/
Table.php
2541 lines (2288 loc) · 88.4 KB
/
Table.php
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
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Holds the Table class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries;
use PMA\libraries\plugins\export\ExportSql;
use SqlParser\Components\Expression;
use SqlParser\Components\OptionsArray;
use SqlParser\Context;
use SqlParser\Parser;
use SqlParser\Statements\DropStatement;
/**
* Handles everything related to tables
*
* @todo make use of Message and Error
* @package PhpMyAdmin
*/
class Table
{
/**
* UI preferences properties
*/
const PROP_SORTED_COLUMN = 'sorted_col';
const PROP_COLUMN_ORDER = 'col_order';
const PROP_COLUMN_VISIB = 'col_visib';
/**
* @var string engine (innodb, myisam, bdb, ...)
*/
var $engine = '';
/**
* @var string type (view, base table, system view)
*/
var $type = '';
/**
* @var array UI preferences
*/
var $uiprefs;
/**
* @var array errors occurred
*/
var $errors = array();
/**
* @var array messages
*/
var $messages = array();
/**
* @var string table name
*/
protected $_name = '';
/**
* @var string database name
*/
protected $_db_name = '';
/**
* @var DatabaseInterface
*/
protected $_dbi;
/**
* Constructor
*
* @param string $table_name table name
* @param string $db_name database name
* @param DatabaseInterface $dbi database interface for the table
*/
function __construct($table_name, $db_name, DatabaseInterface $dbi = null)
{
if (empty($dbi)) {
$dbi = $GLOBALS['dbi'];
}
$this->_dbi = $dbi;
$this->_name = $table_name;
$this->_db_name = $db_name;
}
/**
* returns table name
*
* @see Table::getName()
* @return string table name
*/
function __toString()
{
return $this->getName();
}
/**
* return the last error
*
* @return string the last error
*/
function getLastError()
{
return end($this->errors);
}
/**
* return the last message
*
* @return string the last message
*/
function getLastMessage()
{
return end($this->messages);
}
/**
* returns table name
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string table name
*/
function getName($backquoted = false)
{
if ($backquoted) {
return Util::backquote($this->_name);
}
return $this->_name;
}
/**
* returns database name for this table
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string database name for this table
*/
function getDbName($backquoted = false)
{
if ($backquoted) {
return Util::backquote($this->_db_name);
}
return $this->_db_name;
}
/**
* returns full name for table, including database name
*
* @param boolean $backquoted whether to quote name with backticks ``
*
* @return string
*/
function getFullName($backquoted = false)
{
return $this->getDbName($backquoted) . '.'
. $this->getName($backquoted);
}
/**
* returns whether the table is actually a view
*
* @return boolean whether the given is a view
*/
public function isView()
{
$db = $this->_db_name;
$table = $this->_name;
if (empty($db) || empty($table)) {
return false;
}
// use cached data or load information with SHOW command
if ($this->_dbi->getCachedTableContent(array($db, $table)) != null
|| $GLOBALS['cfg']['Server']['DisableIS']
) {
$type = $this->getStatusInfo('TABLE_TYPE');
return $type == 'VIEW' || $type == 'SYSTEM VIEW';
}
// information_schema tables are 'SYSTEM VIEW's
if ($db == 'information_schema') {
return true;
}
// query information_schema
$result = $this->_dbi->fetchResult(
"SELECT TABLE_NAME
FROM information_schema.VIEWS
WHERE TABLE_SCHEMA = '" . $GLOBALS['dbi']->escapeString($db) . "'
AND TABLE_NAME = '" . $GLOBALS['dbi']->escapeString($table) . "'"
);
return $result ? true : false;
}
/**
* Returns whether the table is actually an updatable view
*
* @return boolean whether the given is an updatable view
*/
public function isUpdatableView()
{
if (empty($this->_db_name) || empty($this->_name)) {
return false;
}
$result = $this->_dbi->fetchResult(
"SELECT TABLE_NAME
FROM information_schema.VIEWS
WHERE TABLE_SCHEMA = '" . $GLOBALS['dbi']->escapeString($this->_db_name) . "'
AND TABLE_NAME = '" . $GLOBALS['dbi']->escapeString($this->_name) . "'
AND IS_UPDATABLE = 'YES'"
);
return $result ? true : false;
}
/**
* Returns the analysis of 'SHOW CREATE TABLE' query for the table.
* In case of a view, the values are taken from the information_schema.
