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Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 3 months ago
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1 # 2005 August 13
2 #
3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
5 #
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
9 #
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is testing the LIKE and GLOB operators and
13 # in particular the optimizations that occur to help those operators
14 # run faster.
15 #
16 # $Id: like.test,v 1.13 2009/06/07 23:45:11 drh Exp $
17
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
20
21 # Create some sample data to work with.
22 #
23 do_test like-1.0 {
24 execsql {
25 CREATE TABLE t1(x TEXT);
26 }
27 foreach str {
28 a
29 ab
30 abc
31 abcd
32
33 acd
34 abd
35 bc
36 bcd
37
38 xyz
39 ABC
40 CDE
41 {ABC abc xyz}
42 } {
43 db eval {INSERT INTO t1 VALUES(:str)}
44 }
45 execsql {
46 SELECT count(*) FROM t1;
47 }
48 } {12}
49
50 # Test that both case sensitive and insensitive version of LIKE work.
51 #
52 do_test like-1.1 {
53 execsql {
54 SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
55 }
56 } {ABC abc}
57 do_test like-1.2 {
58 execsql {
59 SELECT x FROM t1 WHERE x GLOB 'abc' ORDER BY 1;
60 }
61 } {abc}
62 do_test like-1.3 {
63 execsql {
64 SELECT x FROM t1 WHERE x LIKE 'ABC' ORDER BY 1;
65 }
66 } {ABC abc}
67 do_test like-1.4 {
68 execsql {
69 SELECT x FROM t1 WHERE x LIKE 'aBc' ORDER BY 1;
70 }
71 } {ABC abc}
72 do_test like-1.5.1 {
73 # Use sqlite3_exec() to verify fix for ticket [25ee81271091] 2011-06-26
74 sqlite3_exec db {PRAGMA case_sensitive_like=on}
75 } {0 {}}
76 do_test like-1.5.2 {
77 execsql {
78 SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
79 }
80 } {abc}
81 do_test like-1.5.3 {
82 execsql {
83 PRAGMA case_sensitive_like; -- no argument; does not change setting
84 SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
85 }
86 } {abc}
87 do_test like-1.6 {
88 execsql {
89 SELECT x FROM t1 WHERE x GLOB 'abc' ORDER BY 1;
90 }
91 } {abc}
92 do_test like-1.7 {
93 execsql {
94 SELECT x FROM t1 WHERE x LIKE 'ABC' ORDER BY 1;
95 }
96 } {ABC}
97 do_test like-1.8 {
98 execsql {
99 SELECT x FROM t1 WHERE x LIKE 'aBc' ORDER BY 1;
100 }
101 } {}
102 do_test like-1.9 {
103 execsql {
104 PRAGMA case_sensitive_like=off;
105 SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
106 }
107 } {ABC abc}
108 do_test like-1.10 {
109 execsql {
110 PRAGMA case_sensitive_like; -- No argument, does not change setting.
111 SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
112 }
113 } {ABC abc}
114
115 # Tests of the REGEXP operator
116 #
117 do_test like-2.1 {
118 proc test_regexp {a b} {
119 return [regexp $a $b]
120 }
121 db function regexp -argcount 2 test_regexp
122 execsql {
123 SELECT x FROM t1 WHERE x REGEXP 'abc' ORDER BY 1;
124 }
125 } {{ABC abc xyz} abc abcd}
126 do_test like-2.2 {
127 execsql {
128 SELECT x FROM t1 WHERE x REGEXP '^abc' ORDER BY 1;
129 }
130 } {abc abcd}
131
132 # Tests of the MATCH operator
133 #
134 do_test like-2.3 {
135 proc test_match {a b} {
136 return [string match $a $b]
137 }
138 db function match -argcount 2 test_match
139 execsql {
140 SELECT x FROM t1 WHERE x MATCH '*abc*' ORDER BY 1;
141 }
142 } {{ABC abc xyz} abc abcd}
143 do_test like-2.4 {
144 execsql {
145 SELECT x FROM t1 WHERE x MATCH 'abc*' ORDER BY 1;
146 }
147 } {abc abcd}
148
149 # For the remaining tests, we need to have the like optimizations
150 # enabled.
