-
Notifications
You must be signed in to change notification settings - Fork 228
/
TestWithClauseProcessing.java
1349 lines (1053 loc) · 83.3 KB
/
TestWithClauseProcessing.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
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
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
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
package org.teiid.query.processor;
import static org.junit.Assert.*;
import static org.teiid.query.processor.TestProcessor.*;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.teiid.adminapi.impl.SessionMetadata;
import org.teiid.api.exception.query.QueryValidatorException;
import org.teiid.common.buffer.BlockedException;
import org.teiid.common.buffer.TupleSource;
import org.teiid.common.buffer.impl.BufferManagerImpl;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.TeiidException;
import org.teiid.core.TeiidProcessingException;
import org.teiid.core.types.ArrayImpl;
import org.teiid.core.util.ObjectConverterUtil;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.query.metadata.TransformationMetadata;
import org.teiid.query.optimizer.TestAggregatePushdown;
import org.teiid.query.optimizer.TestOptimizer;
import org.teiid.query.optimizer.TestOptimizer.ComparisonMode;
import org.teiid.query.optimizer.capabilities.BasicSourceCapabilities;
import org.teiid.query.optimizer.capabilities.CapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.DefaultCapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.FakeCapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.SourceCapabilities.Capability;
import org.teiid.query.sql.lang.Command;
import org.teiid.query.tempdata.TempTableStore;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.query.util.CommandContext;
import org.teiid.translator.SourceSystemFunctions;
@SuppressWarnings({"nls", "unchecked"})
public class TestWithClauseProcessing {
@Test public void testSingleItem() {
String sql = "with a (x, y, z) as (select e1, e2, e3 from pm1.g1) SELECT pm1.g2.e2, a.x from pm1.g2, a where e1 = x and z = 1 order by x"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(0, "a"),
Arrays.asList(3, "a"),
Arrays.asList(0, "a"),
Arrays.asList(1, "c"),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
helpProcess(plan, dataManager, expected);
}
@Test public void testSingleItemInView() throws TeiidComponentException, TeiidProcessingException {
String sql = "select * from (with a (x, y, z) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1) SELECT pm1.g2.e2, a.x, z from pm1.g2, a where e1 = x order by x) as x where z = 1"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(0, "a", true),
Arrays.asList(3, "a", true),
Arrays.asList(1, "c", true),
Arrays.asList(0, "a", true),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
BasicSourceCapabilities typicalCapabilities = TestOptimizer.getTypicalCapabilities();
typicalCapabilities.setCapabilitySupport(Capability.QUERY_ORDERBY, false);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, new DefaultCapabilitiesFinder(typicalCapabilities),
new String[] {"SELECT a.x, a.z FROM a WHERE a.z = TRUE", "SELECT g_0.e1, g_0.e2 FROM pm1.g2 AS g_0 WHERE g_0.e1 IN (<dependent values>)"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, expected);
//combined when inlined
sql = "SELECT g_0.e2, g_1.e1, g_1.e3 FROM pm1.g2 AS g_0, pm1.g1 AS g_1 WHERE (g_0.e1 = g_1.e1) AND (g_1.e3 = TRUE)";
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, new DefaultCapabilitiesFinder(typicalCapabilities),
new String[] {"SELECT g_0.e2, g_1.e1, g_1.e3 FROM pm1.g2 AS g_0, pm1.g1 AS g_1 WHERE (g_0.e1 = g_1.e1) AND (g_1.e3 = TRUE)"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testMultipleItems() {
String sql = "with a (x, y, z) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1), b as /*+ no_inline */ (SELECT * from pm1.g2, a where e1 = x and z = 1 order by e2 limit 2) SELECT a.x, b.e1 from a, b where a.x = b.e1"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList("a", "a"),
Arrays.asList("a", "a"),
Arrays.asList("a", "a"),
Arrays.asList("a", "a"),
Arrays.asList("a", "a"),
Arrays.asList("a", "a"),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
helpProcess(plan, dataManager, expected);
}
@Test public void testWithPushdown() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a (x, y, z) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1) SELECT a.x from a, a z"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager();
List<?>[] expected = new List[] {
Arrays.asList("a"),
};
dataManager.addData("WITH a (x, y, z) AS /*+ no_inline */ (SELECT g_0.e1, null, UNKNOWN FROM pm1.g1 AS g_0) SELECT g_0.x FROM a AS g_0, a AS g_1", expected);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y, z) AS /*+ no_inline */ (SELECT g_0.e1, null, UNKNOWN FROM pm1.g1 AS g_0) SELECT g_0.x FROM a AS g_0, a AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, expected);
}
@Test public void testWithPushdownUnused() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a (x, y, z) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1) SELECT e1 from pm1.g1, a"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager();
List<?>[] expected = new List[] {
Arrays.asList("a"),
};
dataManager.addData("WITH a (x, y, z) AS /*+ no_inline */ (SELECT null, null, UNKNOWN FROM pm1.g1 AS g_0) SELECT g_0.e1 FROM pm1.g1 AS g_0, a AS g_1", expected);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y, z) AS /*+ no_inline */ (SELECT null, null, UNKNOWN FROM pm1.g1 AS g_0) SELECT g_0.e1 FROM pm1.g1 AS g_0, a AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, expected);