*
* @return array analysis of 'SHOW CREATE TABLE' query for the table
*/
public function analyzeStructure()
{
if (empty($this->_db_name) || empty($this->_name)) {
return false;
}
$analyzed_sql = array();
if ($this->isView()) {
// For a view, 'SHOW CREATE TABLE' returns the definition,
// but the structure of the view. So, we try to mock
// the result of analyzing 'SHOW CREATE TABLE' query.
$analyzed_sql[0] = array();
$analyzed_sql[0]['create_table_fields'] = array();
$results = $this->_dbi->fetchResult(
"SELECT COLUMN_NAME, DATA_TYPE
FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = '" . $GLOBALS['dbi']->escapeString($this->_db_name)
. " AND TABLE_NAME = '" . $GLOBALS['dbi']->escapeString($this->_name) . "'"
);
foreach ($results as $result) {
$analyzed_sql[0]['create_table_fields'][$result['COLUMN_NAME']]
= array(
'type' => mb_strtoupper($result['DATA_TYPE'])
);
}
} else {
$show_create_table = $this->_dbi->fetchValue(
'SHOW CREATE TABLE '
. Util::backquote($this->_db_name)
. '.' . Util::backquote($this->_name),
0,
1
);
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
}
return $analyzed_sql;
}
/**
* Checks if this is a merge table
*
* If the ENGINE of the table is MERGE or MRG_MYISAM (alias),
* this is a merge table.
*
*
* @return boolean true if it is a merge table
*/
public function isMerge()
{
$engine = null;
// if called static, with parameters
if (! empty($this->_db_name) && ! empty($this->_name)) {
$engine = $this->getStatusInfo('ENGINE', null, true);
}
// did we get engine?
if (empty($engine)) {
return false;
}
// any of known merge engines?
return in_array(
mb_strtoupper($engine),
array('MERGE', 'MRG_MYISAM')
);
}
/**
* Returns full table status info, or specific if $info provided
* this info is collected from information_schema
*
* @param string $info specific information to be fetched
* @param boolean $force_read read new rather than serving from cache
* @param boolean $disable_error if true, disables error message
*
* @todo DatabaseInterface::getTablesFull needs to be merged
* somehow into this class or at least better documented
*
* @return mixed
*/
public function getStatusInfo(
$info = null,
$force_read = false,
$disable_error = false
) {
$db = $this->_db_name;
$table = $this->_name;
if (! empty($_SESSION['is_multi_query'])) {
$disable_error = true;
}
// sometimes there is only one entry (ExactRows) so
// we have to get the table's details
if ($this->_dbi->getCachedTableContent(array($db, $table)) == null
|| $force_read
|| count($this->_dbi->getCachedTableContent(array($db, $table))) == 1
) {
$this->_dbi->getTablesFull($db, $table);
}
if ($this->_dbi->getCachedTableContent(array($db, $table)) == null) {
// happens when we enter the table creation dialog
// or when we really did not get any status info, for example
// when $table == 'TABLE_NAMES' after the user tried SHOW TABLES
return '';
}
if (null === $info) {
return $this->_dbi->getCachedTableContent(array($db, $table));
}
// array_key_exists allows for null values
if (!array_key_exists(
$info, $this->_dbi->getCachedTableContent(array($db, $table))
)
) {
if (! $disable_error) {
trigger_error(
__('Unknown table status:') . ' ' . $info,
E_USER_WARNING
);
}
return false;
}
return $this->_dbi->getCachedTableContent(array($db, $table, $info));
}
/**
* generates column specification for ALTER or CREATE TABLE syntax
*
* @param string $name name
* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
* @param string $length length ('2', '5,2', '', ...)
