, 0, 518, 544, 355, 545, 323, 0, 328, 0,
-	0, 0, 331, 0, 518, 37, 54, 55, 56, 187,
-	190, 0, 182, 129, 176, 177, 152, 0, 144, 145,
-	146, 147, 148, 149, 130, 104, 105, 155, 156, 154,
-	0, 154, 0, 134, 0, 787, 0, 0, 195, 0,
-	196, 198, 199, 200, 0, 261, 262, 506, 305, 433,
-	377, 436, 470, 154, 474, 475, 477, 479, 480, 482,
-	438, 437, 439, 0, 0, 442, 0, 0, 0, 0,
-	0, 489, 0, 32, 0, 540, -2, 0, 0, 0,
-	44, 35, 0, 315, 0, 0, 0, 350, 318, 36,
-	167, 0, 184, 159, 153, 0, 157, 128, 157, 0,
-	0, 61, 73, 74, 0, 0, 508, 0, 471, 472,
-	0, 0, 0, 0, 463, 446, 486, 0, 538, 0,
-	-2, 0, 533, 532, 0, 324, 351, 352, 353, 314,
-	166, 168, 0, 173, 0, 183, 164, 0, 161, 163,
-	151, 117, 118, 132, 135, 0, 0, 26, 0, 0,
-	440, 441, 443, 444, 0, 0, 0, 0, 528, 27,
-	0, 316, 169, 170, 0, 174, 172, 80, 0, 160,
-	162, 67, 0, 215, 0, 509, 507, 445, 0, 0,
-	0, 536, -2, 534, 171, 165, 70, 214, 0, 0,
-	464, 0, 467, 197, 216, 0, 465, 0, 0, 0,
-	0, 0, 466, 0, 0, 217, 218,
+	331, 0, 0, 41, 45, 0, 767, 548, -2, -2,
+	0, 0, 589, 590, -2, 696, -2, 595, 596, 597,
+	598, 599, 600, 601, 602, 603, 604, 605, 606, 607,
+	608, 609, 610, 611, 612, 613, 614, 615, 616, 617,
+	618, 619, 620, 621, 622, 623, 624, 625, 626, 627,
+	628, 629, 630, 631, 632, 633, 634, 635, 636, 637,
+	638, 639, 640, 641, 642, 643, 644, 645, 646, 647,
+	648, 649, 650, 651, 652, 653, 654, 655, 656, 657,
+	658, 659, 660, 661, 662, 663, 664, 665, 666, 667,
+	668, 669, 670, 671, 672, 673, 674, 675, 676, 677,
+	678, 679, 680, 681, 682, 683, 684, 685, 686, 687,
+	688, 0, 77, 0, 0, 790, 0, 67, 0, 0,
+	0, 0, 0, 790, 0, 0, 0, 0, 0, 0,
+	0, 225, 0, 227, 790, 790, 790, 790, 790, 790,
+	790, 790, 236, 791, 792, 237, 238, 239, 790, 790,
+	241, 0, 256, 0, 250, 28, 788, 22, 0, 0,
+	521, 0, 513, 514, 517, 520, 27, 284, 0, 289,
+	288, 280, 0, 296, 0, 0, 0, 300, 0, 302,
+	303, 0, 359, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 387, 388, 389, 390, 391, 392,
+	393, 362, 0, 378, 0, 0, 0, 422, 423, 424,
+	425, 426, 427, 0, 291, 27, 0, 400, 0, 0,
+	0, 0, 0, 0, 0, 0, 287, 0, 486, 0,
+	451, 0, 452, 453, 454, 455, 456, 457, 458, 0,
+	291, 0, 0, 43, 0, 347, 0, 0, 0, 0,
+	0, 0, 336, 0, 0, 339, 0, 0, 0, 0,
+	330, 0, 0, 350, 740, 332, 0, 334, 335, -2,
+	0, 0, 0, 39, 40, 0, 46, 767, 48, 49,
+	0, 0, 0, 157, 556, 557, 558, 554, 185, 0,
+	140, 136, 82, 83, 84, 129, 86, 129, 129, 129,
+	129, 154, 154, 154, 154, 112, 113, 114, 115, 116,
+	0, 0, 99, 129, 129, 129, 103, 119, 120, 121,
+	122, 123, 124, 125, 126, 87, 88, 89, 90, 91,
+	92, 93, 131, 131, 131, 133, 133, 585, 62, 0,
+	70, 0, 790, 0, 790, 75, 0, 201, 0, 220,
+	562, 0, 790, 223, 224, 349, 593, 594, 228, 229,
+	230, 231, 232, 233, 234, 235, 240, 243, 257, 251,
+	252, 245, 525, 0, 0, 0, 0, 0, 516, 518,
+	519, 524, 30, 287, 0, 505, 0, 0, 0, 290,
+	25, 357, 358, 360, 381, 0, 383, 385, 301, 297,
+	0, 495, -2, 367, 368, 396, 397, 398, 0, 0,
+	0, 0, 0, 0, 394, 372, 374, 0, 379, 407,
+	408, 409, 410, 411, 412, 413, 414, 415, 416, 417,
+	418, 421, 470, 471, 0, 419, 420, 428, 0, 0,
+	292, 293, 399, 0, 543, 27, 0, 0, 0, 0,
+	0, 494, 0, 0, 0, 0, 492, 489, 0, 0,
+	460, 0, 0, 0, 0, 0, 0, 346, 354, 545,
+	0, 307, 325, 327, 0, 322, 337, 338, 340, 0,
+	342, 0, 344, 345, 311, 312, 313, 0, 0, 0,
+	0, 333, 354, 0, 354, 42, 549, 47, 0, 0,
+	52, 53, 550, 551, 552, 0, 76, 186, 188, 191,
+	192, 193, 78, 79, 0, 0, 0, 0, 0, 180,
+	181, 143, 141, 0, 138, 137, 85, 0, 154, 154,
+	106, 107, 157, 0, 157, 157, 157, 0, 0, 100,
+	101, 102, 94, 0, 95, 96, 97, 0, 98, 0,
+	0, 790, 64, 0, 68, 69, 65, 564, 66, 789,
+	0, 0, 577, 202, 567, 568, 569, 570, 571, 572,
+	573, 574, 575, 576, 0, 219, 790, 222, 260, 0,
+	0, 0, 522, 523, 0, 515, 23, 0, 559, 560,
+	506, 507, 304, 382, 384, 386, 0, 291, 369, 394,
+	373, 375, 0, 380, 370, 0, 0, 364, 433, 0,
+	0, 401, -2, 436, 437, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 512, 0, 490, 0, 0, 450,
+	461, 462, 463, 464, 537, 0, 0, -2, 0, 0,
+	512, 0, 0, 0, 319, 326, 0, 0, 320, 0,
+	321, 341, 343, 0, 0, 0, 0, 317, 512, 354,
+	38, 50, 51, 0, 0, 57, 158, 0, 189, 0,
+	0, 175, 0, 0, 178, 179, 150, 0, 142, 81,
+	139, 0, 157, 157, 108, 0, 109, 110, 111, 0,
+	127, 0, 0, 0, 0, 586, 63, 71, 72, 0,
+	194, 789, 0, 203, 204, 205, 206, 207, 208, 209,
+	210, 211, 212, 213, 789, 0, 0, 789, 578, 579,
+	580, 581, 0, 221, 242, 0, 0, 258, 259, 526,
+	0, 24, 354, 0, 298, 496, 0, 371, 0, 395,
+	376, 434, 294, 0, 129, 129, 475, 129, 133, 478,
+	129, 480, 129, 483, 0, 0, 0, 0, 495, 0,
+	0, 0, 487, 449, 493, 0, 31, 0, 537, 527,
+	539, 541, 0, 27, 0, 533, 0, 520, 546, 355,
+	547, 323, 0, 328, 0, 0, 0, 331, 0, 520,
+	37, 54, 55, 56, 187, 190, 0, 182, 129, 176,
+	177, 152, 0, 144, 145, 146, 147, 148, 149, 130,
+	104, 105, 155, 156, 154, 0, 154, 0, 134, 0,
+	790, 0, 0, 195, 0, 196, 198, 199, 200, 0,
+	261, 262, 508, 305, 435, 377, 438, 472, 154, 476,
+	477, 479, 481, 482, 484, 440, 439, 441, 0, 0,
+	444, 0, 0, 0, 0, 0, 491, 0, 32, 0,
+	542, -2, 0, 0, 0, 44, 35, 0, 315, 0,
+	0, 0, 350, 318, 36, 167, 0, 184, 159, 153,
+	0, 157, 128, 157, 0, 0, 61, 73, 74, 0,
+	0, 510, 0, 473, 474, 0, 0, 0, 0, 465,
+	448, 488, 0, 540, 0, -2, 0, 535, 534, 0,
+	324, 351, 352, 353, 314, 166, 168, 0, 173, 0,
+	183, 164, 0, 161, 163, 151, 117, 118, 132, 135,
+	0, 0, 26, 0, 0, 442, 443, 445, 446, 0,
+	0, 0, 0, 530, 27, 0, 316, 169, 170, 0,
+	174, 172, 80, 0, 160, 162, 67, 0, 215, 0,
+	511, 509, 447, 0, 0, 0, 538, -2, 536, 171,
+	165, 70, 214, 0, 0, 466, 0, 469, 197, 216,
+	0, 467, 0, 0, 0, 0, 0, 468, 0, 0,
+	217, 218,
 }
 
 var yyTok1 = [...]uint8{
 	1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 73, 3, 3, 3, 101, 93, 3,
-	53, 55, 98, 96, 54, 97, 110, 99, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 251,
+	3, 3, 3, 73, 3, 3, 3, 102, 94, 3,
+	53, 55, 99, 97, 54, 98, 111, 100, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 252,
 	81, 80, 82, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 103, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 104, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 92, 3, 104,
+	3, 3, 3, 3, 93, 3, 105,
 }
 
 var yyTok2 = [...]uint8{
@@ -2372,8 +2373,8 @@ var yyTok2 = [...]uint8{
 	52, 56, 57, 58, 59, 60, 61, 62, 63, 64,
 	65, 66, 67, 68, 69, 70, 71, 72, 74, 75,
 	76, 77, 78, 79, 83, 84, 85, 86, 87, 88,
-	89, 90, 91, 94, 95, 100, 102, 105, 106, 107,
-	108, 109, 111, 112, 113, 114, 115, 116, 117, 118,
+	89, 90, 91, 92, 95, 96, 101, 103, 106, 107,
+	108, 109, 110, 112, 113, 114, 115, 116, 117, 118,
 	119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
 	129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
 	139, 140, 141, 142, 143, 144, 145, 146, 147, 148,
@@ -2387,7 +2388,7 @@ var yyTok2 = [...]uint8{
 	219, 220, 221, 222, 223, 224, 225, 226, 227, 228,
 	229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
 	239, 240, 241, 242, 243, 244, 245, 246, 247, 248,
-	249, 250,
+	249, 250, 251,
 }
 
 var yyTok3 = [...]int8{
@@ -2733,29 +2734,29 @@ yydefault:
 
 	case 1:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:302
+//line sql.y:303
 		{
 			setParseTree(yylex, yyDollar[1].statement)
 		}
 	case 2:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:307
+//line sql.y:308
 		{
 		}
 	case 3:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:308
+//line sql.y:309
 		{
 		}
 	case 4:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:312
+//line sql.y:313
 		{
 			yyVAL.statement = yyDollar[1].selStmt
 		}
 	case 22:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:335
+//line sql.y:336
 		{
 			sel := yyDollar[1].selStmt.(*Select)
 			sel.OrderBy = yyDollar[2].orderBy
@@ -2765,55 +2766,55 @@ yydefault:
 		}
 	case 23:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:343
+//line sql.y:344
 		{
 			yyVAL.selStmt = &Union{Type: yyDollar[2].str, Left: yyDollar[1].selStmt, Right: yyDollar[3].selStmt, OrderBy: yyDollar[4].orderBy, Limit: yyDollar[5].limit, Lock: yyDollar[6].str}
 		}
 	case 24:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:347
+//line sql.y:348
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, SelectExprs: SelectExprs{Nextval{Expr: yyDollar[5].expr}}, From: TableExprs{&AliasedTableExpr{Expr: yyDollar[7].tableName}}}
 		}
 	case 25:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:353
+//line sql.y:354
 		{
 			yyVAL.statement = &Stream{Comments: Comments(yyDollar[2].bytes2), SelectExpr: yyDollar[3].selectExpr, Table: yyDollar[5].tableName}
 		}
 	case 26:
 		yyDollar = yyS[yypt-10 : yypt+1]
-//line sql.y:360
+//line sql.y:361
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, Distinct: yyDollar[4].str, Hints: yyDollar[5].str, SelectExprs: yyDollar[6].selectExprs, From: yyDollar[7].tableExprs, Where: NewWhere(WhereStr, yyDollar[8].expr), GroupBy: GroupBy(yyDollar[9].exprs), Having: NewWhere(HavingStr, yyDollar[10].expr)}
 		}
 	case 27:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:366
+//line sql.y:367
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 28:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:370
+//line sql.y:371
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 29:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:376
+//line sql.y:377
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 30:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:380
+//line sql.y:381
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 31:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:387
+//line sql.y:388
 		{
 			// insert_data returns a *Insert pre-filled with Columns & Values
 			ins := yyDollar[6].ins
@@ -2827,7 +2828,7 @@ yydefault:
 		}
 	case 32:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:399
+//line sql.y:400
 		{
 			cols := make(Columns, 0, len(yyDollar[7].updateExprs))
 			vals := make(ValTuple, 0, len(yyDollar[8].updateExprs))
@@ -2839,193 +2840,193 @@ yydefault:
 		}
 	case 33:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:411
+//line sql.y:412
 		{
 			yyVAL.str = InsertStr
 		}
 	case 34:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:415
+//line sql.y:416
 		{
 			yyVAL.str = ReplaceStr
 		}
 	case 35:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:421
+//line sql.y:422
 		{
 			yyVAL.statement = &Update{Comments: Comments(yyDollar[2].bytes2), TableExprs: yyDollar[3].tableExprs, Exprs: yyDollar[5].updateExprs, Where: NewWhere(WhereStr, yyDollar[6].expr), OrderBy: yyDollar[7].orderBy, Limit: yyDollar[8].limit}
 		}
 	case 36:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:427
+//line sql.y:428
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), TableExprs: TableExprs{&AliasedTableExpr{Expr: yyDollar[4].tableName}}, Partitions: yyDollar[5].partitions, Where: NewWhere(WhereStr, yyDollar[6].expr), OrderBy: yyDollar[7].orderBy, Limit: yyDollar[8].limit}
 		}
 	case 37:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:431
+//line sql.y:432
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), Targets: yyDollar[4].tableNames, TableExprs: yyDollar[6].tableExprs, Where: NewWhere(WhereStr, yyDollar[7].expr)}
 		}
 	case 38:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:435
+//line sql.y:436
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), Targets: yyDollar[3].tableNames, TableExprs: yyDollar[5].tableExprs, Where: NewWhere(WhereStr, yyDollar[6].expr)}
 		}
 	case 39:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:440
+//line sql.y:441
 		{
 		}
 	case 40:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:441
+//line sql.y:442
 		{
 		}