sql = "with a (x, y, z) as (select e1, e2, e3 from pm1.g1) SELECT e1 from pm1.g1, a"; //$NON-NLS-1$
plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"SELECT g_0.e1 FROM pm1.g1 AS g_0, pm1.g1 AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithPushdownMultiple() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a (x, y, z) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1), b (x, y) as /*+ no_inline */ (select e1, y from pm1.g2, a) SELECT e1 from pm1.g1, b"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager();
List<?>[] expected = new List[] {
Arrays.asList("a"),
};
dataManager.addData("WITH a (x, y, z) AS /*+ no_inline */ (SELECT null, g_0.e2, UNKNOWN FROM pm1.g1 AS g_0), b (x, y) AS /*+ no_inline */ (SELECT null, null FROM pm1.g2 AS g_0, a AS g_1) SELECT g_0.e1 FROM pm1.g1 AS g_0, b AS g_1", expected);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y, z) AS /*+ no_inline */ (SELECT null, g_0.e2, UNKNOWN FROM pm1.g1 AS g_0), b (x, y) AS /*+ no_inline */ (SELECT null, null FROM pm1.g2 AS g_0, a AS g_1) SELECT g_0.e1 FROM pm1.g1 AS g_0, b AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, expected);
}
@Test public void testWithPushdown1() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a as /*+ no_inline */ (select x, y, z from (select e1 as x, e2 as y, e3 as z from pm1.g1) v) SELECT count(a.x) from a, a z"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
List<?>[] expected = new List[] {
Arrays.asList("a", 1, Boolean.FALSE),
};
dataManager.addData("WITH a (x, y, z) AS (SELECT g_0.e1, NULL, NULL FROM g1 AS g_0) SELECT COUNT(g_0.x) FROM a AS g_0, a AS g_1", expected);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y, z) AS /*+ no_inline */ (SELECT g_0.e1, null, UNKNOWN FROM pm1.g1 AS g_0) SELECT COUNT(g_0.x) FROM a AS g_0, a AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, expected);
}
/**
* This tests both an intervening parent plan construct (count) and a reference to a parent with in a subquery
*/
@Test public void testWithPushdownNotFullyPushed() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, false);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a as /*+ no_inline */ (select x, y, z from (select e1 as x, e2 as y, e3 as z from pm1.g1) v), b as /*+ no_inline */ (select e4 from pm1.g3) SELECT count(a.x), max(a.y) from a, a z group by z.x having max(a.y) < (with b as /*+ no_inline */ (select e1 from pm1.g1) select a.y from a, b where a.x = z.x)"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
List<?>[] expected = new List[] {
Arrays.asList("a", 1, "a"),
};
dataManager.addData("SELECT g_0.e1, g_0.e2 FROM g1 AS g_0", Arrays.asList("a", 1));
dataManager.addData("WITH b__3 (e1) AS (SELECT NULL FROM g1 AS g_0) SELECT 1 FROM b__3 AS g_0", Arrays.asList(1));
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"SELECT a.x FROM a", "SELECT a.y, a.x FROM a"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, new List[] {});
}
/**
* Tests source affinity
*/
@Test public void testWithPushdownNotFullyPushed1() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, false);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
capFinder.addCapabilities("pm2", caps); //$NON-NLS-1$
String sql = "with a as /*+ no_inline */ (select e1 from pm1.g1), b as /*+ no_inline */ (select e1 from pm2.g2), c as /*+ no_inline */ (select count(*) as x from pm1.g1) SELECT a.e1, (select max(x) from c), pm1.g1.e2 from pm1.g1, a, b"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("WITH a (e1) AS (SELECT g_0.e1 FROM g1 AS g_0) SELECT g_0.e1 FROM a AS g_0", new List[] {
Arrays.asList("a"),
});
dataManager.addData("WITH b (e1) AS (SELECT NULL FROM g2 AS g_0) SELECT 1 FROM b AS g_0", new List[] {
Arrays.asList("b"),
});
dataManager.addData("SELECT g_0.e2 FROM g1 AS g_0", new List[] {
Arrays.asList(1), Arrays.asList(2)
});
dataManager.addData("SELECT 1 FROM g1 AS g_0", new List[] {
Arrays.asList(1), Arrays.asList(1), Arrays.asList(1)
});
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {
"SELECT g_0.e2 FROM pm1.g1 AS g_0",
"WITH b (e1) AS /*+ no_inline */ (SELECT null FROM pm2.g2 AS g_0) SELECT 1 FROM b AS g_0",
"WITH a (e1) AS /*+ no_inline */ (SELECT g_0.e1 FROM pm1.g1 AS g_0) SELECT g_0.e1 FROM a AS g_0"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, new List[] {
Arrays.asList("a", 3, 1),
Arrays.asList("a", 3, 2),
});
}
@Test public void testWithPushdownWithConstants() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a (x, y) as /*+ no_inline */ (select 1, 2 from pm1.g1) SELECT a.x from a, a z"; //$NON-NLS-1$
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y) AS /*+ no_inline */ (SELECT 1, null FROM pm1.g1 AS g_0) SELECT g_0.x FROM a AS g_0, a AS g_1"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithOrderBy() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "with a (x, y) as /*+ no_inline */ (select 1, 2 from pm1.g1) SELECT a.x from a, a z order by x"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("WITH a (x, y) AS (SELECT 1, NULL FROM g1 AS g_0) SELECT g_0.x AS c_0 FROM a AS g_0, a AS g_1 ORDER BY c_0", new List[0]);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, y) AS /*+ no_inline */ (SELECT 1, null FROM pm1.g1 AS g_0) SELECT g_0.x AS c_0 FROM a AS g_0, a AS g_1 ORDER BY c_0"}, ComparisonMode.EXACT_COMMAND_STRING);
helpProcess(plan, dataManager, new List[0]);
}