* @param string $attribute attribute
* @param string $collation collation
* @param bool|string $null with 'NULL' or 'NOT NULL'
* @param string $default_type whether default is CURRENT_TIMESTAMP,
* NULL, NONE, USER_DEFINED
* @param string $default_value default value for USER_DEFINED
* default type
* @param string $extra 'AUTO_INCREMENT'
* @param string $comment field comment
* @param string $virtuality virtuality of the column
* @param string $expression expression for the virtual column
* @param string $move_to new position for column
*
* @todo move into class PMA_Column
* @todo on the interface, some js to clear the default value when the
* default current_timestamp is checked
*
* @return string field specification
*/
static function generateFieldSpec($name, $type, $length = '',
$attribute = '', $collation = '', $null = false,
$default_type = 'USER_DEFINED', $default_value = '', $extra = '',
$comment = '', $virtuality = '', $expression = '', $move_to = ''
) {
$is_timestamp = mb_strpos(
mb_strtoupper($type),
'TIMESTAMP'
) !== false;
$query = Util::backquote($name) . ' ' . $type;
// allow the possibility of a length for TIME, DATETIME and TIMESTAMP
// (will work on MySQL >= 5.6.4)
//
// MySQL permits a non-standard syntax for FLOAT and DOUBLE,
// see https://dev.mysql.com/doc/refman/5.5/en/floating-point-types.html
//
$pattern = '@^(DATE|TINYBLOB|TINYTEXT|BLOB|TEXT|'
. 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID)$@i';
if (strlen($length) !== 0 && ! preg_match($pattern, $type)) {
// Note: The variable $length here can contain several other things
// besides length - ENUM/SET value or length of DECIMAL (eg. 12,3)
// so we can't just convert it to integer
$query .= '(' . $length . ')';
}
if ($virtuality) {
$query .= ' AS (' . $expression . ') ' . $virtuality;
} else {
if ($attribute != '') {
$query .= ' ' . $attribute;
if ($is_timestamp
&& preg_match('/TIMESTAMP/i', $attribute)
&& strlen($length) !== 0
&& $length !== 0
) {
$query .= '(' . $length . ')';
}
}
$matches = preg_match(
'@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i',
$type
);
if (! empty($collation) && $collation != 'NULL' && $matches) {
$query .= PMA_generateCharsetQueryPart($collation, true);
}
if ($null !== false) {
if ($null == 'NULL') {
$query .= ' NULL';
} else {
$query .= ' NOT NULL';
}
}
switch ($default_type) {
case 'USER_DEFINED' :
if ($is_timestamp && $default_value === '0') {
// a TIMESTAMP does not accept DEFAULT '0'
// but DEFAULT 0 works
$query .= ' DEFAULT 0';
} elseif ($type == 'BIT') {
$query .= ' DEFAULT b\''
. preg_replace('/[^01]/', '0', $default_value)
. '\'';
} elseif ($type == 'BOOLEAN') {
if (preg_match('/^1|T|TRUE|YES$/i', $default_value)) {
$query .= ' DEFAULT TRUE';
} elseif (preg_match('/^0|F|FALSE|NO$/i', $default_value)) {
$query .= ' DEFAULT FALSE';
} else {
// Invalid BOOLEAN value
$query .= ' DEFAULT \''
. $GLOBALS['dbi']->escapeString($default_value) . '\'';
}
} elseif ($type == 'BINARY' || $type == 'VARBINARY') {
$query .= ' DEFAULT 0x' . $default_value;
} else {
$query .= ' DEFAULT \''
. $GLOBALS['dbi']->escapeString($default_value) . '\'';
}
break;
/** @noinspection PhpMissingBreakStatementInspection */
case 'NULL' :
// If user uncheck null checkbox and not change default value null,
// default value will be ignored.
if ($null !== false && $null !== 'NULL') {
break;
}
// else fall-through intended, no break here
case 'CURRENT_TIMESTAMP' :
$query .= ' DEFAULT ' . $default_type;
if (strlen($length) !== 0
&& $length !== 0
&& $is_timestamp
&& $default_type !== 'NULL' // Not to be added in case of NULL
) {
$query .= '(' . $length . ')';
}
break;
case 'NONE' :
default :
break;
}
if (!empty($extra)) {
$query .= ' ' . $extra;
}
}
if (!empty($comment)) {
$query .= " COMMENT '" . $GLOBALS['dbi']->escapeString($comment) . "'";
}
// move column
if ($move_to == '-first') { // dash can't appear as part of column name
$query .= ' FIRST';
} elseif ($move_to != '') {
$query .= ' AFTER ' . Util::backquote($move_to);
}
return $query;
} // end function
/**
* Checks if the number of records in a table is at least equal to
* $min_records
*
* @param int $min_records Number of records to check for in a table
*
* @return bool True, if at least $min_records exist, False otherwise.