 	case 41:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:445
+//line sql.y:446
 		{
 			yyVAL.tableNames = TableNames{yyDollar[1].tableName}
 		}
 	case 42:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:449
+//line sql.y:450
 		{
 			yyVAL.tableNames = append(yyVAL.tableNames, yyDollar[3].tableName)
 		}
 	case 43:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:454
+//line sql.y:455
 		{
 			yyVAL.partitions = nil
 		}
 	case 44:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:458
+//line sql.y:459
 		{
 			yyVAL.partitions = yyDollar[3].partitions
 		}
 	case 45:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:464
+//line sql.y:465
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[3].setExprs}
 		}
 	case 46:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:468
+//line sql.y:469
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Scope: yyDollar[3].str, Exprs: yyDollar[4].setExprs}
 		}
 	case 47:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:472
+//line sql.y:473
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Scope: yyDollar[3].str, Exprs: yyDollar[5].setExprs}
 		}
 	case 48:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:476
+//line sql.y:477
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[4].setExprs}
 		}
 	case 49:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:482
+//line sql.y:483
 		{
 			yyVAL.setExprs = SetExprs{yyDollar[1].setExpr}
 		}
 	case 50:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:486
+//line sql.y:487
 		{
 			yyVAL.setExprs = append(yyVAL.setExprs, yyDollar[3].setExpr)
 		}
 	case 51:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:492
+//line sql.y:493
 		{
 			yyVAL.setExpr = yyDollar[3].setExpr
 		}
 	case 52:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:496
+//line sql.y:497
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_read_only"), Expr: NewIntVal([]byte("0"))}
 		}
 	case 53:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:500
+//line sql.y:501
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_read_only"), Expr: NewIntVal([]byte("1"))}
 		}
 	case 54:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:506
+//line sql.y:507
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_isolation"), Expr: NewStrVal([]byte("repeatable read"))}
 		}
 	case 55:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:510
+//line sql.y:511
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_isolation"), Expr: NewStrVal([]byte("read committed"))}
 		}
 	case 56:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:514
+//line sql.y:515
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_isolation"), Expr: NewStrVal([]byte("read uncommitted"))}
 		}
 	case 57:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:518
+//line sql.y:519
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent("tx_isolation"), Expr: NewStrVal([]byte("serializable"))}
 		}
 	case 58:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:524
+//line sql.y:525
 		{
 			yyVAL.str = SessionStr
 		}
 	case 59:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:528
+//line sql.y:529
 		{
 			yyVAL.str = GlobalStr
 		}
 	case 60:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:534
+//line sql.y:535
 		{
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
 			yyVAL.statement = yyDollar[1].ddl
 		}
 	case 61:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:539
+//line sql.y:540
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[7].tableName, NewName: yyDollar[7].tableName}
 		}
 	case 62:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:544
+//line sql.y:545
 		{
 			yyVAL.statement = &DDL{Action: CreateStr, NewName: yyDollar[3].tableName.ToViewName()}
 		}
 	case 63:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:548
+//line sql.y:549
 		{
 			yyVAL.statement = &DDL{Action: CreateStr, NewName: yyDollar[5].tableName.ToViewName()}
 		}
 	case 64:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:552
+//line sql.y:553
 		{
 			yyVAL.statement = &DDL{Action: CreateVindexStr, VindexSpec: &VindexSpec{
 				Name:   yyDollar[3].colIdent,
@@ -3035,102 +3036,102 @@ yydefault:
 		}
 	case 65:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:560
+//line sql.y:561
 		{
 			yyVAL.statement = &DBDDL{Action: CreateStr, DBName: string(yyDollar[4].bytes)}
 		}
 	case 66:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:564
+//line sql.y:565
 		{
 			yyVAL.statement = &DBDDL{Action: CreateStr, DBName: string(yyDollar[4].bytes)}
 		}
 	case 67:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:569
+//line sql.y:570
 		{
 			yyVAL.colIdent = NewColIdent("")
 		}
 	case 68:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:573
+//line sql.y:574
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
 	case 69:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:579
+//line sql.y:580
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 70:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:584
+//line sql.y:585
 		{
 			var v []VindexParam
 			yyVAL.vindexParams = v
 		}
 	case 71:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:589
+//line sql.y:590
 		{
 			yyVAL.vindexParams = yyDollar[2].vindexParams
 		}
 	case 72:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:595
+//line sql.y:596
 		{
 			yyVAL.vindexParams = make([]VindexParam, 0, 4)
 			yyVAL.vindexParams = append(yyVAL.vindexParams, yyDollar[1].vindexParam)
 		}
 	case 73:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:600
+//line sql.y:601
 		{
 			yyVAL.vindexParams = append(yyVAL.vindexParams, yyDollar[3].vindexParam)
 		}
 	case 74:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:606
+//line sql.y:607
 		{
 			yyVAL.vindexParam = VindexParam{Key: yyDollar[1].colIdent, Val: yyDollar[3].str}
 		}
 	case 75:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:612
+//line sql.y:613
 		{
 			yyVAL.ddl = &DDL{Action: CreateStr, NewName: yyDollar[4].tableName}
 			setDDL(yylex, yyVAL.ddl)
 		}
 	case 76:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:619
+//line sql.y:620
 		{
 			yyVAL.TableSpec = yyDollar[2].TableSpec
 			yyVAL.TableSpec.Options = yyDollar[4].str
 		}
 	case 77:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:626
+//line sql.y:627
 		{
 			yyVAL.TableSpec = &TableSpec{}
 			yyVAL.TableSpec.AddColumn(yyDollar[1].columnDefinition)
 		}
 	case 78:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:631
+//line sql.y:632
 		{
 			yyVAL.TableSpec.AddColumn(yyDollar[3].columnDefinition)
 		}
 	case 79:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:635
+//line sql.y:636
 		{
 			yyVAL.TableSpec.AddIndex(yyDollar[3].indexDefinition)
 		}
 	case 80:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:641
+//line sql.y:642
 		{
 			yyDollar[2].columnType.NotNull = yyDollar[3].boolVal
 			yyDollar[2].columnType.Default = yyDollar[4].optVal
@@ -3142,7 +3143,7 @@ yydefault:
 		}
 	case 81:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:652
+//line sql.y:653
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Unsigned = yyDollar[2].boolVal
@@ -3150,62 +3151,62 @@ yydefault:
 		}
 	case 85:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:663
+//line sql.y:664
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Length = yyDollar[2].optVal
 		}
 	case 86:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:668
+//line sql.y:669
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 		}
 	case 87:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:674
+//line sql.y:675
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 88:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:678
+//line sql.y:679
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 89:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:682
+//line sql.y:683
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 90:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:686
+//line sql.y:687
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 91:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:690
+//line sql.y:691
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 92:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:694
+//line sql.y:695
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 93:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:698
+//line sql.y:699
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 94:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:704
+//line sql.y:705
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
@@ -3213,7 +3214,7 @@ yydefault:
 		}
 	case 95:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:710
+//line sql.y:711
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
@@ -3221,7 +3222,7 @@ yydefault:
 		}
 	case 96:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:716
+//line sql.y:717
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
@@ -3229,7 +3230,7 @@ yydefault:
 		}
 	case 97:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:722
+//line sql.y:723
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
@@ -3237,7 +3238,7 @@ yydefault:
 		}
 	case 98:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:728
+//line sql.y:729
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
@@ -3245,206 +3246,206 @@ yydefault:
 		}
 	case 99:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:736
+//line sql.y:737
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 100:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:740
+//line sql.y:741
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 101:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:744
+//line sql.y:745
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 102:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:748
+//line sql.y:749
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 103:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:752
+//line sql.y:753
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 104:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:758
+//line sql.y:759
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
 	case 105:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:762
+//line sql.y:763
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
 	case 106:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:766
+//line sql.y:767
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 107:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:770
+//line sql.y:771
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 108:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:774
+//line sql.y:775
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
 	case 109:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:778
+//line sql.y:779
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
 	case 110:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:782
+//line sql.y:783
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
 	case 111:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:786
+//line sql.y:787
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
 	case 112:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:790
+//line sql.y:791
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 113:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:794
+//line sql.y:795
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:798
+//line sql.y:799
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 115:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:802