@Test public void testWithJoinPlanning() throws TeiidException {
TransformationMetadata metadata = RealMetadataFactory.example1();
RealMetadataFactory.setCardinality("pm1.g2", 100000, metadata);
String sql = "with a (x) as /*+ no_inline */ (select e1 from pm1.g1) SELECT a.x from pm1.g2, a where (pm1.g2.e1 = a.x)"; //$NON-NLS-1$
TestOptimizer.helpPlan(sql, metadata, null, TestOptimizer.getGenericFinder(false), new String[] {"SELECT g_0.e1 FROM pm1.g2 AS g_0 WHERE g_0.e1 IN (<dependent values>)", "SELECT a.x FROM a"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithJoinPlanning1() throws TeiidException {
TransformationMetadata metadata = RealMetadataFactory.example1Cached();
String sql = "with a (x) as /*+ no_inline */ (select e1 from pm1.g1) SELECT a.x from pm1.g2, a where (pm1.g2.e1 = a.x)"; //$NON-NLS-1$
TestOptimizer.helpPlan(sql, metadata, null, TestOptimizer.getGenericFinder(false), new String[] {"SELECT g_0.e1 FROM pm1.g2 AS g_0 WHERE g_0.e1 IN (<dependent values>)", "SELECT a.x FROM a"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithBlockingJoin() throws TeiidException {
String sql = "with a (x, y) as /*+ no_inline */ (select e1, e2 from pm1.g1) SELECT a.x, a.y, pm1.g2.e1 from a left outer join pm1.g2 makenotdep on (rtrim(a.x) = pm1.g2.e1) order by a.y"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager() {
@Override
public TupleSource registerRequest(CommandContext context,
Command command, String modelName,
RegisterRequestParameter parameterObject)
throws TeiidComponentException {
final TupleSource ts = super.registerRequest(context, command, modelName, parameterObject);
return new TupleSource() {
int i = 0;
@Override
public List<?> nextTuple() throws TeiidComponentException,
TeiidProcessingException {
if ((i++ % 100)<3) {
throw BlockedException.INSTANCE;
}
return ts.nextTuple();
}
@Override
public void closeSource() {
ts.closeSource();
}
};
}
};
List<?>[] rows = new List[10];
for (int i = 0; i < rows.length; i++) {
rows[i] = Arrays.asList(String.valueOf(i));
}
dataManager.addData("SELECT g_0.e1 AS c_0 FROM pm1.g2 AS g_0 ORDER BY c_0", rows);
rows = new List[100];
for (int i = 0; i < rows.length; i++) {
rows[i] = Arrays.asList(String.valueOf(i), i);
}
dataManager.addData("SELECT g_0.e1, g_0.e2 FROM pm1.g1 AS g_0", rows);
dataManager.addData("WITH a (x, y) AS (SELECT 1, 2 FROM g1 AS g_0) SELECT g_0.x AS c_0 FROM a AS g_0, a AS g_1 ORDER BY c_0", new List[0]);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, new DefaultCapabilitiesFinder(TestOptimizer.getTypicalCapabilities()), new String[] {"SELECT a.x, a.y FROM a", "SELECT g_0.e1 AS c_0 FROM pm1.g2 AS g_0 ORDER BY c_0"}, ComparisonMode.EXACT_COMMAND_STRING);
//check the full pushdown command
List<?>[] result = new List[100];
for (int i = 0; i < result.length; i++) {
result[i] = Arrays.asList(String.valueOf(i), i, i < 10?String.valueOf(i):null);
}
helpProcess(plan, dataManager, result);
}
@Test public void testSingleItemInOn() {
String sql = "with a (x, y, z) as (select e1, e2, e3 from pm1.g1 limit 1) SELECT pm2.g1.e1 from pm2.g1 left outer join pm2.g2 on (pm2.g1.e2 = pm2.g2.e2 and pm2.g1.e1 = (select a.x from a))"; //$NON-NLS-1$
List[] expected = new List[] {Arrays.asList("a")};
HardcodedDataManager dataManager = new HardcodedDataManager() {
boolean block = true;
@Override
public TupleSource registerRequest(CommandContext context,
Command command, String modelName,
RegisterRequestParameter parameterObject)
throws TeiidComponentException {
if (block) {
block = false;
throw BlockedException.INSTANCE;
}
return super.registerRequest(context, command, modelName, parameterObject);
}
};
dataManager.addData("SELECT g_0.e1 FROM pm1.g1 AS g_0", new List[] {Arrays.asList("a")});
dataManager.addData("SELECT g_0.e1 FROM pm2.g1 AS g_0 LEFT OUTER JOIN pm2.g2 AS g_1 ON g_0.e2 = g_1.e2 AND g_0.e1 = 'a'", new List[] {Arrays.asList("a")});
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.QUERY_FROM_JOIN_OUTER, true);
bsc.setCapabilitySupport(Capability.CRITERIA_ON_SUBQUERY, true);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc));
helpProcess(plan, dataManager, expected);
}
@Test public void testWithGroupingAndMultiElement() {
String sql = "WITH qry_0 as (SELECT floor(t.e4) AS a1, floor(t2.e4) as b1 FROM pm1.g1 AS t, pm2.g2 as t2 WHERE (t.e4=t2.e4) GROUP BY t.e4, t2.e4) SELECT * from qry_0 GROUP BY a1, b1";
List[] expected = new List[] {Arrays.asList(3.0, 3.0)};
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT g_0.e4 AS c_0 FROM pm1.g1 AS g_0 GROUP BY g_0.e4 ORDER BY c_0", Arrays.asList(2.1), Arrays.asList(3.2));
dataManager.addData("SELECT g_0.e4 AS c_0 FROM pm2.g2 AS g_0 GROUP BY g_0.e4 ORDER BY c_0", Arrays.asList(2.0), Arrays.asList(3.2));
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), TestAggregatePushdown.getAggregatesFinder());
helpProcess(plan, dataManager, expected);
}
@Test public void testSubqueryWithGrouping() {
String sql = "select q.str_a, q.a from(WITH qry_0 as /*+ no_inline */ (SELECT e2 AS a1, e1 as str FROM pm1.g1 AS t) SELECT a1 as a, str as str_a from qry_0) as q group by q.str_a, q.a";
List[] expected = new List[] {Arrays.asList("a", 1)};
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("SELECT g_0.e2, g_0.e1 FROM pm1.g1 AS g_0", Arrays.asList(1, "a"));
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), TestAggregatePushdown.getAggregatesFinder());
helpProcess(plan, dataManager, expected);
}
@Test public void testFunctionEvaluation() throws Exception {