*/
public function checkIfMinRecordsExist($min_records = 0)
{
$check_query = 'SELECT ';
$fieldsToSelect = '';
$uniqueFields = $this->getUniqueColumns(true, false);
if (count($uniqueFields) > 0) {
$fieldsToSelect = implode(', ', $uniqueFields);
} else {
$indexedCols = $this->getIndexedColumns(true, false);
if (count($indexedCols) > 0) {
$fieldsToSelect = implode(', ', $indexedCols);
} else {
$fieldsToSelect = '*';
}
}
$check_query .= $fieldsToSelect
. ' FROM ' . $this->getFullName(true)
. ' LIMIT ' . $min_records;
$res = $GLOBALS['dbi']->tryQuery(
$check_query
);
if ($res !== false) {
$num_records = $GLOBALS['dbi']->numRows($res);
if ($num_records >= $min_records) {
return true;
}
}
return false;
}
/**
* Counts and returns (or displays) the number of records in a table
*
* @param bool $force_exact whether to force an exact count
*
* @return mixed the number of records if "retain" param is true,
* otherwise true
*/
public function countRecords($force_exact = false)
{
$is_view = $this->isView();
$db = $this->_db_name;
$table = $this->_name;
if ($this->_dbi->getCachedTableContent(array($db, $table, 'ExactRows')) != null) {
$row_count = $this->_dbi->getCachedTableContent(
array($db, $table, 'ExactRows')
);
return $row_count;
}
$row_count = false;
if (! $force_exact) {
if (($this->_dbi->getCachedTableContent(array($db, $table, 'Rows')) == null)
&& !$is_view
) {
$tmp_tables = $this->_dbi->getTablesFull($db, $table);
if (isset($tmp_tables[$table])) {
$this->_dbi->cacheTableContent(
array($db, $table),
$tmp_tables[$table]
);
}
}
if ($this->_dbi->getCachedTableContent(array($db, $table, 'Rows')) != null) {
$row_count = $this->_dbi->getCachedTableContent(
array($db, $table, 'Rows')
);
} else {
$row_count = false;
}
}
// for a VIEW, $row_count is always false at this point
if (false !== $row_count
&& $row_count >= $GLOBALS['cfg']['MaxExactCount']
) {
return $row_count;
}
if (! $is_view) {
$row_count = $this->_dbi->fetchValue(
'SELECT COUNT(*) FROM ' . Util::backquote($db) . '.'
. Util::backquote($table)
);
} else {
// For complex views, even trying to get a partial record
// count could bring down a server, so we offer an
// alternative: setting MaxExactCountViews to 0 will bypass
// completely the record counting for views
if ($GLOBALS['cfg']['MaxExactCountViews'] == 0) {
$row_count = false;
} else {
// Counting all rows of a VIEW could be too long,
// so use a LIMIT clause.
// Use try_query because it can fail (when a VIEW is
// based on a table that no longer exists)
$result = $this->_dbi->tryQuery(
'SELECT 1 FROM ' . Util::backquote($db) . '.'
. Util::backquote($table) . ' LIMIT '
. $GLOBALS['cfg']['MaxExactCountViews'],
null,
DatabaseInterface::QUERY_STORE
);
if (!$this->_dbi->getError()) {
$row_count = $this->_dbi->numRows($result);
$this->_dbi->freeResult($result);
}
}
}
if ($row_count) {
$this->_dbi->cacheTableContent(array($db, $table, 'ExactRows'), $row_count);
}
return $row_count;
} // end of the 'Table::countRecords()' function
/**
* Generates column specification for ALTER syntax
*
* @param string $oldcol old column name
* @param string $newcol new column name
* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
* @param string $length length ('2', '5,2', '', ...)
* @param string $attribute attribute
* @param string $collation collation
* @param bool|string $null with 'NULL' or 'NOT NULL'
* @param string $default_type whether default is CURRENT_TIMESTAMP,
* NULL, NONE, USER_DEFINED
* @param string $default_value default value for USER_DEFINED default
* type
* @param string $extra 'AUTO_INCREMENT'
* @param string $comment field comment
* @param string $virtuality virtuality of the column
* @param string $expression expression for the virtual column
* @param string $move_to new position for column
*
* @see Table::generateFieldSpec()
*
* @return string field specification
*/
static public function generateAlter($oldcol, $newcol, $type, $length,
$attribute, $collation, $null, $default_type, $default_value,
$extra, $comment, $virtuality, $expression, $move_to
) {
return Util::backquote($oldcol) . ' '
. Table::generateFieldSpec(
$newcol, $type, $length, $attribute,
$collation, $null, $default_type, $default_value, $extra,
$comment, $virtuality, $expression, $move_to
);
} // end function
/**
* Inserts existing entries in a PMA_* table by reading a value from an old
* entry
*
* @param string $work The array index, which Relation feature to
* check ('relwork', 'commwork', ...)
* @param string $pma_table The array index, which PMA-table to update
* ('bookmark', 'relation', ...)