151 #
152 ifcapable !like_opt {
153 finish_test
154 return
155 }
156
157 # This procedure executes the SQL. Then it appends to the result the
158 # "sort" or "nosort" keyword (as in the cksort procedure above) then
159 # it appends the names of the table and index used.
160 #
161 proc queryplan {sql} {
162 set ::sqlite_sort_count 0
163 set data [execsql $sql]
164 if {$::sqlite_sort_count} {set x sort} {set x nosort}
165 lappend data $x
166 set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
167 # puts eqp=$eqp
168 foreach {a b c x} $eqp {
169 if {[regexp { TABLE (\w+ AS )?(\w+) USING COVERING INDEX (\w+)\y} \
170 $x all as tab idx]} {
171 lappend data {} $idx
172 } elseif {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\y} \
173 $x all as tab idx]} {
174 lappend data $tab $idx
175 } elseif {[regexp { TABLE (\w+ AS )?(\w+)\y} $x all as tab]} {
176 lappend data $tab *
177 }
178 }
179 return $data
180 }
181
182 # Perform tests on the like optimization.
183 #
184 # With no index on t1.x and with case sensitivity turned off, no optimization
185 # is performed.
186 #
187 do_test like-3.1 {
188 set sqlite_like_count 0
189 queryplan {
190 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
191 }
192 } {ABC {ABC abc xyz} abc abcd sort t1 *}
193 do_test like-3.2 {
194 set sqlite_like_count
195 } {12}
196
197 # With an index on t1.x and case sensitivity on, optimize completely.
198 #
199 do_test like-3.3 {
200 set sqlite_like_count 0
201 execsql {
202 PRAGMA case_sensitive_like=on;
203 CREATE INDEX i1 ON t1(x);
204 }
205 queryplan {
206 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
207 }
208 } {abc abcd nosort {} i1}
209 do_test like-3.4 {
210 set sqlite_like_count
211 } 0
212
213 # The LIKE optimization still works when the RHS is a string with no
214 # wildcard. Ticket [e090183531fc2747]
215 #
216 do_test like-3.4.2 {
217 queryplan {
218 SELECT x FROM t1 WHERE x LIKE 'a' ORDER BY 1;
219 }
220 } {a nosort {} i1}
221 do_test like-3.4.3 {
222 queryplan {
223 SELECT x FROM t1 WHERE x LIKE 'ab' ORDER BY 1;
224 }
225 } {ab nosort {} i1}
226 do_test like-3.4.4 {
227 queryplan {
228 SELECT x FROM t1 WHERE x LIKE 'abcd' ORDER BY 1;
229 }
230 } {abcd nosort {} i1}
231 do_test like-3.4.5 {
232 queryplan {
233 SELECT x FROM t1 WHERE x LIKE 'abcde' ORDER BY 1;
234 }
235 } {nosort {} i1}
236
237
238 # Partial optimization when the pattern does not end in '%'
239 #
240 do_test like-3.5 {
241 set sqlite_like_count 0
242 queryplan {
243 SELECT x FROM t1 WHERE x LIKE 'a_c' ORDER BY 1;
244 }
245 } {abc nosort {} i1}
246 do_test like-3.6 {
247 set sqlite_like_count
248 } 6
249 do_test like-3.7 {
250 set sqlite_like_count 0
251 queryplan {
252 SELECT x FROM t1 WHERE x LIKE 'ab%d' ORDER BY 1;
253 }
254 } {abcd abd nosort {} i1}
255 do_test like-3.8 {
256 set sqlite_like_count
257 } 4
258 do_test like-3.9 {
259 set sqlite_like_count 0
260 queryplan {
261 SELECT x FROM t1 WHERE x LIKE 'a_c%' ORDER BY 1;
262 }
263 } {abc abcd nosort {} i1}
264 do_test like-3.10 {
265 set sqlite_like_count
266 } 6
267
268 # No optimization when the pattern begins with a wildcard.
269 # Note that the index is still used but only for sorting.
