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Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 2 months ago
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1 # 2006 June 10
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 creating and dropping virtual tables.
13 #
14 # $Id: vtab1.test,v 1.57 2008/08/01 17:51:47 danielk1977 Exp $
15
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 set testprefix vtab1
19
20 ifcapable !vtab||!schema_pragmas {
21 finish_test
22 return
23 }
24
25 #----------------------------------------------------------------------
26 # Organization of tests in this file:
27 #
28 # vtab1-1.*: Error conditions and other issues surrounding creation/connection
29 # of a virtual module.
30 # vtab1-2.*: Test sqlite3_declare_vtab() and the xConnect/xDisconnect methods.
31 # vtab1-3.*: Table scans and WHERE clauses.
32 # vtab1-4.*: Table scans and ORDER BY clauses.
33 # vtab1-5.*: Test queries that include joins. This brings the
34 # sqlite3_index_info.estimatedCost variable into play.
35 # vtab1-6.*: Test UPDATE/INSERT/DELETE on vtables.
36 # vtab1-7.*: Test sqlite3_last_insert_rowid().
37 #
38 # This file uses the "echo" module (see src/test8.c). Refer to comments
39 # in that file for the special behaviour of the Tcl $echo_module variable.
40 #
41 # TODO:
42 # * How to test the sqlite3_index_constraint_usage.omit field?
43 # * vtab1-5.*
44 #
45 # vtab1-14.*: Test 'IN' constraints - i.e. "SELECT * FROM t1 WHERE id IN(...)"
46 #
47 # vtab1-18.*: Check that the LIKE optimization is not applied when the lhs
48 # is a virtual table column.
49 #
50
51
52 #----------------------------------------------------------------------
53 # Test cases vtab1.1.*
54 #
55
56 # We cannot create a virtual table if the module has not been registered.
57 #
58 do_test vtab1-1.1.1 {
59 explain {
60 CREATE VIRTUAL TABLE t1 USING echo;
61 }
62 catchsql {
63 CREATE VIRTUAL TABLE t1 USING echo;
64 }
65 } {1 {no such module: echo}}
66 do_test vtab1-1.1.2 {
67 catchsql {
68 CREATE VIRTUAL TABLE IF NOT EXISTS t1 USING echo;
69 }
70 } {1 {no such module: echo}}
71 do_test vtab1-1.2 {
72 execsql {
73 SELECT name FROM sqlite_master ORDER BY 1
74 }
75 } {}
76
77 # Register the module
78 register_echo_module [sqlite3_connection_pointer db]
79
80 # Once a module has been registered, virtual tables using that module
81 # may be created. However if a module xCreate() fails to call
82 # sqlite3_declare_vtab() an error will be raised and the table not created.
83 #
84 # The "echo" module does not invoke sqlite3_declare_vtab() if it is
85 # passed zero arguments.
86 #
87 do_test vtab1-1.3.1 {
88 catchsql {
89 CREATE VIRTUAL TABLE t1 USING echo;
90 }
91 } {1 {vtable constructor did not declare schema: t1}}
92 do_test vtab1-1.3.2 {
93 catchsql {
94 CREATE VIRTUAL TABLE IF NOT EXISTS t1 USING echo;
95 }
96 } {1 {vtable constructor did not declare schema: t1}}
97 do_test vtab1-1.4 {
98 execsql {
99 SELECT name FROM sqlite_master ORDER BY 1
100 }
101 } {}
102
103 # The "echo" module xCreate method returns an error and does not create
104 # the virtual table if it is passed an argument that does not correspond
105 # to an existing real table in the same database.
106 #
107 do_test vtab1-1.5.1 {
108 catchsql {
109 CREATE VIRTUAL TABLE t1 USING echo(no_such_table);
110 }
111 } {1 {vtable constructor failed: t1}}
112 do_test vtab1-1.5.2 {
113 catchsql {
114 CREATE VIRTUAL TABLE IF NOT EXISTS t1 USING echo(no_such_table);
115 }
116 } {1 {vtable constructor failed: t1}}
117 do_test vtab1-1.6 {
118 execsql {
119 SELECT name FROM sqlite_master ORDER BY 1
120 }
121 } {}
122
123 # Ticket #2156. Using the sqlite3_prepare_v2() API, make sure that
124 # a CREATE VIRTUAL TABLE statement can be used multiple times.
125 #
126 do_test vtab1-1.2152.1 {
127 set DB [sqlite3_connection_pointer db]
128 set sql {CREATE VIRTUAL TABLE t2152a USING echo(t2152b)}
129 set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
130 sqlite3_step $STMT
131 } SQLITE_ERROR
132 do_test vtab-1.2152.2 {
133 sqlite3_reset $STMT
134 sqlite3_step $STMT
135 } SQLITE_ERROR
136 do_test vtab-1.2152.3 {
137 sqlite3_reset $STMT
138 db eval {CREATE TABLE t2152b(x,y)}
139 sqlite3_step $STMT
140 } SQLITE_DONE
141 do_test vtab-1.2152.4 {
142 sqlite3_finalize $STMT
143 db eval {DROP TABLE t2152a; DROP TABLE t2152b}
144 } {}
145
146 # Test to make sure nothing goes wrong and no memory is leaked if we
147 # select an illegal table-name (i.e a reserved name or the name of a
148 # table that already exists).