+//line sql.y:803
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 116:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:806
+//line sql.y:807
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 117:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:810
+//line sql.y:811
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs, Charset: yyDollar[5].str, Collate: yyDollar[6].str}
 		}
 	case 118:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:815
+//line sql.y:816
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs, Charset: yyDollar[5].str, Collate: yyDollar[6].str}
 		}
 	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:821
+//line sql.y:822
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 120:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:825
+//line sql.y:826
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 121:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:829
+//line sql.y:830
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 122:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:833
+//line sql.y:834
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 123:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:837
+//line sql.y:838
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 124:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:841
+//line sql.y:842
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 125:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:845
+//line sql.y:846
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 126:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:849
+//line sql.y:850
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 127:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:855
+//line sql.y:856
 		{
 			yyVAL.strs = make([]string, 0, 4)
 			yyVAL.strs = append(yyVAL.strs, "'"+string(yyDollar[1].bytes)+"'")
 		}
 	case 128:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:860
+//line sql.y:861
 		{
 			yyVAL.strs = append(yyDollar[1].strs, "'"+string(yyDollar[3].bytes)+"'")
 		}
 	case 129:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:865
+//line sql.y:866
 		{
 			yyVAL.optVal = nil
 		}
 	case 130:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:869
+//line sql.y:870
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
 	case 131:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:874
+//line sql.y:875
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
 	case 132:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:878
+//line sql.y:879
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -3453,13 +3454,13 @@ yydefault:
 		}
 	case 133:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:886
+//line sql.y:887
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
 	case 134:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:890
+//line sql.y:891
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -3467,7 +3468,7 @@ yydefault:
 		}
 	case 135:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:896
+//line sql.y:897
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -3476,374 +3477,374 @@ yydefault:
 		}
 	case 136:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:904
+//line sql.y:905
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 137:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:908
+//line sql.y:909
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 138:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:913
+//line sql.y:914
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 139:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:917
+//line sql.y:918
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 140:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:923
+//line sql.y:924
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 141:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:927
+//line sql.y:928
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 142:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:931
+//line sql.y:932
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 143:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:936
+//line sql.y:937
 		{
 			yyVAL.optVal = nil
 		}
 	case 144:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:940
+//line sql.y:941
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
 	case 145:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:944
+//line sql.y:945
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
 	case 146:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:948
+//line sql.y:949
 		{
 			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
 		}
 	case 147:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:952
+//line sql.y:953
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
 	case 148:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:956
+//line sql.y:957
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
 	case 149:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:960
+//line sql.y:961
 		{
 			yyVAL.optVal = NewBitVal(yyDollar[2].bytes)
 		}
 	case 150:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:965
+//line sql.y:966
 		{
 			yyVAL.optVal = nil
 		}
 	case 151:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:969
+//line sql.y:970
 		{
 			yyVAL.optVal = NewValArg(yyDollar[3].bytes)
 		}
 	case 152:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:974
+//line sql.y:975
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 153:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:978
+//line sql.y:979
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 154:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:983
+//line sql.y:984
 		{
 			yyVAL.str = ""
 		}
 	case 155:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:987
+//line sql.y:988
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
 	case 156:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:991
+//line sql.y:992
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
 	case 157:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:996
+//line sql.y:997
 		{
 			yyVAL.str = ""
 		}
 	case 158:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1000
+//line sql.y:1001
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 159:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1005
+//line sql.y:1006
 		{
 			yyVAL.colKeyOpt = colKeyNone
 		}
 	case 160:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1009
+//line sql.y:1010
 		{
 			yyVAL.colKeyOpt = colKeyPrimary
 		}
 	case 161:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1013
+//line sql.y:1014
 		{
 			yyVAL.colKeyOpt = colKey
 		}
 	case 162:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1017
+//line sql.y:1018
 		{
 			yyVAL.colKeyOpt = colKeyUniqueKey
 		}
 	case 163:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1021
+//line sql.y:1022
 		{
 			yyVAL.colKeyOpt = colKeyUnique
 		}
 	case 164:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1026
+//line sql.y:1027
 		{
 			yyVAL.optVal = nil
 		}
 	case 165:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1030
+//line sql.y:1031
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
 	case 166:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1036
+//line sql.y:1037
 		{
 			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns, Options: yyDollar[5].indexOptions}
 		}
 	case 167:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1040
+//line sql.y:1041
 		{
 			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns}
 		}
 	case 168:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1046
+//line sql.y:1047
 		{
 			yyVAL.indexOptions = []*IndexOption{yyDollar[1].indexOption}
 		}
 	case 169:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1050
+//line sql.y:1051
 		{
 			yyVAL.indexOptions = append(yyVAL.indexOptions, yyDollar[2].indexOption)
 		}
 	case 170:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1056
+//line sql.y:1057
 		{
 			yyVAL.indexOption = &IndexOption{Name: string(yyDollar[1].bytes), Using: string(yyDollar[2].bytes)}
 		}
 	case 171:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1060
+//line sql.y:1061
 		{
 			// should not be string
 			yyVAL.indexOption = &IndexOption{Name: string(yyDollar[1].bytes), Value: NewIntVal(yyDollar[3].bytes)}
 		}
 	case 172:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1065
+//line sql.y:1066
 		{
 			yyVAL.indexOption = &IndexOption{Name: string(yyDollar[1].bytes), Value: NewStrVal(yyDollar[2].bytes)}
 		}
 	case 173:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1071
+//line sql.y:1072
 		{
 			yyVAL.str = ""
 		}
 	case 174:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1075
+//line sql.y:1076
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 175:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1081
+//line sql.y:1082
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].bytes), Name: NewColIdent("PRIMARY"), Primary: true, Unique: true}
 		}
 	case 176:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1085
+//line sql.y:1086
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Spatial: true, Unique: false}
 		}
 	case 177:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1089
+//line sql.y:1090
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Unique: true}
 		}
 	case 178:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1093
+//line sql.y:1094
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: true}
 		}
 	case 179:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1097
+//line sql.y:1098
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].str), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: false}
 		}
 	case 180:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1103
+//line sql.y:1104
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 181:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1107
+//line sql.y:1108
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 182:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1113
+//line sql.y:1114
 		{
 			yyVAL.indexColumns = []*IndexColumn{yyDollar[1].indexColumn}
 		}
 	case 183:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1117
+//line sql.y:1118
 		{
 			yyVAL.indexColumns = append(yyVAL.indexColumns, yyDollar[3].indexColumn)
 		}
 	case 184:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1123
+//line sql.y:1124
 		{
 			yyVAL.indexColumn = &IndexColumn{Column: yyDollar[1].colIdent, Length: yyDollar[2].optVal}
 		}
 	case 185:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1128
+//line sql.y:1129
 		{
 			yyVAL.str = ""
 		}
 	case 186:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1132
+//line sql.y:1133
 		{
 			yyVAL.str = " " + string(yyDollar[1].str)
 		}
 	case 187:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1136
+//line sql.y:1137
 		{
 			yyVAL.str = string(yyDollar[1].str) + ", " + string(yyDollar[3].str)
 		}
 	case 188:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1144
+//line sql.y:1145
 		{
 			yyVAL.str = yyDollar[1].str
 		}
 	case 189:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1148
+//line sql.y:1149
 		{
 			yyVAL.str = yyDollar[1].str + " " + yyDollar[2].str
 		}
 	case 190:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1152
+//line sql.y:1153
 		{
 			yyVAL.str = yyDollar[1].str + "=" + yyDollar[3].str
 		}
 	case 191:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1158