* @param array $get_fields Which fields will be SELECT'ed from the old entry
* @param array $where_fields Which fields will be used for the WHERE query
* (array('FIELDNAME' => 'FIELDVALUE'))
* @param array $new_fields Which fields will be used as new VALUES.
* These are the important keys which differ
* from the old entry
* (array('FIELDNAME' => 'NEW FIELDVALUE'))
*
* @global relation variable
*
* @return int|true
*/
static public function duplicateInfo($work, $pma_table, $get_fields,
$where_fields, $new_fields
) {
$last_id = -1;
if (!isset($GLOBALS['cfgRelation']) || !$GLOBALS['cfgRelation'][$work]) {
return true;
}
$select_parts = array();
$row_fields = array();
foreach ($get_fields as $get_field) {
$select_parts[] = Util::backquote($get_field);
$row_fields[$get_field] = 'cc';
}
$where_parts = array();
foreach ($where_fields as $_where => $_value) {
$where_parts[] = Util::backquote($_where) . ' = \''
. $GLOBALS['dbi']->escapeString($_value) . '\'';
}
$new_parts = array();
$new_value_parts = array();
foreach ($new_fields as $_where => $_value) {
$new_parts[] = Util::backquote($_where);
$new_value_parts[] = $GLOBALS['dbi']->escapeString($_value);
}
$table_copy_query = '
SELECT ' . implode(', ', $select_parts) . '
FROM ' . Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. Util::backquote($GLOBALS['cfgRelation'][$pma_table]) . '
WHERE ' . implode(' AND ', $where_parts);
// must use DatabaseInterface::QUERY_STORE here, since we execute
// another query inside the loop
$table_copy_rs = PMA_queryAsControlUser(
$table_copy_query, true, DatabaseInterface::QUERY_STORE
);
while ($table_copy_row = @$GLOBALS['dbi']->fetchAssoc($table_copy_rs)) {
$value_parts = array();
foreach ($table_copy_row as $_key => $_val) {
if (isset($row_fields[$_key]) && $row_fields[$_key] == 'cc') {
$value_parts[] = $GLOBALS['dbi']->escapeString($_val);
}
}
$new_table_query = 'INSERT IGNORE INTO '
. Util::backquote($GLOBALS['cfgRelation']['db'])
. '.' . Util::backquote($GLOBALS['cfgRelation'][$pma_table])
. ' (' . implode(', ', $select_parts) . ', '
. implode(', ', $new_parts) . ') VALUES (\''
. implode('\', \'', $value_parts) . '\', \''
. implode('\', \'', $new_value_parts) . '\')';
PMA_queryAsControlUser($new_table_query);
$last_id = $GLOBALS['dbi']->insertId();
} // end while
$GLOBALS['dbi']->freeResult($table_copy_rs);
return $last_id;
} // end of 'Table::duplicateInfo()' function
/**
* Copies or renames table
*
* @param string $source_db source database
* @param string $source_table source table
* @param string $target_db target database
* @param string $target_table target table
* @param string $what what to be moved or copied (data, dataonly)
* @param bool $move whether to move
* @param string $mode mode
*
* @return bool true if success, false otherwise
*/
static public function moveCopy($source_db, $source_table, $target_db,
$target_table, $what, $move, $mode
) {
global $err_url;
// Try moving the tables directly, using native `RENAME` statement.
if ($move && $what == 'data') {
$tbl = new Table($source_table, $source_db);
if ($tbl->rename($target_table, $target_db)) {
$GLOBALS['message'] = $tbl->getLastMessage();
return true;
}
}
// Setting required export settings.
$GLOBALS['sql_backquotes'] = 1;
$GLOBALS['asfile'] = 1;
// Ensuring the target database is valid.
if (! $GLOBALS['dblist']->databases->exists($source_db, $target_db)) {
if (! $GLOBALS['dblist']->databases->exists($source_db)) {
$GLOBALS['message'] = Message::rawError(
sprintf(
__('Source database `%s` was not found!'),
htmlspecialchars($source_db)
)
);
}
if (! $GLOBALS['dblist']->databases->exists($target_db)) {
$GLOBALS['message'] = Message::rawError(
sprintf(
__('Target database `%s` was not found!'),
htmlspecialchars($target_db)
)
);
}
return false;
}
/**
* The full name of source table, quoted.
* @var string $source
*/
$source = Util::backquote($source_db)
. '.' . Util::backquote($source_table);
// If the target database is not specified, the operation is taking
// place in the same database.
if (! isset($target_db) || ! mb_strlen($target_db)) {
$target_db = $source_db;
}
// Selecting the database could avoid some problems with replicated
// databases, when moving table from replicated one to not replicated one.