270 #
271 do_test like-3.11 {
272 set sqlite_like_count 0
273 queryplan {
274 SELECT x FROM t1 WHERE x LIKE '%bcd' ORDER BY 1;
275 }
276 } {abcd bcd nosort {} i1}
277 do_test like-3.12 {
278 set sqlite_like_count
279 } 12
280
281 # No optimization for case insensitive LIKE
282 #
283 do_test like-3.13 {
284 set sqlite_like_count 0
285 db eval {PRAGMA case_sensitive_like=off;}
286 queryplan {
287 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
288 }
289 } {ABC {ABC abc xyz} abc abcd nosort {} i1}
290 do_test like-3.14 {
291 set sqlite_like_count
292 } 12
293
294 # No optimization without an index.
295 #
296 do_test like-3.15 {
297 set sqlite_like_count 0
298 db eval {
299 PRAGMA case_sensitive_like=on;
300 DROP INDEX i1;
301 }
302 queryplan {
303 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
304 }
305 } {abc abcd sort t1 *}
306 do_test like-3.16 {
307 set sqlite_like_count
308 } 12
309
310 # No GLOB optimization without an index.
311 #
312 do_test like-3.17 {
313 set sqlite_like_count 0
314 queryplan {
315 SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
316 }
317 } {abc abcd sort t1 *}
318 do_test like-3.18 {
319 set sqlite_like_count
320 } 12
321
322 # GLOB is optimized regardless of the case_sensitive_like setting.
323 #
324 do_test like-3.19 {
325 set sqlite_like_count 0
326 db eval {CREATE INDEX i1 ON t1(x);}
327 queryplan {
328 SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
329 }
330 } {abc abcd nosort {} i1}
331 do_test like-3.20 {
332 set sqlite_like_count
333 } 0
334 do_test like-3.21 {
335 set sqlite_like_count 0
336 db eval {PRAGMA case_sensitive_like=on;}
337 queryplan {
338 SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
339 }
340 } {abc abcd nosort {} i1}
341 do_test like-3.22 {
342 set sqlite_like_count
343 } 0
344 do_test like-3.23 {
345 set sqlite_like_count 0
346 db eval {PRAGMA case_sensitive_like=off;}
347 queryplan {
348 SELECT x FROM t1 WHERE x GLOB 'a[bc]d' ORDER BY 1;
349 }
350 } {abd acd nosort {} i1}
351 do_test like-3.24 {
352 set sqlite_like_count
353 } 6
354
355 # GLOB optimization when there is no wildcard. Ticket [e090183531fc2747]
356 #
357 do_test like-3.25 {
358 queryplan {
359 SELECT x FROM t1 WHERE x GLOB 'a' ORDER BY 1;
360 }
361 } {a nosort {} i1}
362 do_test like-3.26 {
363 queryplan {
364 SELECT x FROM t1 WHERE x GLOB 'abcd' ORDER BY 1;
365 }
366 } {abcd nosort {} i1}
367 do_test like-3.27 {
368 queryplan {
369 SELECT x FROM t1 WHERE x GLOB 'abcde' ORDER BY 1;
370 }
371 } {nosort {} i1}
372
373
374
375 # No optimization if the LHS of the LIKE is not a column name or
376 # if the RHS is not a string.
377 #
378 do_test like-4.1 {
379 execsql {PRAGMA case_sensitive_like=on}
380 set sqlite_like_count 0
381 queryplan {
382 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1
383 }
384 } {abc abcd nosort {} i1}
385 do_test like-4.2 {
386 set sqlite_like_count
387 } 0
388 do_test like-4.3 {
389 set sqlite_like_count 0
390 queryplan {
391 SELECT x FROM t1 WHERE +x LIKE 'abc%' ORDER BY 1
392 }
393 } {abc abcd nosort {} i1}
394 do_test like-4.4 {
395 set sqlite_like_count
396 } 12
397 do_test like-4.5 {
398 set sqlite_like_count 0
399 queryplan {
400 SELECT x FROM t1 WHERE x LIKE ('ab' || 'c%') ORDER BY 1
401 }
402 } {abc abcd nosort {} i1}
403 do_test like-4.6 {
404 set sqlite_like_count
405 } 12
406
407 # Collating sequences on the index disable the LIKE optimization.