+//line sql.y:1159
 		{
 			yyVAL.str = yyDollar[1].colIdent.String()
 		}
 	case 192:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1162
+//line sql.y:1163
 		{
 			yyVAL.str = "'" + string(yyDollar[1].bytes) + "'"
 		}
 	case 193:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1166
+//line sql.y:1167
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 194:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1172
+//line sql.y:1173
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 195:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1176
+//line sql.y:1177
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 196:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1180
+//line sql.y:1181
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 197:
 		yyDollar = yyS[yypt-12 : yypt+1]
-//line sql.y:1184
+//line sql.y:1185
 		{
 			yyVAL.statement = &DDL{
 				Action: AddColVindexStr,
@@ -3858,7 +3859,7 @@ yydefault:
 		}
 	case 198:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1197
+//line sql.y:1198
 		{
 			yyVAL.statement = &DDL{
 				Action: DropColVindexStr,
@@ -3870,69 +3871,69 @@ yydefault:
 		}
 	case 199:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1207
+//line sql.y:1208
 		{
 			// Change this to a rename statement
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[4].tableName, NewName: yyDollar[7].tableName}
 		}
 	case 200:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1212
+//line sql.y:1213
 		{
 			// Rename an index can just be an alter
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 201:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1217
+//line sql.y:1218
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName.ToViewName(), NewName: yyDollar[3].tableName.ToViewName()}
 		}
 	case 202:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1221
+//line sql.y:1222
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, PartitionSpec: yyDollar[5].partSpec}
 		}
 	case 214:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1240
+//line sql.y:1241
 		{
 			yyVAL.partSpec = &PartitionSpec{Action: ReorganizeStr, Name: yyDollar[3].colIdent, Definitions: yyDollar[6].partDefs}
 		}
 	case 215:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1246
+//line sql.y:1247
 		{
 			yyVAL.partDefs = []*PartitionDefinition{yyDollar[1].partDef}
 		}
 	case 216:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1250
+//line sql.y:1251
 		{
 			yyVAL.partDefs = append(yyDollar[1].partDefs, yyDollar[3].partDef)
 		}
 	case 217:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:1256
+//line sql.y:1257
 		{
 			yyVAL.partDef = &PartitionDefinition{Name: yyDollar[2].colIdent, Limit: yyDollar[7].expr}
 		}
 	case 218:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:1260
+//line sql.y:1261
 		{
 			yyVAL.partDef = &PartitionDefinition{Name: yyDollar[2].colIdent, Maxvalue: true}
 		}
 	case 219:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1266
+//line sql.y:1267
 		{
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[3].tableName, NewName: yyDollar[5].tableName}
 		}
 	case 220:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1272
+//line sql.y:1273
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -3942,14 +3943,14 @@ yydefault:
 		}
 	case 221:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1280
+//line sql.y:1281
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[5].tableName, NewName: yyDollar[5].tableName}
 		}
 	case 222:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1285
+//line sql.y:1286
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -3959,121 +3960,121 @@ yydefault:
 		}
 	case 223:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1293
+//line sql.y:1294
 		{
 			yyVAL.statement = &DBDDL{Action: DropStr, DBName: string(yyDollar[4].bytes)}
 		}
 	case 224:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1297
+//line sql.y:1298
 		{
 			yyVAL.statement = &DBDDL{Action: DropStr, DBName: string(yyDollar[4].bytes)}
 		}
 	case 225:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1303
+//line sql.y:1304
 		{
 			yyVAL.statement = &DDL{Action: TruncateStr, Table: yyDollar[3].tableName}
 		}
 	case 226:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1307
+//line sql.y:1308
 		{
 			yyVAL.statement = &DDL{Action: TruncateStr, Table: yyDollar[2].tableName}
 		}
 	case 227:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1312
+//line sql.y:1313
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
 	case 228:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1318
+//line sql.y:1319
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 229:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1322
+//line sql.y:1323
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 230:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1326
+//line sql.y:1327
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 231:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1331
+//line sql.y:1332
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 232:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1335
+//line sql.y:1336
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 233:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1339
+//line sql.y:1340
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 234:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1343
+//line sql.y:1344
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 235:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1347
+//line sql.y:1348
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes) + " " + string(yyDollar[3].bytes)}
 		}
 	case 236:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1351
+//line sql.y:1352
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 237:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1355
+//line sql.y:1356
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 238:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1359
+//line sql.y:1360
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 239:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1363
+//line sql.y:1364
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 240:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1367
+//line sql.y:1368
 		{
 			yyVAL.statement = &Show{Scope: yyDollar[2].str, Type: string(yyDollar[3].bytes)}
 		}
 	case 241:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1371
+//line sql.y:1372
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 242:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1375
+//line sql.y:1376
 		{
 			// this is ugly, but I couldn't find a better way for now
 			if yyDollar[4].str == "processlist" {
@@ -4085,596 +4086,596 @@ yydefault:
 		}
 	case 243:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1385
+//line sql.y:1386
 		{
 			yyVAL.statement = &Show{Scope: yyDollar[2].str, Type: string(yyDollar[3].bytes)}
 		}
 	case 244:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1389
+//line sql.y:1390
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 245:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1393
+//line sql.y:1394
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes), OnTable: yyDollar[4].tableName}
 		}
 	case 246:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1397
+//line sql.y:1398
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 247:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1401
+//line sql.y:1402
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 248:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1405
+//line sql.y:1406
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 249:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1409
+//line sql.y:1410
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 250:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1419
+//line sql.y:1420
 		{
 			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes)}
 		}
 	case 251:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1425
+//line sql.y:1426
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 252:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1429
+//line sql.y:1430
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 253:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1435
+//line sql.y:1436
 		{
 			yyVAL.str = ""
 		}
 	case 254:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1439
+//line sql.y:1440
 		{
 			yyVAL.str = "extended "
 		}
 	case 255:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1445
+//line sql.y:1446
 		{
 			yyVAL.str = ""
 		}
 	case 256:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1449
+//line sql.y:1450
 		{
 			yyVAL.str = "full "
 		}
 	case 257:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1455
+//line sql.y:1456
 		{
 			yyVAL.str = ""
 		}
 	case 258:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1459
+//line sql.y:1460
 		{
 			yyVAL.str = yyDollar[2].tableIdent.v
 		}
 	case 259:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1463
+//line sql.y:1464
 		{
 			yyVAL.str = yyDollar[2].tableIdent.v
 		}
 	case 260:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1469
+//line sql.y:1470
 		{
 			yyVAL.showFilter = nil
 		}
 	case 261:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1473
+//line sql.y:1474
 		{
 			yyVAL.showFilter = &ShowFilter{Like: string(yyDollar[2].bytes)}
 		}
 	case 262:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1477
+//line sql.y:1478
 		{
 			yyVAL.showFilter = &ShowFilter{Filter: yyDollar[2].expr}
 		}
 	case 263:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1483
+//line sql.y:1484
 		{
 			yyVAL.str = ""
 		}
 	case 264:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1487
+//line sql.y:1488
 		{
 			yyVAL.str = SessionStr
 		}
 	case 265:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1491
+//line sql.y:1492
 		{
 			yyVAL.str = GlobalStr
 		}
 	case 266:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1497
+//line sql.y:1498
 		{
 			yyVAL.statement = &Use{DBName: yyDollar[2].tableIdent}
 		}
 	case 267:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1501
+//line sql.y:1502
 		{
 			yyVAL.statement = &Use{DBName: TableIdent{v: ""}}
 		}
 	case 268:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1507
+//line sql.y:1508
 		{
 			yyVAL.statement = &Begin{}
 		}
 	case 269:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1511
+//line sql.y:1512
 		{
 			yyVAL.statement = &Begin{}
 		}
 	case 270:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1517
+//line sql.y:1518
 		{
 			yyVAL.statement = &Commit{}
 		}
 	case 271:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1523
+//line sql.y:1524
 		{
 			yyVAL.statement = &Rollback{}
 		}
 	case 272:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1529
+//line sql.y:1530
 		{
 			yyVAL.statement = &OtherRead{}
 		}
 	case 273:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1533
+//line sql.y:1534
 		{
 			yyVAL.statement = &OtherRead{}
 		}
 	case 274:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1537
+//line sql.y:1538
 		{
 			yyVAL.statement = &OtherRead{}
 		}
 	case 275:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1541
+//line sql.y:1542
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
 	case 276:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1545
+//line sql.y:1546
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