$GLOBALS['dbi']->selectDb($target_db);
/**
* The full name of target table, quoted.
* @var string $target
*/
$target = Util::backquote($target_db)
. '.' . Util::backquote($target_table);
// No table is created when this is a data-only operation.
if ($what != 'dataonly') {
include_once "libraries/plugin_interface.lib.php";
/**
* Instance used for exporting the current structure of the table.
*
* @var \PMA\libraries\plugins\export\ExportSql
*/
$export_sql_plugin = PMA_getPlugin(
"export",
"sql",
'libraries/plugins/export/',
array(
'export_type' => 'table',
'single_table' => false,
)
);
$no_constraints_comments = true;
$GLOBALS['sql_constraints_query'] = '';
// set the value of global sql_auto_increment variable
if (isset($_POST['sql_auto_increment'])) {
$GLOBALS['sql_auto_increment'] = $_POST['sql_auto_increment'];
}
/**
* The old structure of the table..
* @var string $sql_structure
*/
$sql_structure = $export_sql_plugin->getTableDef(
$source_db, $source_table, "\n", $err_url, false, false
);
unset($no_constraints_comments);
// -----------------------------------------------------------------
// Phase 0: Preparing structures used.
/**
* The destination where the table is moved or copied to.
* @var Expression
*/
$destination = new Expression(
$target_db, $target_table, ''
);
// Find server's SQL mode so the builder can generate correct
// queries.
// One of the options that alters the behaviour is `ANSI_QUOTES`.
Context::setMode(
$GLOBALS['dbi']->fetchValue("SELECT @@sql_mode")
);
// -----------------------------------------------------------------
// Phase 1: Dropping existent element of the same name (if exists
// and required).
if (isset($_REQUEST['drop_if_exists'])
&& $_REQUEST['drop_if_exists'] == 'true'
) {
/**
* Drop statement used for building the query.
* @var DropStatement $statement
*/
$statement = new DropStatement();
$tbl = new Table($target_db, $target_table);
$statement->options = new OptionsArray(
array(
$tbl->isView() ? 'VIEW' : 'TABLE',
'IF EXISTS',
)
);
$statement->fields = array($destination);
// Building the query.
$drop_query = $statement->build() . ';';
// Executing it.
$GLOBALS['dbi']->query($drop_query);
$GLOBALS['sql_query'] .= "\n" . $drop_query;
// If an existing table gets deleted, maintain any entries for
// the PMA_* tables.
$maintain_relations = true;
}
// -----------------------------------------------------------------
// Phase 2: Generating the new query of this structure.
/**
* The parser responsible for parsing the old queries.
* @var Parser $parser
*/
$parser = new Parser($sql_structure);
if (!empty($parser->statements[0])) {
/**
* The CREATE statement of this structure.
* @var \SqlParser\Statements\CreateStatement $statement
*/
$statement = $parser->statements[0];
// Changing the destination.
$statement->name = $destination;
// Building back the query.
$sql_structure = $statement->build() . ';';
// Executing it.
$GLOBALS['dbi']->query($sql_structure);
$GLOBALS['sql_query'] .= "\n" . $sql_structure;
}
// -----------------------------------------------------------------
// Phase 3: Adding constraints.
// All constraint names are removed because they must be unique.
if (($move || isset($GLOBALS['add_constraints']))
&& !empty($GLOBALS['sql_constraints_query'])
) {
$parser = new Parser($GLOBALS['sql_constraints_query']);
/**
* The ALTER statement that generates the constraints.
* @var \SqlParser\Statements\AlterStatement $statement
*/
$statement = $parser->statements[0];
// Changing the altered table to the destination.
$statement->table = $destination;
// Removing the name of the constraints.
foreach ($statement->altered as $idx => $altered) {
// All constraint names are removed because they must be unique.
if ($altered->options->has('CONSTRAINT')) {
$altered->field = null;
}
}
// Building back the query.
$GLOBALS['sql_constraints_query'] = $statement->build() . ';';
// Executing it.
if ($mode == 'one_table') {
$GLOBALS['dbi']->query($GLOBALS['sql_constraints_query']);
}
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
if ($mode == 'one_table') {
unset($GLOBALS['sql_constraints_query']);
}
}
// -----------------------------------------------------------------
// Phase 4: Adding indexes.
// View phase 3.