408 # Or if the NOCASE collating sequence is used, the LIKE optimization
409 # is enabled when case_sensitive_like is OFF.
410 #
411 do_test like-5.1 {
412 execsql {PRAGMA case_sensitive_like=off}
413 set sqlite_like_count 0
414 queryplan {
415 SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1
416 }
417 } {ABC {ABC abc xyz} abc abcd nosort {} i1}
418 do_test like-5.2 {
419 set sqlite_like_count
420 } 12
421 do_test like-5.3 {
422 execsql {
423 CREATE TABLE t2(x TEXT COLLATE NOCASE);
424 INSERT INTO t2 SELECT * FROM t1 ORDER BY rowid;
425 CREATE INDEX i2 ON t2(x COLLATE NOCASE);
426 }
427 set sqlite_like_count 0
428 queryplan {
429 SELECT x FROM t2 WHERE x LIKE 'abc%' ORDER BY 1
430 }
431 } {abc ABC {ABC abc xyz} abcd nosort {} i2}
432 do_test like-5.4 {
433 set sqlite_like_count
434 } 0
435 do_test like-5.5 {
436 execsql {
437 PRAGMA case_sensitive_like=on;
438 }
439 set sqlite_like_count 0
440 queryplan {
441 SELECT x FROM t2 WHERE x LIKE 'abc%' ORDER BY 1
442 }
443 } {abc abcd nosort {} i2}
444 do_test like-5.6 {
445 set sqlite_like_count
446 } 12
447 do_test like-5.7 {
448 execsql {
449 PRAGMA case_sensitive_like=off;
450 }
451 set sqlite_like_count 0
452 queryplan {
453 SELECT x FROM t2 WHERE x GLOB 'abc*' ORDER BY 1
454 }
455 } {abc abcd nosort {} i2}
456 do_test like-5.8 {
457 set sqlite_like_count
458 } 12
459 do_test like-5.11 {
460 execsql {PRAGMA case_sensitive_like=off}
461 set sqlite_like_count 0
462 queryplan {
463 SELECT x FROM t1 WHERE x LIKE 'ABC%' ORDER BY 1
464 }
465 } {ABC {ABC abc xyz} abc abcd nosort {} i1}
466 do_test like-5.12 {
467 set sqlite_like_count
468 } 12
469 do_test like-5.13 {
470 set sqlite_like_count 0
471 queryplan {
472 SELECT x FROM t2 WHERE x LIKE 'ABC%' ORDER BY 1
473 }
474 } {abc ABC {ABC abc xyz} abcd nosort {} i2}
475 do_test like-5.14 {
476 set sqlite_like_count
477 } 0
478 do_test like-5.15 {
479 execsql {
480 PRAGMA case_sensitive_like=on;
481 }
482 set sqlite_like_count 0
483 queryplan {
484 SELECT x FROM t2 WHERE x LIKE 'ABC%' ORDER BY 1
485 }
486 } {ABC {ABC abc xyz} nosort {} i2}
487 do_test like-5.16 {
488 set sqlite_like_count
489 } 12
490 do_test like-5.17 {
491 execsql {
492 PRAGMA case_sensitive_like=off;
493 }
494 set sqlite_like_count 0
495 queryplan {
496 SELECT x FROM t2 WHERE x GLOB 'ABC*' ORDER BY 1
497 }
498 } {ABC {ABC abc xyz} nosort {} i2}
499 do_test like-5.18 {
500 set sqlite_like_count
501 } 12
502
503 # Boundary case. The prefix for a LIKE comparison is rounded up
504 # when constructing the comparison. Example: "ab" becomes "ac".
505 # In other words, the last character is increased by one.
506 #
507 # Make sure this happens correctly when the last character is a
508 # "z" and we are doing case-insensitive comparisons.