 	case 277:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1550
+//line sql.y:1551
 		{
 			setAllowComments(yylex, true)
 		}
 	case 278:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1554
+//line sql.y:1555
 		{
 			yyVAL.bytes2 = yyDollar[2].bytes2
 			setAllowComments(yylex, false)
 		}
 	case 279:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1560
+//line sql.y:1561
 		{
 			yyVAL.bytes2 = nil
 		}
 	case 280:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1564
+//line sql.y:1565
 		{
 			yyVAL.bytes2 = append(yyDollar[1].bytes2, yyDollar[2].bytes)
 		}
 	case 281:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1570
+//line sql.y:1571
 		{
 			yyVAL.str = UnionStr
 		}
 	case 282:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1574
+//line sql.y:1575
 		{
 			yyVAL.str = UnionAllStr
 		}
 	case 283:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1578
+//line sql.y:1579
 		{
 			yyVAL.str = UnionDistinctStr
 		}
 	case 284:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1583
+//line sql.y:1584
 		{
 			yyVAL.str = ""
 		}
 	case 285:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1587
+//line sql.y:1588
 		{
 			yyVAL.str = SQLNoCacheStr
 		}
 	case 286:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1591
+//line sql.y:1592
 		{
 			yyVAL.str = SQLCacheStr
 		}
 	case 287:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1596
+//line sql.y:1597
 		{
 			yyVAL.str = ""
 		}
 	case 288:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1600
+//line sql.y:1601
 		{
 			yyVAL.str = DistinctStr
 		}
 	case 289:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1605
+//line sql.y:1606
 		{
 			yyVAL.str = ""
 		}
 	case 290:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1609
+//line sql.y:1610
 		{
 			yyVAL.str = StraightJoinHint
 		}
 	case 291:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1614
+//line sql.y:1615
 		{
 			yyVAL.selectExprs = nil
 		}
 	case 292:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1618
+//line sql.y:1619
 		{
 			yyVAL.selectExprs = yyDollar[1].selectExprs
 		}
 	case 293:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1624
+//line sql.y:1625
 		{
 			yyVAL.selectExprs = SelectExprs{yyDollar[1].selectExpr}
 		}
 	case 294:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1628
+//line sql.y:1629
 		{
 			yyVAL.selectExprs = append(yyVAL.selectExprs, yyDollar[3].selectExpr)
 		}
 	case 295:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1634
+//line sql.y:1635
 		{
 			yyVAL.selectExpr = &StarExpr{}
 		}
 	case 296:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1638
+//line sql.y:1639
 		{
 			yyVAL.selectExpr = &AliasedExpr{Expr: yyDollar[1].expr, As: yyDollar[2].colIdent}
 		}
 	case 297:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1642
+//line sql.y:1643
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Name: yyDollar[1].tableIdent}}
 		}
 	case 298:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1646
+//line sql.y:1647
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}}
 		}
 	case 299:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1651
+//line sql.y:1652
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
 	case 300:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1655
+//line sql.y:1656
 		{
 			yyVAL.colIdent = yyDollar[1].colIdent
 		}
 	case 301:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1659
+//line sql.y:1660
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
 	case 303:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1666
+//line sql.y:1667
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 304:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1671
+//line sql.y:1672
 		{
 			yyVAL.tableExprs = TableExprs{&AliasedTableExpr{Expr: TableName{Name: NewTableIdent("dual")}}}
 		}
 	case 305:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1675
+//line sql.y:1676
 		{
 			yyVAL.tableExprs = yyDollar[2].tableExprs
 		}
 	case 306:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1681
+//line sql.y:1682
 		{
 			yyVAL.tableExprs = TableExprs{yyDollar[1].tableExpr}
 		}
 	case 307:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1685
+//line sql.y:1686
 		{
 			yyVAL.tableExprs = append(yyVAL.tableExprs, yyDollar[3].tableExpr)
 		}
 	case 310:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1695
+//line sql.y:1696
 		{
 			yyVAL.tableExpr = yyDollar[1].aliasedTableName
 		}
 	case 311:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1699
+//line sql.y:1700
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery, As: yyDollar[3].tableIdent}
 		}
 	case 312:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1703
+//line sql.y:1704
 		{
 			yyVAL.tableExpr = &ParenTableExpr{Exprs: yyDollar[2].tableExprs}
 		}
 	case 313:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1709
+//line sql.y:1710
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, As: yyDollar[2].tableIdent, Hints: yyDollar[3].indexHints}
 		}
 	case 314:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1713
+//line sql.y:1714
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, Partitions: yyDollar[4].partitions, As: yyDollar[6].tableIdent, Hints: yyDollar[7].indexHints}
 		}
 	case 315:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1719
+//line sql.y:1720
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
 	case 316:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1723
+//line sql.y:1724
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
 	case 317:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1729
+//line sql.y:1730
 		{
 			yyVAL.partitions = Partitions{yyDollar[1].colIdent}
 		}
 	case 318:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1733
+//line sql.y:1734
 		{
 			yyVAL.partitions = append(yyVAL.partitions, yyDollar[3].colIdent)
 		}
 	case 319:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1746
+//line sql.y:1747
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, Condition: yyDollar[4].joinCondition}
 		}
 	case 320:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1750
+//line sql.y:1751
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, Condition: yyDollar[4].joinCondition}
 		}
 	case 321:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1754
+//line sql.y:1755
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, Condition: yyDollar[4].joinCondition}
 		}
 	case 322:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1758
+//line sql.y:1759
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
 	case 323:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1764
+//line sql.y:1765
 		{
 			yyVAL.joinCondition = JoinCondition{On: yyDollar[2].expr}
 		}
 	case 324:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1766
+//line sql.y:1767
 		{
 			yyVAL.joinCondition = JoinCondition{Using: yyDollar[3].columns}
 		}
 	case 325:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1770
+//line sql.y:1771
 		{
 			yyVAL.joinCondition = JoinCondition{}
 		}
 	case 326:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1772
+//line sql.y:1773
 		{
 			yyVAL.joinCondition = yyDollar[1].joinCondition
 		}
 	case 327:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1776
+//line sql.y:1777
 		{
 			yyVAL.joinCondition = JoinCondition{}
 		}
 	case 328:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1778
+//line sql.y:1779
 		{
 			yyVAL.joinCondition = JoinCondition{On: yyDollar[2].expr}
 		}
 	case 329:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1781
+//line sql.y:1782
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 330:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1783
+//line sql.y:1784
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 331:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1786
+//line sql.y:1787
 		{
 			yyVAL.tableIdent = NewTableIdent("")
 		}
 	case 332:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1790
+//line sql.y:1791
 		{
 			yyVAL.tableIdent = yyDollar[1].tableIdent
 		}
 	case 333:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1794
+//line sql.y:1795
 		{
 			yyVAL.tableIdent = yyDollar[2].tableIdent
 		}
 	case 335:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1801
+//line sql.y:1802
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
 	case 336:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1807
+//line sql.y:1808
 		{
 			yyVAL.str = JoinStr
 		}
 	case 337:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1811
+//line sql.y:1812
 		{
 			yyVAL.str = JoinStr
 		}
 	case 338:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1815
+//line sql.y:1816
 		{
 			yyVAL.str = JoinStr
 		}
 	case 339:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1821
+//line sql.y:1822
 		{
 			yyVAL.str = StraightJoinStr
 		}
 	case 340:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1827
+//line sql.y:1828
 		{
 			yyVAL.str = LeftJoinStr
 		}
 	case 341:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1831
+//line sql.y:1832
 		{
 			yyVAL.str = LeftJoinStr
 		}
 	case 342:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1835
+//line sql.y:1836
 		{
 			yyVAL.str = RightJoinStr
 		}
 	case 343:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1839
+//line sql.y:1840
 		{
 			yyVAL.str = RightJoinStr
 		}
 	case 344:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1845
+//line sql.y:1846
 		{
 			yyVAL.str = NaturalJoinStr
 		}
 	case 345:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1849
+//line sql.y:1850
 		{
 			if yyDollar[2].str == LeftJoinStr {
 				yyVAL.str = NaturalLeftJoinStr
@@ -4684,463 +4685,475 @@ yydefault:
 		}
 	case 346:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1859
+//line sql.y:1860
 		{
 			yyVAL.tableName = yyDollar[2].tableName
 		}
 	case 347:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1863
+//line sql.y:1864
 		{
 			yyVAL.tableName = yyDollar[1].tableName
 		}
 	case 348:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1869
+//line sql.y:1870
 		{
 			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
 		}
 	case 349:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1873
+//line sql.y:1874
 		{
 			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
 		}
 	case 350:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1878
+//line sql.y:1879
 		{
 			yyVAL.indexHints = nil
 		}
 	case 351:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1882
+//line sql.y:1883
 		{
 			yyVAL.indexHints = &IndexHints{Type: UseStr, Indexes: yyDollar[4].columns}
 		}
 	case 352:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1886
+//line sql.y:1887
 		{
 			yyVAL.indexHints = &IndexHints{Type: IgnoreStr, Indexes: yyDollar[4].columns}
 		}
 	case 353:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1890
+//line sql.y:1891
 		{
 			yyVAL.indexHints = &IndexHints{Type: ForceStr, Indexes: yyDollar[4].columns}
 		}
 	case 354:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1895
+//line sql.y:1896
 		{
 			yyVAL.expr = nil
 		}
 	case 355:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1899
+//line sql.y:1900
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
 	case 356:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1905
+//line sql.y:1906
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
 	case 357:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1909
+//line sql.y:1910
 		{