String sql = "with test as /*+ no_inline */ (select user() as u from pm1.g1) select u from test";
List[] expected = new List[] {Arrays.asList("user")};
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("WITH test (u) AS (SELECT 'user' FROM g1 AS g_0) SELECT g_0.u FROM test AS g_0", Arrays.asList("user"));
CommandContext cc = TestProcessor.createCommandContext();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
sql = "with test as (select user() as u from pm1.g1) select u from test";
dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT 'user' FROM g1 AS g_0", Arrays.asList("user"));
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testMaterialize() throws Exception {
String sql = "with test as /*+ materialize */ (select user() as u from pm1.g1) select u from test, pm1.g2";
List<?>[] expected = new List[] {Arrays.asList("user")};
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT 'user' FROM g1 AS g_0", Arrays.asList("user"));
dataManager.addData("SELECT 1 FROM g2 AS g_0", Arrays.asList(1));
CommandContext cc = TestProcessor.createCommandContext();
Command command = helpParse(sql);
assertEquals("WITH test AS /*+ materialize */ (SELECT user() AS u FROM pm1.g1) SELECT u FROM test, pm1.g2", command.toString());
assertEquals("WITH test AS /*+ materialize */ (SELECT user() AS u FROM pm1.g1) SELECT u FROM test, pm1.g2", command.clone().toString());
ProcessorPlan plan = helpGetPlan(command, RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testRecursive() throws Exception {
String sql = "WITH t(n) AS ( VALUES (1) UNION ALL SELECT n+1 FROM t WHERE n < 64 ) SELECT sum(n) FROM t;"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(2080l),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
CommandContext cc = createCommandContext();
cc.setSession(new SessionMetadata());
helpProcess(plan, cc, dataManager, expected);
}
@Test(expected=TeiidProcessingException.class) public void testMaxRecursive() throws Exception {
String sql = "WITH t(n) AS ( VALUES (1) UNION ALL SELECT n+1 FROM t WHERE n < 64 ) SELECT sum(n) FROM t;"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(2080l),
};
FakeDataManager dataManager = new FakeDataManager();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
CommandContext cc = createCommandContext();
cc.setSession(new SessionMetadata());
cc.setSessionVariable(TempTableStore.TEIID_MAX_RECURSION, 10);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testRecursiveUnion() throws Exception {
String sql = "WITH t(n) AS ( (VALUES (1) union all values(2)) UNION (SELECT n+1 FROM t WHERE n < 64 union all SELECT e2 from pm1.g1) ) SELECT sum(n) FROM t;"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(2080l),
};
FakeDataManager dataManager = new FakeDataManager();
dataManager.setBlockOnce();
sampleData1(dataManager);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached());
CommandContext cc = createCommandContext();
cc.setSession(new SessionMetadata());
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testRecursivePushdown() throws TeiidComponentException, TeiidProcessingException {
String sql = "WITH t(n) AS ( select e2 from pm1.g1 UNION SELECT n+1 FROM t WHERE n < 64 ) SELECT n FROM t"; //$NON-NLS-1$
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.RECURSIVE_COMMON_TABLE_EXPRESSIONS, true);
bsc.setFunctionSupport("+", true);
CapabilitiesFinder capFinder = new DefaultCapabilitiesFinder(bsc);
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"WITH t (n) AS (SELECT g_0.e2 FROM pm1.g1 AS g_0 UNION SELECT (g_0.n + 1) FROM t AS g_0 WHERE g_0.n < 64) SELECT g_0.n FROM t AS g_0"}, capFinder, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testScalarInlining() throws TeiidComponentException, TeiidProcessingException {
String sql = "WITH t(n) AS ( select 1 ) SELECT n FROM t as t1, pm1.g1"; //$NON-NLS-1$
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
CapabilitiesFinder capFinder = new DefaultCapabilitiesFinder(bsc);
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"SELECT 1 FROM pm1.g1 AS g_0"}, capFinder, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithAndUncorrelatedSubquery() throws Exception {
String sql = "WITH t(n) AS /*+ no_inline */ ( select e1 from pm2.g1 ) SELECT n FROM t as t1, pm1.g1 where e1 = (select n from t)"; //$NON-NLS-1$
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
CapabilitiesFinder capFinder = new DefaultCapabilitiesFinder(bsc);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"SELECT t.n FROM t", "SELECT 1 FROM pm1.g1 AS g_0 WHERE g_0.e1 = (SELECT t.n FROM t)"}, capFinder, ComparisonMode.EXACT_COMMAND_STRING);
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT g_0.e1 FROM g1 AS g_0", Arrays.asList("a"));
dataManager.addData("SELECT 1 FROM g1 AS g_0 WHERE g_0.e1 = 'a'", Arrays.asList(1));
List<?>[] expected = new List[] {
Arrays.asList("a"),
};
helpProcess(plan, TestProcessor.createCommandContext(), dataManager, expected);
}
@Test public void testWithPushdownNested() throws TeiidException {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.ROW_LIMIT, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_CORRELATED, true);
caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
caps.setFunctionSupport(SourceSystemFunctions.CONCAT, true);
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR_PROJECTION, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "SELECT (with b (x) as /*+ no_inline */ (select e1 from pm1.g1) select b.x || c.x from b,b b1), x from (with a (x, b, c) as /*+ no_inline */ (select e1, e2, e3 from pm1.g1) select * from a limit 1) as c"; //$NON-NLS-1$