509 #
510 # Ticket #2959
511 #
512 do_test like-5.21 {
513 execsql {
514 PRAGMA case_sensitive_like=off;
515 INSERT INTO t2 VALUES('ZZ-upper-upper');
516 INSERT INTO t2 VALUES('zZ-lower-upper');
517 INSERT INTO t2 VALUES('Zz-upper-lower');
518 INSERT INTO t2 VALUES('zz-lower-lower');
519 }
520 queryplan {
521 SELECT x FROM t2 WHERE x LIKE 'zz%';
522 }
523 } {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
524 do_test like-5.22 {
525 queryplan {
526 SELECT x FROM t2 WHERE x LIKE 'zZ%';
527 }
528 } {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
529 do_test like-5.23 {
530 queryplan {
531 SELECT x FROM t2 WHERE x LIKE 'Zz%';
532 }
533 } {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
534 do_test like-5.24 {
535 queryplan {
536 SELECT x FROM t2 WHERE x LIKE 'ZZ%';
537 }
538 } {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
539 do_test like-5.25 {
540 db eval {
541 PRAGMA case_sensitive_like=on;
542 CREATE TABLE t3(x TEXT);
543 CREATE INDEX i3 ON t3(x);
544 INSERT INTO t3 VALUES('ZZ-upper-upper');
545 INSERT INTO t3 VALUES('zZ-lower-upper');
546 INSERT INTO t3 VALUES('Zz-upper-lower');
547 INSERT INTO t3 VALUES('zz-lower-lower');
548 }
549 queryplan {
550 SELECT x FROM t3 WHERE x LIKE 'zz%';
551 }
552 } {zz-lower-lower nosort {} i3}
553 do_test like-5.26 {
554 queryplan {
555 SELECT x FROM t3 WHERE x LIKE 'zZ%';
556 }
557 } {zZ-lower-upper nosort {} i3}
558 do_test like-5.27 {
559 queryplan {
560 SELECT x FROM t3 WHERE x LIKE 'Zz%';
561 }
562 } {Zz-upper-lower nosort {} i3}
563 do_test like-5.28 {
564 queryplan {
565 SELECT x FROM t3 WHERE x LIKE 'ZZ%';
566 }
567 } {ZZ-upper-upper nosort {} i3}
568
569
570 # ticket #2407
571 #
572 # Make sure the LIKE prefix optimization does not strip off leading
573 # characters of the like pattern that happen to be quote characters.
574 #
575 do_test like-6.1 {
576 foreach x { 'abc 'bcd 'def 'ax } {
577 set x2 '[string map {' ''} $x]'
578 db eval "INSERT INTO t2 VALUES($x2)"
579 }
580 execsql {
581 SELECT * FROM t2 WHERE x LIKE '''a%'
582 }
583 } {'abc 'ax}
584
585 do_test like-7.1 {
586 execsql {
587 SELECT rowid, * FROM t1 WHERE rowid GLOB '1*' ORDER BY rowid;
588 }
589 } {1 a 10 ABC 11 CDE 12 {ABC abc xyz}}
590
591 # ticket #3345.
592 #
593 # Overloading the LIKE function with -1 for the number of arguments
594 # will overload both the 2-argument and the 3-argument LIKE.
595 #
596 do_test like-8.1 {
597 db eval {
598 CREATE TABLE t8(x);
599 INSERT INTO t8 VALUES('abcdef');
600 INSERT INTO t8 VALUES('ghijkl');
601 INSERT INTO t8 VALUES('mnopqr');
602 SELECT 1, x FROM t8 WHERE x LIKE '%h%';
603 SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
604 }
605 } {1 ghijkl 2 ghijkl}
606 do_test like-8.2 {
607 proc newlike {args} {return 1} ;# Alternative LIKE is always return TRUE
608 db function like newlike ;# Uses -1 for nArg in sqlite3_create_function
609 db cache flush
610 db eval {
611 SELECT 1, x FROM t8 WHERE x LIKE '%h%';
612 SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
613 }
614 } {1 ghijkl 2 ghijkl}
615 do_test like-8.3 {
616 db function like -argcount 2 newlike
617 db eval {
618 SELECT 1, x FROM t8 WHERE x LIKE '%h%';
619 SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
620 }
621 } {1 abcdef 1 ghijkl 1 mnopqr 2 ghijkl}
622 do_test like-8.4 {
623 db function like -argcount 3 newlike
624 db eval {
625 SELECT 1, x FROM t8 WHERE x LIKE '%h%';
626 SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
627 }
628 } {1 abcdef 1 ghijkl 1 mnopqr 2 abcdef 2 ghijkl 2 mnopqr}
629
630
631 ifcapable like_opt&&!icu {
632 # Evaluate SQL. Return the result set followed by the
633 # and the number of full-scan steps.