 			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
 	case 358:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1913
+//line sql.y:1914
 		{
 			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
 	case 359:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1917
+//line sql.y:1918
 		{
 			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
 		}
 	case 360:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1921
+//line sql.y:1922
 		{
 			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
 		}
 	case 361:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1925
+//line sql.y:1926
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
 	case 362:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1929
+//line sql.y:1930
 		{
 			yyVAL.expr = &Default{ColName: yyDollar[2].str}
 		}
 	case 363:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1935
+//line sql.y:1936
 		{
 			yyVAL.str = ""
 		}
 	case 364:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1939
+//line sql.y:1940
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 365:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1945
+//line sql.y:1946
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 366:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1949
+//line sql.y:1950
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 367:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1955
+//line sql.y:1956
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
 		}
 	case 368:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1959
+//line sql.y:1960
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
 		}
 	case 369:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1963
+//line sql.y:1964
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
 		}
 	case 370:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1967
+//line sql.y:1968
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
 		}
 	case 371:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1971
+//line sql.y:1972
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
 		}
 	case 372:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1975
+//line sql.y:1976
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
 		}
 	case 373:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1979
+//line sql.y:1980
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
 		}
 	case 374:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1983
+//line sql.y:1984
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: StartsWithStr, Right: yyDollar[3].expr}
 		}
 	case 375:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1987
+//line sql.y:1988
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotStartsWithStr, Right: yyDollar[4].expr}
 		}
 	case 376:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1991
+//line sql.y:1992
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
 		}
 	case 377:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1995
+//line sql.y:1996
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
 		}
 	case 378:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1999
+//line sql.y:2000
 		{
 			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
 		}
 	case 379:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:2004
+		{
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: ContainsStr, Right: yyDollar[3].expr}
+		}
+	case 380:
+		yyDollar = yyS[yypt-4 : yypt+1]
+//line sql.y:2008
+		{
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotContainsStr, Right: yyDollar[4].expr}
+		}
+	case 381:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2005
+//line sql.y:2014
 		{
 			yyVAL.str = IsNullStr
 		}
-	case 380:
+	case 382:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2009
+//line sql.y:2018
 		{
 			yyVAL.str = IsNotNullStr
 		}
-	case 381:
+	case 383:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2013
+//line sql.y:2022
 		{
 			yyVAL.str = IsTrueStr
 		}
-	case 382:
+	case 384:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2017
+//line sql.y:2026
 		{
 			yyVAL.str = IsNotTrueStr
 		}
-	case 383:
+	case 385:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2021
+//line sql.y:2030
 		{
 			yyVAL.str = IsFalseStr
 		}
-	case 384:
+	case 386:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2025
+//line sql.y:2034
 		{
 			yyVAL.str = IsNotFalseStr
 		}
-	case 385:
+	case 387:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2031
+//line sql.y:2040
 		{
 			yyVAL.str = EqualStr
 		}
-	case 386:
+	case 388:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2035
+//line sql.y:2044
 		{
 			yyVAL.str = LessThanStr
 		}
-	case 387:
+	case 389:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2039
+//line sql.y:2048
 		{
 			yyVAL.str = GreaterThanStr
 		}
-	case 388:
+	case 390:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2043
+//line sql.y:2052
 		{
 			yyVAL.str = LessEqualStr
 		}
-	case 389:
+	case 391:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2047
+//line sql.y:2056
 		{
 			yyVAL.str = GreaterEqualStr
 		}
-	case 390:
+	case 392:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2051
+//line sql.y:2060
 		{
 			yyVAL.str = NotEqualStr
 		}
-	case 391:
+	case 393:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2055
+//line sql.y:2064
 		{
 			yyVAL.str = NullSafeEqualStr
 		}
-	case 392:
+	case 394:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2060
+//line sql.y:2069
 		{
 			yyVAL.expr = nil
 		}
-	case 393:
+	case 395:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2064
+//line sql.y:2073
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 394:
+	case 396:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2070
+//line sql.y:2079
 		{
 			yyVAL.colTuple = yyDollar[1].valTuple
 		}
-	case 395:
+	case 397:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2074
+//line sql.y:2083
 		{
 			yyVAL.colTuple = yyDollar[1].subquery
 		}
-	case 396:
+	case 398:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2078
+//line sql.y:2087
 		{
 			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
 		}
-	case 397:
+	case 399:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2084
+//line sql.y:2093
 		{
 			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
 		}
-	case 398:
+	case 400:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2090
+//line sql.y:2099
 		{
 			yyVAL.exprs = Exprs{yyDollar[1].expr}
 		}
-	case 399:
+	case 401:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2094
+//line sql.y:2103
 		{
 			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
 		}
-	case 400:
+	case 402:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2100
+//line sql.y:2109
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 401:
+	case 403:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2104
+//line sql.y:2113
 		{
 			yyVAL.expr = yyDollar[1].boolVal
 		}
-	case 402:
+	case 404:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2108
+//line sql.y:2117
 		{
 			yyVAL.expr = yyDollar[1].colName
 		}
-	case 403:
+	case 405:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2112
+//line sql.y:2121
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 404:
+	case 406:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2116
+//line sql.y:2125
 		{
 			yyVAL.expr = yyDollar[1].subquery
 		}
-	case 405:
+	case 407:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2120
+//line sql.y:2129
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
 		}
-	case 406:
+	case 408:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2124
+//line sql.y:2133
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
 		}
-	case 407:
+	case 409:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2128
+//line sql.y:2137
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
 		}
-	case 408:
+	case 410:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2132
+//line sql.y:2141
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
 		}
-	case 409:
+	case 411:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2136
+//line sql.y:2145
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
 		}
-	case 410:
+	case 412:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2140
+//line sql.y:2149
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
 		}
-	case 411:
+	case 413:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2144
+//line sql.y:2153
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
 		}
-	case 412:
+	case 414:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2148
+//line sql.y:2157
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
 		}
-	case 413:
+	case 415:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2152
+//line sql.y:2161
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 414:
+	case 416:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2156
+//line sql.y:2165
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 415:
+	case 417:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2160
+//line sql.y:2169
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
 		}
-	case 416:
+	case 418:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2164
+//line sql.y:2173
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
 		}
-	case 417:
+	case 419:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2168
+//line sql.y:2177
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONExtractOp, Right: yyDollar[3].expr}
 		}
-	case 418:
+	case 420:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2172
+//line sql.y:2181
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONUnquoteExtractOp, Right: yyDollar[3].expr}
 		}
-	case 419:
+	case 421:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2176
+//line sql.y:2185
 		{
 			yyVAL.expr = &CollateExpr{Expr: yyDollar[1].expr, Charset: yyDollar[3].str}
 		}
-	case 420:
+	case 422:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2180
+//line sql.y:2189
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BinaryStr, Expr: yyDollar[2].expr}
 		}
-	case 421:
+	case 423:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2184
+//line sql.y:2193
 		{
 			yyVAL.expr = &UnaryExpr{Operator: UBinaryStr, Expr: yyDollar[2].expr}
 		}
-	case 422:
+	case 424:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2188
+//line sql.y:2197
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				yyVAL.expr = num
@@ -5148,9 +5161,9 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UPlusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 423:
+	case 425:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2196
+//line sql.y:2205
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				// Handle double negative
@@ -5164,21 +5177,21 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UMinusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 424:
+	case 426:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2210
+//line sql.y:2219
 		{
 			yyVAL.expr = &UnaryExpr{Operator: TildaStr, Expr: yyDollar[2].expr}
 		}
-	case 425:
+	case 427:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2214
+//line sql.y:2223
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BangStr, Expr: yyDollar[2].expr}
 		}
-	case 426:
+	case 428:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2218
+//line sql.y:2227
 		{
 			// This rule prevents the usage of INTERVAL
 			// as a function. If support is needed for that,
@@ -5186,431 +5199,431 @@ yydefault:
 			// will be non-trivial because of grammar conflicts.