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, b, c) AS /*+ no_inline */ (SELECT g_0.e1, g_0.e2, g_0.e3 FROM pm1.g1 AS g_0) SELECT (WITH b (x) AS /*+ no_inline */ (SELECT g_1.e1 FROM pm1.g1 AS g_1) SELECT concat(g_2.x, v_0.c_0) FROM b AS g_2, b AS g_3), v_0.c_0 FROM (SELECT g_0.x AS c_0 FROM a AS g_0 LIMIT 1) AS v_0"}, ComparisonMode.EXACT_COMMAND_STRING);
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, false);
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"WITH a (x, b, c) AS /*+ no_inline */ (SELECT g_0.e1, g_0.e2, g_0.e3 FROM pm1.g1 AS g_0) SELECT g_0.x AS c_0 FROM a AS g_0 LIMIT 1"}, ComparisonMode.EXACT_COMMAND_STRING);
sql = "SELECT (with b (x) as (select e1 from pm1.g1) select b.x || c.x from b,b b1), x from (with a (x, b, c) as (select e1, e2, e3 from pm1.g1) select * from a limit 1) as c"; //$NON-NLS-1$
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, true);
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"SELECT (WITH b (x) AS (SELECT g_1.e1 FROM pm1.g1 AS g_1) SELECT concat(g_2.x, v_0.c_0) FROM b AS g_2, b AS g_3), v_0.c_0 FROM (SELECT g_0.e1 AS c_0 FROM pm1.g1 AS g_0 LIMIT 1) AS v_0"}, ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testWithPushdownNestedInsert() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.INSERT_WITH_QUERYEXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "insert into pm1.g1 (e1) with a (x) as /*+ no_inline */ (select e1 from pm1.g1) select a.x from a, a y"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(1),
};
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("INSERT INTO g1 (e1) WITH a (x) AS (SELECT g_0.e1 FROM g1 AS g_0) SELECT g_0.x FROM a AS g_0, a AS g_1", Arrays.asList(1));
CommandContext cc = TestProcessor.createCommandContext();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
//should be the same either way. up to the translator to deal with the with clause
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, false);
cc = TestProcessor.createCommandContext();
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testWithPushdownNestedUpdate() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.INSERT_WITH_QUERYEXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.SUBQUERY_COMMON_TABLE_EXPRESSIONS, true);
caps.setCapabilitySupport(Capability.ROW_LIMIT, true);
caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_CORRELATED, true);
caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
caps.setFunctionSupport(SourceSystemFunctions.CONCAT, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "update pm1.g1 set e1 = (with a (x) as /*+ no_inline */ (select e1 from pm1.g2 limit 1) select a.x || pm1.g1.e1 from a)"; //$NON-NLS-1$
List<?>[] expected = new List[] {
Arrays.asList(1),
};
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("UPDATE g1 SET e1 = (WITH a (x) AS (SELECT g_0.e1 AS c_0 FROM g2 AS g_0 LIMIT 1) SELECT concat(g_0.x, g1.e1) AS c_0 FROM a AS g_0)", Arrays.asList(1));
CommandContext cc = TestProcessor.createCommandContext();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(caps), cc);
helpProcess(plan, cc, dataManager, expected);
}
@Test public void testWithPushdownAndConstants() throws Exception {
String sql = "WITH tmp as /*+ no_inline */ (SELECT * FROM pm1.g1 ) SELECT 123 as col2, tmp.* FROM tmp";
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("WITH tmp (e1, e2, e3, e4) AS (SELECT g_0.e1, g_0.e2, g_0.e3, g_0.e4 FROM g1 AS g_0) SELECT g_0.e1, g_0.e2, g_0.e3, g_0.e4 FROM tmp AS g_0", Arrays.asList("a", 1, true, 1.1));
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
List<?>[] expected = new List[] {
Arrays.asList(123, "a", 1, true, 1.1),
};
helpProcess(plan, cc, dataManager, expected);
}
/**
* Expected to fail as we shouldn't allow a reference to p.e2 in the windowed sum
* @throws Exception
*/
@Test(expected=QueryValidatorException.class) public void testWithAggregation() throws Exception {
String sql = "WITH x as (SELECT e1 FROM pm1.g1) SELECT p.e1, SUM(p.e2) OVER (partition by p.e1) as y FROM pm1.g1 p JOIN x ON x.e1 = p.e1 GROUP BY p.e1";
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
}
@Test public void testWithAggregation1() throws Exception {
String sql = "WITH x as /*+ no_inline */ (SELECT e1 FROM pm1.g1) SELECT p.e1, SUM(max(p.e2)) OVER (partition by p.e1) as y FROM pm1.g1 p JOIN x ON x.e1 = p.e1 GROUP BY p.e1";
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT g_0.e1 FROM g1 AS g_0", Arrays.asList("a"), Arrays.asList("b"), Arrays.asList("a"));
dataManager.addData("SELECT g_0.e1, g_0.e2 FROM g1 AS g_0 WHERE g_0.e1 IN ('a', 'b')", Arrays.asList("a", 1), Arrays.asList("a", 2), Arrays.asList("b", 3));
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
List<?>[] expected = new List[] {
Arrays.asList("a", 2l),
Arrays.asList("b", 3l),
};
helpProcess(plan, cc, dataManager, expected);
//full push down
cc = TestProcessor.createCommandContext();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
bsc.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
bsc.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
TestOptimizer.checkAtomicQueries(new String[] {"WITH x (e1) AS /*+ no_inline */ (SELECT g_0.e1 FROM pm1.g1 AS g_0) SELECT g_0.e1, SUM(MAX(g_0.e2)) OVER (PARTITION BY g_0.e1) FROM pm1.g1 AS g_0, x AS g_1 WHERE g_1.e1 = g_0.e1 GROUP BY g_0.e1"}, plan);
}
@Test public void testSubqueryWith() throws Exception {
//full push down