634 #
635 db close
636 sqlite3 db test.db
637 proc count_steps {sql} {
638 set r [db eval $sql]
639 lappend r scan [db status step] sort [db status sort]
640 }
641 do_test like-9.1 {
642 count_steps {
643 SELECT x FROM t2 WHERE x LIKE 'x%'
644 }
645 } {xyz scan 0 sort 0}
646 do_test like-9.2 {
647 count_steps {
648 SELECT x FROM t2 WHERE x LIKE '_y%'
649 }
650 } {xyz scan 19 sort 0}
651 do_test like-9.3.1 {
652 set res [sqlite3_exec_hex db {
653 SELECT x FROM t2 WHERE x LIKE '%78%25'
654 }]
655 } {0 {x xyz}}
656 ifcapable explain {
657 do_test like-9.3.2 {
658 set res [sqlite3_exec_hex db {
659 EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%78%25'
660 }]
661 regexp {INDEX i2} $res
662 } {1}
663 }
664 do_test like-9.4.1 {
665 sqlite3_exec_hex db {INSERT INTO t2 VALUES('%ffhello')}
666 set res [sqlite3_exec_hex db {
667 SELECT substr(x,2) AS x FROM t2 WHERE +x LIKE '%ff%25'
668 }]
669 } {0 {x hello}}
670 do_test like-9.4.2 {
671 set res [sqlite3_exec_hex db {
672 SELECT substr(x,2) AS x FROM t2 WHERE x LIKE '%ff%25'
673 }]
674 } {0 {x hello}}
675 ifcapable explain {
676 do_test like-9.4.3 {
677 set res [sqlite3_exec_hex db {
678 EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%ff%25'
679 }]
680 regexp {SCAN TABLE t2} $res
681 } {1}
682 }
683 do_test like-9.5.1 {
684 set res [sqlite3_exec_hex db {
685 SELECT x FROM t2 WHERE x LIKE '%fe%25'
686 }]
687 } {0 {}}
688 ifcapable explain {
689 do_test like-9.5.2 {
690 set res [sqlite3_exec_hex db {
691 EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%fe%25'
692 }]
693 regexp {INDEX i2} $res
694 } {1}
695 }
696
697 # Do an SQL statement. Append the search count to the end of the result.
698 #
699 proc count sql {
700 set ::sqlite_search_count 0
701 set ::sqlite_like_count 0
702 return [concat [execsql $sql] scan $::sqlite_search_count \
703 like $::sqlite_like_count]
704 }
705
706 # The LIKE and GLOB optimizations do not work on columns with
707 # affinity other than TEXT.