 			yyVAL.expr = &IntervalExpr{Expr: yyDollar[2].expr, Unit: yyDollar[3].colIdent.String()}
 		}
-	case 431:
+	case 433:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2236
+//line sql.y:2245
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Exprs: yyDollar[3].selectExprs}
 		}
-	case 432:
+	case 434:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2240
+//line sql.y:2249
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Distinct: true, Exprs: yyDollar[4].selectExprs}
 		}
-	case 433:
+	case 435:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2244
+//line sql.y:2253
 		{
 			yyVAL.expr = &FuncExpr{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].colIdent, Exprs: yyDollar[5].selectExprs}
 		}
-	case 434:
+	case 436:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2254
+//line sql.y:2263
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("left"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 435:
+	case 437:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2258
+//line sql.y:2267
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("right"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 436:
+	case 438:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2262
+//line sql.y:2271
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 437:
+	case 439:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2266
+//line sql.y:2275
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 438:
+	case 440:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2270
+//line sql.y:2279
 		{
 			yyVAL.expr = &ConvertUsingExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].str}
 		}
-	case 439:
+	case 441:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2274
+//line sql.y:2283
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: nil}
 		}
-	case 440:
+	case 442:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:2278
+//line sql.y:2287
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: yyDollar[7].expr}
 		}
-	case 441:
+	case 443:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:2282
+//line sql.y:2291
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: yyDollar[7].expr}
 		}
-	case 442:
+	case 444:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2286
+//line sql.y:2295
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: nil}
 		}
-	case 443:
+	case 445:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:2290
+//line sql.y:2299
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: yyDollar[7].expr}
 		}
-	case 444:
+	case 446:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:2294
+//line sql.y:2303
 		{
 			yyVAL.expr = &SubstrExpr{Name: yyDollar[3].colName, From: yyDollar[5].expr, To: yyDollar[7].expr}
 		}
-	case 445:
+	case 447:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:2298
+//line sql.y:2307
 		{
 			yyVAL.expr = &MatchExpr{Columns: yyDollar[3].selectExprs, Expr: yyDollar[7].expr, Option: yyDollar[8].str}
 		}
-	case 446:
+	case 448:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2302
+//line sql.y:2311
 		{
 			yyVAL.expr = &GroupConcatExpr{Distinct: yyDollar[3].str, Exprs: yyDollar[4].selectExprs, OrderBy: yyDollar[5].orderBy, Separator: yyDollar[6].str}
 		}
-	case 447:
+	case 449:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2306
+//line sql.y:2315
 		{
 			yyVAL.expr = &CaseExpr{Expr: yyDollar[2].expr, Whens: yyDollar[3].whens, Else: yyDollar[4].expr}
 		}
-	case 448:
+	case 450:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2310
+//line sql.y:2319
 		{
 			yyVAL.expr = &ValuesFuncExpr{Name: yyDollar[3].colName}
 		}
-	case 449:
+	case 451:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2320
+//line sql.y:2329
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_timestamp")}
 		}
-	case 450:
+	case 452:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2324
+//line sql.y:2333
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_timestamp")}
 		}
-	case 451:
+	case 453:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2328
+//line sql.y:2337
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_time")}
 		}
-	case 452:
+	case 454:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2332
+//line sql.y:2341
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_date")}
 		}
-	case 453:
+	case 455:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2337
+//line sql.y:2346
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtime")}
 		}
-	case 454:
+	case 456:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2342
+//line sql.y:2351
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtimestamp")}
 		}
-	case 455:
+	case 457:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2347
+//line sql.y:2356
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_date")}
 		}
-	case 456:
+	case 458:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2352
+//line sql.y:2361
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_time")}
 		}
-	case 459:
+	case 461:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2366
+//line sql.y:2375
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 460:
+	case 462:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2370
+//line sql.y:2379
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("database"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 461:
+	case 463:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2374
+//line sql.y:2383
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 462:
+	case 464:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2378
+//line sql.y:2387
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 463:
+	case 465:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2384
+//line sql.y:2393
 		{
 			yyVAL.str = ""
 		}
-	case 464:
+	case 466:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2388
+//line sql.y:2397
 		{
 			yyVAL.str = BooleanModeStr
 		}
-	case 465:
+	case 467:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2392
+//line sql.y:2401
 		{
 			yyVAL.str = NaturalLanguageModeStr
 		}
-	case 466:
+	case 468:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2396
+//line sql.y:2405
 		{
 			yyVAL.str = NaturalLanguageModeWithQueryExpansionStr
 		}
-	case 467:
+	case 469:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2400
+//line sql.y:2409
 		{
 			yyVAL.str = QueryExpansionStr
 		}
-	case 468:
+	case 470:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2406
+//line sql.y:2415
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 469:
+	case 471:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2410
+//line sql.y:2419
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 470:
+	case 472:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2416
+//line sql.y:2425
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 471:
+	case 473:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2420
+//line sql.y:2429
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Operator: CharacterSetStr}
 		}
-	case 472:
+	case 474:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2424
+//line sql.y:2433
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: string(yyDollar[3].bytes)}
 		}
-	case 473:
+	case 475:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2428
+//line sql.y:2437
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 474:
+	case 476:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2432
+//line sql.y:2441
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 475:
+	case 477:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2436
+//line sql.y:2445
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 			yyVAL.convertType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.convertType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 476:
+	case 478:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2442
+//line sql.y:2451
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 477:
+	case 479:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2446
+//line sql.y:2455
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 478:
+	case 480:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2450
+//line sql.y:2459
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 479:
+	case 481:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2454
+//line sql.y:2463
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 480:
+	case 482:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2458
+//line sql.y:2467
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 481:
+	case 483:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2462
+//line sql.y:2471
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 482:
+	case 484:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2466
+//line sql.y:2475
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 483:
+	case 485:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2471
+//line sql.y:2480
 		{
 			yyVAL.expr = nil
 		}
-	case 484:
+	case 486:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2475
+//line sql.y:2484
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 485:
+	case 487:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2480
+//line sql.y:2489
 		{
 			yyVAL.str = string("")
 		}
-	case 486:
+	case 488:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2484
+//line sql.y:2493
 		{
 			yyVAL.str = " separator '" + string(yyDollar[2].bytes) + "'"
 		}
-	case 487:
+	case 489:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2490
+//line sql.y:2499
 		{
 			yyVAL.whens = []*When{yyDollar[1].when}
 		}
-	case 488:
+	case 490:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2494
+//line sql.y:2503
 		{
 			yyVAL.whens = append(yyDollar[1].whens, yyDollar[2].when)
 		}
-	case 489:
+	case 491:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2500
+//line sql.y:2509
 		{
 			yyVAL.when = &When{Cond: yyDollar[2].expr, Val: yyDollar[4].expr}
 		}
-	case 490:
+	case 492:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2505
+//line sql.y:2514
 		{
 			yyVAL.expr = nil
 		}
-	case 491:
+	case 493:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2509
+//line sql.y:2518
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 492:
+	case 494:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2515
+//line sql.y:2524
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 493:
+	case 495:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2519
+//line sql.y:2528
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 494:
+	case 496:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2523
+//line sql.y:2532
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 495:
+	case 497:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2529
+//line sql.y:2538
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 496:
+	case 498:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2533
+//line sql.y:2542
 		{
 			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
 		}
-	case 497:
+	case 499:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2537
+//line sql.y:2546
 		{
 			yyVAL.expr = NewBitVal(yyDollar[1].bytes)
 		}
-	case 498:
+	case 500:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2541
+//line sql.y:2550
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 499:
+	case 501:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2545
+//line sql.y:2554
 		{
 			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
 		}
-	case 500:
+	case 502:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2549
+//line sql.y:2558
 		{
 			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
 		}
-	case 501:
+	case 503:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2553
+//line sql.y:2562
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 502:
+	case 504:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2557
+//line sql.y:2566
 		{
 			yyVAL.expr = &NullVal{}
 		}
-	case 503:
+	case 505:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2563
+//line sql.y:2572
 		{
 			// TODO(sougou): Deprecate this construct.