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.CRITERIA_IN_SUBQUERY, true);
String sql = "with eee as /*+ no_inline */ (select * from pm1.g1) select * from pm1.g2 where pm1.g2.e1 in (select e1 from eee)";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("WITH eee (e1, e2, e3, e4) AS (SELECT g_0.e1, NULL, NULL, NULL FROM g1 AS g_0) SELECT g_0.e1, g_0.e2, g_0.e3, g_0.e4 FROM g2 AS g_0 WHERE g_0.e1 IN (SELECT g_1.e1 FROM eee AS g_1)", Arrays.asList("a", 1, 3.0, true));
TestProcessor.helpProcess(plan, hdm, null);
}
@Test public void testSubqueryWithSemijoin() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.CRITERIA_IN_SUBQUERY, true);
String sql = "with eee as /*+ no_inline */ (select * from pm2.g1) select * from pm1.g2 where pm1.g2.e1 in (select e1 from eee)";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
//we need the with associated with the subquery
hdm.addData("WITH eee (e1, e2, e3, e4) AS (SELECT g_0.e1, NULL, NULL, NULL FROM g1 AS g_0) SELECT g_0.e1 AS c_0 FROM eee AS g_0 ORDER BY c_0", Arrays.asList("a"), Arrays.asList("b"));
hdm.addData("SELECT g_0.e1 AS c_0, g_0.e2 AS c_1, g_0.e3 AS c_2, g_0.e4 AS c_3 FROM g2 AS g_0 WHERE g_0.e1 IN ('a', 'b') ORDER BY c_0", Arrays.asList("a", 1, 2.0, true), Arrays.asList("b", 2, 3.0, false));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, 2.0, true), Arrays.asList("b", 2, 3.0, false)});
sql = "with eee as (select * from pm2.g1) select * from pm1.g2 where pm1.g2.e1 in (select e1 from eee)";
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("SELECT g_0.e1, g_0.e2, g_0.e3, g_0.e4 FROM g2 AS g_0", Arrays.asList("a", 1, 2.0, true), Arrays.asList("b", 2, 3.0, false));
hdm.addData("SELECT g_0.e1 FROM g1 AS g_0", Arrays.asList("a"), Arrays.asList("b"));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, 2.0, true), Arrays.asList("b", 2, 3.0, false)});
}
@Test public void testSubqueryWithSemijoinMultiLevel() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.CRITERIA_IN_SUBQUERY, true);
String sql = "with eee as /*+ no_inline */ (with aaa as /*+ no_inline */ (select e1 from pm3.g1) select e1 from pm2.g1 where e1 in (select e1 from aaa)) select * from pm1.g2 where pm1.g2.e1 in (select e1 from eee)";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
//we need the with associated with the subquery
hdm.addData("WITH aaa (e1) AS (SELECT g_0.e1 FROM g1 AS g_0) SELECT g_0.e1 AS c_0 FROM aaa AS g_0 ORDER BY c_0", Arrays.asList("a"));
hdm.addData("SELECT g_0.e1 AS c_0 FROM g1 AS g_0 WHERE g_0.e1 = 'a' ORDER BY c_0", Arrays.asList("a"));
hdm.addData("SELECT g_0.e1 AS c_0, g_0.e2 AS c_1, g_0.e3 AS c_2, g_0.e4 AS c_3 FROM g2 AS g_0 WHERE g_0.e1 = 'a' ORDER BY c_0", Arrays.asList("a", 1, 2.0, true));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, 2.0, true)});
sql = "with eee as (with aaa as (select e1 from pm3.g1) select e1 from pm2.g1 where e1 in (select e1 from aaa)) select * from pm1.g2 where pm1.g2.e1 in (select e1 from eee)";
plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("SELECT g_0.e1, g_0.e2, g_0.e3, g_0.e4 FROM g2 AS g_0", Arrays.asList("a", 1, 2.0, true), Arrays.asList("b", 1, 2.0, true));
hdm.addData("SELECT g_0.e1 FROM g1 AS g_0", Arrays.asList("a"), Arrays.asList("c"));
//we need the with associated with the subquery
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, 2.0, true)});
}
@Test public void testRecursiveWithPushdownNotFullyPushed() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
String sql = "WITH t(n, i) AS ( select 1,2 from pm1.g2 UNION ALL SELECT n+1, e2 FROM t, pm1.g1 WHERE n < 64 and pm1.g1.e2 = t.n ) SELECT * FROM t;"; //$NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager(RealMetadataFactory.example1Cached());
dataManager.addData("SELECT g_0.e2 AS c_0 FROM g1 AS g_0 WHERE g_0.e2 < 64 AND g_0.e2 = 1 ORDER BY c_0", Arrays.asList(1));
dataManager.addData("SELECT g_0.e2 AS c_0 FROM g1 AS g_0 WHERE g_0.e2 < 64 AND g_0.e2 = 2 ORDER BY c_0");
dataManager.addData("SELECT 2 FROM g2 AS g_0", Arrays.asList(2));
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"SELECT t.n, t.i FROM t"}, ComparisonMode.EXACT_COMMAND_STRING);
CommandContext cc = createCommandContext();
cc.setSession(new SessionMetadata());
helpProcess(plan, cc, dataManager, new List[] {
Arrays.asList(1, 2),Arrays.asList(2, 1),
});
caps.setCapabilitySupport(Capability.RECURSIVE_COMMON_TABLE_EXPRESSIONS, true);
plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] {"SELECT t.n, t.i FROM t"}, ComparisonMode.EXACT_COMMAND_STRING);
cc = createCommandContext();
cc.setSession(new SessionMetadata());
helpProcess(plan, cc, dataManager, new List[] {
Arrays.asList(1, 2),Arrays.asList(2, 1),
});
}
@Test public void testMultiplePreviousReferences() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.ROW_LIMIT, true);
String sql = "WITH cte1 as /*+ no_inline */ (SELECT e1, e2 from pm1.g1), cte2 as /*+ no_inline */ (select * from cte1), cte3 as /*+ no_inline */ (select * from cte1 limit 1) "
+ "SELECT cte3.*,cte2.* FROM cte2 join cte3 on cte2.e1=cte3.e1";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
//cte1 should appear once
hdm.addData("WITH cte1 (e1, e2) AS (SELECT g_0.e1, g_0.e2 FROM g1 AS g_0), "
+ "cte2 (e1, e2) AS (SELECT g_0.e1, g_0.e2 FROM cte1 AS g_0), "
+ "cte3 (e1, e2) AS (SELECT g_0.e1 AS c_0, g_0.e2 AS c_1 FROM cte1 AS g_0 LIMIT 1) SELECT g_1.e1, g_1.e2, g_0.e1, g_0.e2 FROM cte2 AS g_0, cte3 AS g_1 WHERE g_0.e1 = g_1.e1", Arrays.asList("a", 1, "b", 2));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, "b", 2)});