708 # Ticket #3901
709 #
710 do_test like-10.1 {
711 db close
712 sqlite3 db test.db
713 execsql {
714 CREATE TABLE t10(
715 a INTEGER PRIMARY KEY,
716 b INTEGER COLLATE nocase UNIQUE,
717 c NUMBER COLLATE nocase UNIQUE,
718 d BLOB COLLATE nocase UNIQUE,
719 e COLLATE nocase UNIQUE,
720 f TEXT COLLATE nocase UNIQUE
721 );
722 INSERT INTO t10 VALUES(1,1,1,1,1,1);
723 INSERT INTO t10 VALUES(12,12,12,12,12,12);
724 INSERT INTO t10 VALUES(123,123,123,123,123,123);
725 INSERT INTO t10 VALUES(234,234,234,234,234,234);
726 INSERT INTO t10 VALUES(345,345,345,345,345,345);
727 INSERT INTO t10 VALUES(45,45,45,45,45,45);
728 }
729 count {
730 SELECT a FROM t10 WHERE b LIKE '12%' ORDER BY +a;
731 }
732 } {12 123 scan 5 like 6}
733 do_test like-10.2 {
734 count {
735 SELECT a FROM t10 WHERE c LIKE '12%' ORDER BY +a;
736 }
737 } {12 123 scan 5 like 6}
738 do_test like-10.3 {
739 count {
740 SELECT a FROM t10 WHERE d LIKE '12%' ORDER BY +a;
741 }
742 } {12 123 scan 5 like 6}
743 do_test like-10.4 {
744 count {
745 SELECT a FROM t10 WHERE e LIKE '12%' ORDER BY +a;
746 }
747 } {12 123 scan 5 like 6}
748 do_test like-10.5 {
749 count {
750 SELECT a FROM t10 WHERE f LIKE '12%' ORDER BY +a;
751 }
752 } {12 123 scan 3 like 0}
753 do_test like-10.6 {
754 count {
755 SELECT a FROM t10 WHERE a LIKE '12%' ORDER BY +a;
756 }
757 } {12 123 scan 5 like 6}
758 do_test like-10.10 {
759 execsql {
760 CREATE TABLE t10b(
761 a INTEGER PRIMARY KEY,
762 b INTEGER UNIQUE,
763 c NUMBER UNIQUE,
764 d BLOB UNIQUE,
765 e UNIQUE,
766 f TEXT UNIQUE
767 );
768 INSERT INTO t10b SELECT * FROM t10;
769 }
770 count {
771 SELECT a FROM t10b WHERE b GLOB '12*' ORDER BY +a;
772 }
773 } {12 123 scan 5 like 6}
774 do_test like-10.11 {
775 count {
776 SELECT a FROM t10b WHERE c GLOB '12*' ORDER BY +a;
777 }
778 } {12 123 scan 5 like 6}
779 do_test like-10.12 {
780 count {
781 SELECT a FROM t10b WHERE d GLOB '12*' ORDER BY +a;
782 }
783 } {12 123 scan 5 like 6}
784 do_test like-10.13 {
785 count {
786 SELECT a FROM t10b WHERE e GLOB '12*' ORDER BY +a;
787 }
788 } {12 123 scan 5 like 6}
789 do_test like-10.14 {
790 count {
791 SELECT a FROM t10b WHERE f GLOB '12*' ORDER BY +a;
792 }
793 } {12 123 scan 3 like 0}
794 do_test like-10.15 {
795 count {
796 SELECT a FROM t10b WHERE a GLOB '12*' ORDER BY +a;
797 }
798 } {12 123 scan 5 like 6}
799 }
800
801 # LIKE and GLOB where the default collating sequence is not appropriate
802 # but an index with the appropriate collating sequence exists.
803 #
804 do_test like-11.0 {
805 execsql {
806 CREATE TABLE t11(
807 a INTEGER PRIMARY KEY,
808 b TEXT COLLATE nocase,
809 c TEXT COLLATE binary
810 );
811 INSERT INTO t11 VALUES(1, 'a','a');
812 INSERT INTO t11 VALUES(2, 'ab','ab');
813 INSERT INTO t11 VALUES(3, 'abc','abc');
814 INSERT INTO t11 VALUES(4, 'abcd','abcd');
815 INSERT INTO t11 VALUES(5, 'A','A');
816 INSERT INTO t11 VALUES(6, 'AB','AB');
817 INSERT INTO t11 VALUES(7, 'ABC','ABC');
818 INSERT INTO t11 VALUES(8, 'ABCD','ABCD');
819 INSERT INTO t11 VALUES(9, 'x','x');
820 INSERT INTO t11 VALUES(10, 'yz','yz');
821 INSERT INTO t11 VALUES(11, 'X','X');
822 INSERT INTO t11 VALUES(12, 'YZ','YZ');
823 SELECT count(*) FROM t11;
824 }
825 } {12}
826 do_test like-11.1 {
827 db eval {PRAGMA case_sensitive_like=OFF;}
828 queryplan {
829 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
830 }
831 } {abc abcd ABC ABCD nosort t11 *}
832 do_test like-11.2 {
833 db eval {PRAGMA case_sensitive_like=ON;}
834 queryplan {
835 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
836 }
837 } {abc abcd nosort t11 *}
838 do_test like-11.3 {
839 db eval {
840 PRAGMA case_sensitive_like=OFF;