 			if yyDollar[1].colIdent.Lowered() != "value" {
@@ -5619,239 +5632,239 @@ yydefault:
 			}
 			yyVAL.expr = NewIntVal([]byte("1"))
 		}
-	case 504:
+	case 506:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2572
+//line sql.y:2581
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 505:
+	case 507:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2576
+//line sql.y:2585
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 506:
+	case 508:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2581
+//line sql.y:2590
 		{
 			yyVAL.exprs = nil
 		}
-	case 507:
+	case 509:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2585
+//line sql.y:2594
 		{
 			yyVAL.exprs = yyDollar[3].exprs
 		}
-	case 508:
+	case 510:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2590
+//line sql.y:2599
 		{
 			yyVAL.expr = nil
 		}
-	case 509:
+	case 511:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2594
+//line sql.y:2603
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 510:
+	case 512:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2599
+//line sql.y:2608
 		{
 			yyVAL.orderBy = nil
 		}
-	case 511:
+	case 513:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2603
+//line sql.y:2612
 		{
 			yyVAL.orderBy = yyDollar[3].orderBy
 		}
-	case 512:
+	case 514:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2609
+//line sql.y:2618
 		{
 			yyVAL.orderBy = OrderBy{yyDollar[1].order}
 		}
-	case 513:
+	case 515:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2613
+//line sql.y:2622
 		{
 			yyVAL.orderBy = append(yyDollar[1].orderBy, yyDollar[3].order)
 		}
-	case 514:
+	case 516:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2619
+//line sql.y:2628
 		{
 			yyVAL.order = &Order{Expr: yyDollar[1].expr, Direction: yyDollar[2].str}
 		}
-	case 515:
+	case 517:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2624
+//line sql.y:2633
 		{
 			yyVAL.str = AscScr
 		}
-	case 516:
+	case 518:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2628
+//line sql.y:2637
 		{
 			yyVAL.str = AscScr
 		}
-	case 517:
+	case 519:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2632
+//line sql.y:2641
 		{
 			yyVAL.str = DescScr
 		}
-	case 518:
+	case 520:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2637
+//line sql.y:2646
 		{
 			yyVAL.limit = nil
 		}
-	case 519:
+	case 521:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2641
+//line sql.y:2650
 		{
 			yyVAL.limit = &Limit{Rowcount: yyDollar[2].expr}
 		}
-	case 520:
+	case 522:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2645
+//line sql.y:2654
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[2].expr, Rowcount: yyDollar[4].expr}
 		}
-	case 521:
+	case 523:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2649
+//line sql.y:2658
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[4].expr, Rowcount: yyDollar[2].expr}
 		}
-	case 522:
+	case 524:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2654
+//line sql.y:2663
 		{
 			yyVAL.str = ""
 		}
-	case 523:
+	case 525:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2658
+//line sql.y:2667
 		{
 			yyVAL.str = ForUpdateStr
 		}
-	case 524:
+	case 526:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2662
+//line sql.y:2671
 		{
 			yyVAL.str = ShareModeStr
 		}
-	case 525:
+	case 527:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2675
+//line sql.y:2684
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[2].values}
 		}
-	case 526:
+	case 528:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2679
+//line sql.y:2688
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[1].selStmt}
 		}
-	case 527:
+	case 529:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2683
+//line sql.y:2692
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Rows: yyDollar[2].selStmt}
 		}
-	case 528:
+	case 530:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2688
+//line sql.y:2697
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].values}
 		}
-	case 529:
+	case 531:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2692
+//line sql.y:2701
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[4].selStmt}
 		}
-	case 530:
+	case 532:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2696
+//line sql.y:2705
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].selStmt}
 		}
-	case 531:
+	case 533:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2703
+//line sql.y:2712
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 532:
+	case 534:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2707
+//line sql.y:2716
 		{
 			yyVAL.columns = Columns{yyDollar[3].colIdent}
 		}
-	case 533:
+	case 535:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2711
+//line sql.y:2720
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 534:
+	case 536:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2715
+//line sql.y:2724
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[5].colIdent)
 		}
-	case 535:
+	case 537:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2720
+//line sql.y:2729
 		{
 			yyVAL.updateExprs = nil
 		}
-	case 536:
+	case 538:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2724
+//line sql.y:2733
 		{
 			yyVAL.updateExprs = yyDollar[5].updateExprs
 		}
-	case 537:
+	case 539:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2730
+//line sql.y:2739
 		{
 			yyVAL.values = Values{yyDollar[1].valTuple}
 		}
-	case 538:
+	case 540:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2734
+//line sql.y:2743
 		{
 			yyVAL.values = append(yyDollar[1].values, yyDollar[3].valTuple)
 		}
-	case 539:
+	case 541:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2740
+//line sql.y:2749
 		{
 			yyVAL.valTuple = yyDollar[1].valTuple
 		}
-	case 540:
+	case 542:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2744
+//line sql.y:2753
 		{
 			yyVAL.valTuple = ValTuple{}
 		}
-	case 541:
+	case 543:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2750
+//line sql.y:2759
 		{
 			yyVAL.valTuple = ValTuple(yyDollar[2].exprs)
 		}
-	case 542:
+	case 544:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2756
+//line sql.y:2765
 		{
 			if len(yyDollar[1].valTuple) == 1 {
 				yyVAL.expr = &ParenExpr{yyDollar[1].valTuple[0]}
@@ -5859,306 +5872,306 @@ yydefault:
 				yyVAL.expr = yyDollar[1].valTuple
 			}
 		}
-	case 543:
+	case 545:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2766
+//line sql.y:2775
 		{
 			yyVAL.updateExprs = UpdateExprs{yyDollar[1].updateExpr}
 		}
-	case 544:
+	case 546:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2770
+//line sql.y:2779
 		{
 			yyVAL.updateExprs = append(yyDollar[1].updateExprs, yyDollar[3].updateExpr)
 		}
-	case 545:
+	case 547:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2776
+//line sql.y:2785
 		{
 			yyVAL.updateExpr = &UpdateExpr{Name: yyDollar[1].colName, Expr: yyDollar[3].expr}
 		}
-	case 546:
+	case 548:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2782
+//line sql.y:2791
 		{
 			yyVAL.setExprs = SetExprs{yyDollar[1].setExpr}
 		}
-	case 547:
+	case 549:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2786
+//line sql.y:2795
 		{
 			yyVAL.setExprs = append(yyDollar[1].setExprs, yyDollar[3].setExpr)
 		}
-	case 548:
+	case 550:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2792
+//line sql.y:2801
 		{
 			yyVAL.setExpr = &SetExpr{Name: yyDollar[1].colIdent, Expr: NewStrVal([]byte("on"))}
 		}
-	case 549:
+	case 551:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2796
+//line sql.y:2805
 		{
 			yyVAL.setExpr = &SetExpr{Name: yyDollar[1].colIdent, Expr: yyDollar[3].expr}
 		}
-	case 550:
+	case 552:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2800
+//line sql.y:2809
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent(string(yyDollar[1].bytes)), Expr: yyDollar[2].expr}
 		}
-	case 552:
+	case 554:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2807
+//line sql.y:2816
 		{
 			yyVAL.bytes = []byte("charset")
 		}
-	case 554:
+	case 556:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2814
+//line sql.y:2823
 		{
 			yyVAL.expr = NewStrVal([]byte(yyDollar[1].colIdent.String()))
 		}
-	case 555:
+	case 557:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2818
+//line sql.y:2827
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 556:
+	case 558:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2822
+//line sql.y:2831
 		{
 			yyVAL.expr = &Default{}
 		}
-	case 559:
+	case 561:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2831
+//line sql.y:2840
 		{
 			yyVAL.byt = 0
 		}
-	case 560:
+	case 562:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2833
+//line sql.y:2842
 		{
 			yyVAL.byt = 1
 		}
-	case 561:
+	case 563:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2836
+//line sql.y:2845
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 562:
+	case 564:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2838
+//line sql.y:2847
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 563:
+	case 565:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2841
+//line sql.y:2850
 		{
 			yyVAL.str = ""
 		}
-	case 564:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2843
-		{
-			yyVAL.str = IgnoreStr
-		}
-	case 565:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2847
-		{
-			yyVAL.empty = struct{}{}
-		}
 	case 566:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2849
+//line sql.y:2852
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = IgnoreStr
 		}
 	case 567:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2851
+//line sql.y:2856
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 568:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2853
+//line sql.y:2858
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 569:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2855
+//line sql.y:2860
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 570:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2857
+//line sql.y:2862
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 571:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2859
+//line sql.y:2864
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 572:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2861
+//line sql.y:2866
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 573:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2863
+//line sql.y:2868
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 574:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2865
+//line sql.y:2870
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 575:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2868
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:2872
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 576:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2870
+//line sql.y:2874
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 577:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2872
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:2877
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 578:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2876
+//line sql.y:2879
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 579:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2878
+//line sql.y:2881
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 580:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2881
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:2885
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 581:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2883
+//line sql.y:2887
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 582:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2885
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:2890
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 583:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:2892
+		{
+			yyVAL.empty = struct{}{}
+		}
+	case 584:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:2894
+		{
+			yyVAL.empty = struct{}{}
+		}
+	case 585:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2888
+//line sql.y:2897
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
-	case 584:
+	case 586:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2890
+//line sql.y:2899
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
-	case 585:
+	case 587:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2894
+//line sql.y:2903
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 586:
+	case 588:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2898
+//line sql.y:2907
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 588:
+	case 590:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2905
+//line sql.y:2914
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 589:
+	case 591:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2911
+//line sql.y:2920
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 590:
+	case 592:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2915
+//line sql.y:2924
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 592:
+	case 594:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2922
+//line sql.y:2931
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 784:
+	case 787:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3139
+//line sql.y:3149
 		{
 			if incNesting(yylex) {
 				yylex.Error("max nesting level reached")
 				return 1
 			}
 		}
-	case 785:
+	case 788:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3148
+//line sql.y:3158
 		{
 			decNesting(yylex)
 		}
-	case 786:
+	case 789:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3153
+//line sql.y:3163
 		{
 			forceEOF(yylex)
 		}
-	case 787:
+	case 790:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3158
+//line sql.y:3168
 		{
 			forceEOF(yylex)
 		}
-	case 788:
+	case 791:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3162
+//line sql.y:3172
 		{
 			forceEOF(yylex)
 		}
-	case 789:
+	case 792:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3166
+//line sql.y:3176
 		{
 			forceEOF(yylex)
 		}
diff --git a/sql.y b/sql.y
index 6fcc68d..5e5c311 100644
--- a/sql.y
+++ b/sql.y
@@ -134,6 +134,7 @@ func forceEOF(yylex interface{}) {
 %right <bytes> NOT '!'
 %left <bytes> BETWEEN CASE WHEN THEN ELSE END
 %left <bytes> '=' '<' '>' LE GE NE NULL_SAFE_EQUAL IS LIKE REGEXP IN STARTS_WITH
+%left <bytes> CONTAINS
 %left <bytes> '|'
 %left <bytes> '&'
 %left <bytes> SHIFT_LEFT SHIFT_RIGHT
@@ -1999,6 +2000,14 @@ condition:
   {
     $$ = &ExistsExpr{Subquery: $2}
   }
+| value_expression CONTAINS value_expression
+  {
+    $$ = &ComparisonExpr{Left: $1, Operator: ContainsStr, Right: $3}
+  }
+| value_expression NOT CONTAINS value_expression
+  {
+    $$ = &ComparisonExpr{Left: $1, Operator: NotContainsStr, Right: $4}
+  }
 
 is_suffix:
   NULL
@@ -3010,6 +3019,7 @@ reserved_keyword:
 | SHOW
 | STARTS_WITH
 | STRAIGHT_JOIN
+| CONTAINS
 | TABLE
 | TABLES
 | THEN
diff --git a/token.go b/token.go
index 36d25f7..e05458f 100644
--- a/token.go
+++ b/token.go
@@ -126,6 +126,7 @@ var keywords = map[string]int{
 	"convert":             CONVERT,
 	"substr":              SUBSTR,
 	"substring":           SUBSTRING,
+	"contains":            CONTAINS,
 	"create":              CREATE,
 	"cross":               CROSS,
 	"current_date":        CURRENT_DATE,