}
@Test public void testMultiplePreviousReferencesInlined() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
String sql = "WITH cte1 as (SELECT e1, e2 from pm1.g1), cte2 as (select * from cte1), cte3 as (select * from cte1) "
+ "SELECT * FROM cte2 join cte3 on cte2.e1=cte3.e1";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
//cte1 should appear once
hdm.addData("WITH cte1 (e1, e2) AS (SELECT g_0.e1, g_0.e2 FROM g1 AS g_0) SELECT g_0.e1 AS c_0, g_0.e2 AS c_1 FROM cte1 AS g_0 ORDER BY c_0", Arrays.asList("a", 1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", 1, "a", 1)});
}
@Test public void testNestedWith() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
String sql = "WITH cte1 as (SELECT 1 as a), cte3 as (with cte3_1 as (select cte1.a from cte1 join pm1.g1 t1 on cte1.a=t1.e2) select * from cte3_1) SELECT * FROM cte3";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("SELECT 1 FROM g1 AS g_0 WHERE g_0.e2 = 1", Arrays.asList(1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1)});
}
@Test public void testNestedWith1() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
String sql = "WITH cte1 as (SELECT 1 as a), cte3 as /*+ no_inline */ (with cte3_1 as /*+ no_inline */ (select cte1.a from cte1 join pm1.g1 t1 on cte1.a=t1.e2) select * from cte3_1) SELECT * FROM cte3";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("WITH cte3_1 (a) AS (SELECT 1 FROM g1 AS g_0 WHERE g_0.e2 = 1), cte3 (a) AS (SELECT g_0.a FROM cte3_1 AS g_0) SELECT g_0.a FROM cte3 AS g_0", Arrays.asList(1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1)});
}
@Test public void testNestedWithRepeated() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
String sql = "begin WITH cte1 as (SELECT 1 as a), cte3 as (with cte3_1 as /*+ no_inline */ (select cte1.a from cte1 join pm1.g1 t1 on cte1.a=t1.e2) select * from cte3_1) SELECT * FROM cte3;"
+ " WITH cte1 as (SELECT 1 as a), cte3 as (with cte3_1 as /*+ no_inline */ (select cte1.a from cte1 join pm1.g1 t1 on cte1.a=t1.e2) select * from cte3_1) SELECT * FROM cte3; end";
ProcessorPlan plan = helpGetPlan(helpParse(sql), RealMetadataFactory.example1Cached(), new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(RealMetadataFactory.example1Cached());
hdm.addData("WITH cte3_1 (a) AS (SELECT 1 FROM g1 AS g_0 WHERE g_0.e2 = 1) SELECT g_0.a FROM cte3_1 AS g_0", Arrays.asList(1));
hdm.addData("WITH cte3_1__2 (a) AS (SELECT 1 FROM g1 AS g_0 WHERE g_0.e2 = 1) SELECT g_0.a FROM cte3_1__2 AS g_0", Arrays.asList(1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1)});
}
@Test public void testViewPlanning() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("create view v1 as WITH mycte as (SELECT 1 as col1) SELECT col1 FROM mycte;", "x", "y");
String sql = "WITH mycte as (SELECT * FROM y.v1) SELECT * from mycte;";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1)});
}
@Test public void testSubqueryPushedWithCTE() throws TeiidComponentException, TeiidProcessingException {
String sql = "WITH qry_0 as /*+ no_inline */ (SELECT e2 AS a1, e1 as str FROM pm1.g1 AS t) select (select e1 from pm1.g1) as x, a1 from qry_0";
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
bsc.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR_PROJECTION, true);
TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"WITH qry_0 (a1, str) AS /*+ no_inline */ (SELECT g_0.e2, null FROM pm1.g1 AS g_0) SELECT (SELECT g_1.e1 FROM pm1.g1 AS g_1), g_0.a1 FROM qry_0 AS g_0"}, new DefaultCapabilitiesFinder(bsc), ComparisonMode.EXACT_COMMAND_STRING);
}
@Test public void testEvaluatableSubqueryPushedWithCTE() throws TeiidComponentException, TeiidProcessingException {
String sql = "WITH qry_0 as /*+ no_inline */ (SELECT e2 AS a1, e1 as str FROM pm1.g1 AS t), qry_1 as /*+ no_inline */ (SELECT 'b' AS a1) select (select a1 || 'a' from qry_1) as x, a1 from qry_0";
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData("WITH qry_0 (a1, str) AS /*+ no_inline */ (SELECT g_0.e2, null FROM pm1.g1 AS g_0) SELECT g_0.a1 FROM qry_0 AS g_0", Arrays.asList(1));
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR_PROJECTION, true);
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"WITH qry_0 (a1, str) AS /*+ no_inline */ (SELECT g_0.e2, null FROM pm1.g1 AS g_0) SELECT (SELECT concat(a1, 'a') FROM qry_1 LIMIT 2), g_0.a1 FROM qry_0 AS g_0"}, new DefaultCapabilitiesFinder(bsc), ComparisonMode.EXACT_COMMAND_STRING);
TestProcessor.helpProcess(plan, dataManager, new List<?>[] {Arrays.asList("ba", 1)});
}
@Test public void testViewPlanningDeeplyNested() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("create foreign table test_a (a varchar); "
+ "create view tv1 as WITH alias as /*+ no_inline */ (SELECT a from test_a) "
+ ",alias2 as /*+ no_inline */ (select t2.a as a1, t1.a from alias t1 join (SELECT a from test_a) t2 on t1.a=t2.a) "
+ ",alias3 as /*+ no_inline */ (select t2.a as a1, t1.a from alias t1 join alias2 t2 on t1.a=t2.a) "
+ "SELECT alias.a as a1 FROM alias;", "x", "y");
String sql = "with CTE1 as /*+ no_inline */ ( select a1 from tv1), CTE2 as /*+ no_inline */ ( select a1 from tv1) select * from CTE1 as T1 join CTE1 as T2 on T1.a1=T2.a1";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
hdm.addData("WITH alias (a) AS (SELECT g_0.a FROM test_a AS g_0), CTE1 (a1) AS (SELECT g_0.a FROM alias AS g_0) SELECT g_0.a1 AS c_0 FROM CTE1 AS g_0 ORDER BY c_0", Arrays.asList("a"));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", "a")});