841 CREATE INDEX t11b ON t11(b);
842 }
843 queryplan {
844 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
845 }
846 } {abc abcd ABC ABCD sort {} t11b}
847 do_test like-11.4 {
848 db eval {PRAGMA case_sensitive_like=ON;}
849 queryplan {
850 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
851 }
852 } {abc abcd nosort t11 *}
853 do_test like-11.5 {
854 db eval {
855 PRAGMA case_sensitive_like=OFF;
856 DROP INDEX t11b;
857 CREATE INDEX t11bnc ON t11(b COLLATE nocase);
858 }
859 queryplan {
860 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
861 }
862 } {abc abcd ABC ABCD sort {} t11bnc}
863 do_test like-11.6 {
864 db eval {CREATE INDEX t11bb ON t11(b COLLATE binary);}
865 queryplan {
866 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
867 }
868 } {abc abcd ABC ABCD sort {} t11bnc}
869 do_test like-11.7 {
870 db eval {PRAGMA case_sensitive_like=ON;}
871 queryplan {
872 SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
873 }
874 } {abc abcd sort {} t11bb}
875 do_test like-11.8 {
876 db eval {PRAGMA case_sensitive_like=OFF;}
877 queryplan {
878 SELECT b FROM t11 WHERE b GLOB 'abc*' ORDER BY +a;
879 }
880 } {abc abcd sort {} t11bb}
881 do_test like-11.9 {
882 db eval {
883 CREATE INDEX t11cnc ON t11(c COLLATE nocase);
884 CREATE INDEX t11cb ON t11(c COLLATE binary);
885 }
886 queryplan {
887 SELECT c FROM t11 WHERE c LIKE 'abc%' ORDER BY +a;
888 }
889 } {abc abcd ABC ABCD sort {} t11cnc}
890 do_test like-11.10 {
891 queryplan {
892 SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a;
893 }
894 } {abc abcd sort {} t11cb}
895
896 # A COLLATE clause on the pattern does not change the result of a
897 # LIKE operator.
898 #
899 do_execsql_test like-12.1 {
900 CREATE TABLE t12nc(id INTEGER, x TEXT UNIQUE COLLATE nocase);
901 INSERT INTO t12nc VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF');
902 CREATE TABLE t12b(id INTEGER, x TEXT UNIQUE COLLATE binary);
903 INSERT INTO t12b VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF');
904 SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id;
905 } {1 3}
906 do_execsql_test like-12.2 {
907 SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id;
908 } {1 3}
909 do_execsql_test like-12.3 {
910 SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
911 } {1 3}
912 do_execsql_test like-12.4 {
913 SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
914 } {1 3}
915 do_execsql_test like-12.5 {
916 SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
917 } {1 3}
918 do_execsql_test like-12.6 {
919 SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
920 } {1 3}
921
922 # Adding a COLLATE clause to the pattern of a LIKE operator does nothing
923 # to change the suitability of using an index to satisfy that LIKE
924 # operator.
925 #
926 do_execsql_test like-12.11 {
927 EXPLAIN QUERY PLAN
928 SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id;
929 } {/SEARCH/}
930 do_execsql_test like-12.12 {
931 EXPLAIN QUERY PLAN
932 SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id;
933 } {/SCAN/}
934 do_execsql_test like-12.13 {
935 EXPLAIN QUERY PLAN
936 SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
937 } {/SEARCH/}
938 do_execsql_test like-12.14 {
939 EXPLAIN QUERY PLAN
940 SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
941 } {/SCAN/}
942 do_execsql_test like-12.15 {
943 EXPLAIN QUERY PLAN
944 SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
945 } {/SEARCH/}
946 do_execsql_test like-12.16 {
947 EXPLAIN QUERY PLAN
948 SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
949 } {/SCAN/}
950
951
952 finish_test
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