}
@Test public void testViewPlanningDeeplyNestedInline() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("create foreign table test_a (a varchar); "
+ "create view tv1 as WITH alias as (SELECT a from test_a), alias2 as (select t2.a as a1, t1.a from alias t1 join (SELECT a from test_a) t2 on t1.a=t2.a), alias3 as (select t2.a as a1, t1.a from alias t1 join alias2 t2 on t1.a=t2.a) SELECT alias3.a1 FROM alias2 join alias3 on alias3.a=alias2.a;", "x", "y");
String sql = "with CTE1 as ( select a1 from ( with CTE11 as (select a1 from tv1) select a1 from CTE11 ) as SUBQ1), CTE2 as ( select a1 from ( with CTE21 as (select a1 from tv1) select a1 from CTE21 ) as SUBQ2) select * from CTE1 as T1 join CTE2 as T2 on T1.a1=T2.a1";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
hdm.addData("SELECT g_0.a FROM test_a AS g_0", Arrays.asList("a"));
hdm.addData("SELECT g_0.a AS c_0 FROM test_a AS g_0 WHERE g_0.a = 'a' ORDER BY c_0", Arrays.asList("a"));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("a", "a")});
}
@Test public void testViewPlanningDeeplyNestedInlineRepeatedCTEName() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("create foreign table test_a (a varchar, b varchar); "
+ " create view tv0 as WITH alias2 (a) AS (SELECT a FROM (SELECT 1 AS a) AS cte1) SELECT cte3.a FROM alias2 INNER JOIN (SELECT a FROM alias2) AS cte3 ON cte3.a = alias2.a;"
+ " create view tv1 as WITH cte1 as (SELECT a from test_a), alias2 as (select a from cte1), cte3 as (select a from alias2) SELECT cte3.a FROM alias2 join cte3 on cte3.a=alias2.a;"
+ " create view tv2 as WITH alias2 as (select b, a from test_a), cte4 as (select a from alias2) SELECT cte4.a FROM cte4 join alias2 on cte4.a=alias2.a ;", "x", "y");
String sql = "with CTE1 as ( select a from ( with CTE11 as (select a from tv0) select a from CTE11 ) as SUBQ1), CTE2 as ( select a from ( with CTE21 as (select a from tv1) select a from CTE21 ) as SUBQ2) select T2.*, T1.* from CTE1 as T1 join CTE2 as T2 on T1.a=T2.a";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
hdm.addData("WITH alias2__1 (a) AS (SELECT g_0.a FROM test_a AS g_0) SELECT g_1.a AS c_0 FROM alias2__1 AS g_0, alias2__1 AS g_1 WHERE g_1.a = g_0.a AND g_1.a = '1' ORDER BY c_0", Arrays.asList("1"));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList("1", 1)});
}
@Test public void testViewPlanningDeeplyNestedInlineRepeatedCTEName1() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("create foreign table test_a (a varchar, b varchar); "
+ " create view tv0 as WITH alias2 (a) AS (SELECT a FROM (SELECT 1 AS a) AS cte1) SELECT cte3.a FROM alias2 INNER JOIN (SELECT a FROM alias2) AS cte3 ON cte3.a = alias2.a;"
+ " create view tv1 as WITH cte1 as (SELECT a from test_a), alias2 as (select a from cte1), cte3 as (select a from alias2) SELECT cte3.a FROM alias2 join cte3 on cte3.a=alias2.a;"
+ " create view tv2 as WITH alias2 as (select b, a from test_a), cte4 as (select a from alias2) SELECT cte4.a FROM cte4 join alias2 on cte4.a=alias2.a ;", "x", "y");
String sql = "with CTE1 as ( select a from ( with CTE11 as (select a from tv2) select a from CTE11 ) as SUBQ1), CTE2 as ( select a from ( with CTE21 as (select a from tv2) select a from CTE21 ) as SUBQ2) select T2.*, T1.* from CTE1 as T1 join CTE2 as T2 on T1.a=T2.a";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
hdm.addData("WITH alias2 (b, a) AS (SELECT NULL, g_0.a FROM test_a AS g_0) SELECT g_2.a, g_0.a FROM alias2 AS g_0, alias2 AS g_1, alias2 AS g_2, alias2 AS g_3 WHERE g_2.a = g_3.a AND g_0.a = g_1.a AND g_0.a = g_2.a", Arrays.asList(1, 1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1, 1)});
}
@Test public void testProjectionMinimizationWithInlined() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("CREATE foreign TABLE test_a(a integer, b integer)", "x", "y");
String sql = "with CTE1 as (WITH CTE11 as (SELECT a from test_a), CTE21 as (select t1.a from CTE11 t1 join CTE11 t2 on t1.a=t2.a), CTE31 as (select a from CTE21) SELECT CTE31.a FROM CTE21 join CTE31 on CTE31.a=CTE21.a ) select * from CTE1";
ProcessorPlan plan = helpGetPlan(helpParse(sql), metadata, new DefaultCapabilitiesFinder(bsc), cc);
HardcodedDataManager hdm = new HardcodedDataManager(metadata);
hdm.addData("WITH CTE11 (a) AS (SELECT g_0.a FROM test_a AS g_0), CTE21 (a) AS (SELECT g_0.a FROM CTE11 AS g_0, CTE11 AS g_1 WHERE g_0.a = g_1.a) SELECT g_1.a FROM CTE21 AS g_0, CTE21 AS g_1 WHERE g_1.a = g_0.a", Arrays.asList(1));
TestProcessor.helpProcess(plan, hdm, new List<?>[] {Arrays.asList(1)});
}
@Test public void testNestedInlining() throws Exception {
CommandContext cc = TestProcessor.createCommandContext();
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.COMMON_TABLE_EXPRESSIONS, true);
bsc.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
TransformationMetadata metadata = RealMetadataFactory.fromDDL("CREATE foreign TABLE test_a(a integer, b integer)", "x", "y");
String sql = "with CTE1 as (WITH alias as (SELECT a from test_a), alias2 as (select t2.a as a1, t1.a from alias t1 join (SELECT 1 as a) t2 on t1.a=t2.a), CTE31 as (select t2.a as a1 from alias2 t2) SELECT CTE31.a1 FROM alias2 join CTE31 on CTE31.a1=alias2.a ), CTE2 as ( WITH alias as (SELECT 1 as a), alias2 as (select t2.a a1, t1.a from alias t1 join (SELECT 1 as a) t2 on t1.a=t2.a), CTE32 as (select t2.a from alias2 t2) SELECT CTE32.a FROM alias2 join CTE32 on CTE32.a=alias2.a ) select * from CTE1 as T1 join CTE2 as T2 on T1.a1=T2.a";