149 #
150 do_test vtab1-1.7.1 {
151 catchsql {
152 CREATE VIRTUAL TABLE sqlite_master USING echo;
153 }
154 } {1 {object name reserved for internal use: sqlite_master}}
155 do_test vtab1-1.7.2 {
156 catchsql {
157 CREATE VIRTUAL TABLE IF NOT EXISTS sqlite_master USING echo;
158 }
159 } {1 {object name reserved for internal use: sqlite_master}}
160 do_test vtab1-1.8.1 {
161 catchsql {
162 CREATE TABLE treal(a, b, c);
163 CREATE VIRTUAL TABLE treal USING echo(treal);
164 }
165 } {1 {table treal already exists}}
166 do_test vtab1-1.8.2 {
167 catchsql {
168 CREATE VIRTUAL TABLE IF NOT EXISTS treal USING echo(treal);
169 }
170 } {0 {}}
171 do_test vtab1-1.9 {
172 execsql {
173 DROP TABLE treal;
174 SELECT name FROM sqlite_master ORDER BY 1
175 }
176 } {}
177
178 do_test vtab1-1.10 {
179 execsql {
180 CREATE TABLE treal(a, b, c);
181 CREATE VIRTUAL TABLE techo USING echo(treal);
182 }
183 db close
184 sqlite3 db test.db
185 catchsql {
186 SELECT * FROM techo;
187 }
188 } {1 {no such module: echo}}
189 do_test vtab1-1.11 {
190 catchsql {
191 INSERT INTO techo VALUES(1, 2, 3);
192 }
193 } {1 {no such module: echo}}
194 do_test vtab1-1.12 {
195 catchsql {
196 UPDATE techo SET a = 10;
197 }
198 } {1 {no such module: echo}}
199 do_test vtab1-1.13 {
200 catchsql {
201 DELETE FROM techo;
202 }
203 } {1 {no such module: echo}}
204 do_test vtab1-1.14 {
205 catchsql {
206 PRAGMA table_info(techo)
207 }
208 } {1 {no such module: echo}}
209 do_test vtab1-1.15 {
210 catchsql {
211 DROP TABLE techo;
212 }
213 } {1 {no such module: echo}}
214
215 register_echo_module [sqlite3_connection_pointer db]
216 register_echo_module [sqlite3_connection_pointer db]
217
218 # Test an error message returned from a v-table constructor.
219 #
220 do_test vtab1-1.16 {
221 execsql {
222 DROP TABLE techo;
223 CREATE TABLE logmsg(log);
224 }
225 catchsql {
226 CREATE VIRTUAL TABLE techo USING echo(treal, logmsg);
227 }
228 } {1 {table 'logmsg' already exists}}
229
230 do_test vtab1-1.17 {
231 execsql {
232 DROP TABLE treal;
233 DROP TABLE logmsg;
234 SELECT sql FROM sqlite_master;
235 }
236 } {}
237
238 #----------------------------------------------------------------------
239 # Test cases vtab1.2.*
240 #
241 # At this point, the database is completely empty. The echo module
242 # has already been registered.
243
244 # If a single argument is passed to the echo module during table
245 # creation, it is assumed to be the name of a table in the same
246 # database. The echo module attempts to set the schema of the
247 # new virtual table to be the same as the existing database table.
248 #
249 do_test vtab1-2.1 {
250 execsql {
251 CREATE TABLE template(a, b, c);
252 }
253 execsql { PRAGMA table_info(template); }
254 } [list \
255 0 a {} 0 {} 0 \
256 1 b {} 0 {} 0 \
257 2 c {} 0 {} 0 \
258 ]
259 do_test vtab1-2.2 {
260 execsql {
261 CREATE VIRTUAL TABLE t1 USING echo(template);
262 }
263 execsql { PRAGMA table_info(t1); }
264 } [list \
265 0 a {} 0 {} 0 \
266 1 b {} 0 {} 0 \
267 2 c {} 0 {} 0 \
268 ]
269
270 # Test that the database can be unloaded. This should invoke the xDisconnect()
271 # callback for the successfully create virtual table (t1).
272 #
273 do_test vtab1-2.3 {
274 set echo_module [list]
275 db close
276 set echo_module
277 } [list xDisconnect]
278
279 # Re-open the database. This should not cause any virtual methods to
280 # be called. The invocation of xConnect() is delayed until the virtual
281 # table schema is first required by the compiler.
282 #
283 do_test vtab1-2.4 {
284 set echo_module [list]
285 sqlite3 db test.db
286 db cache size 0
287 set echo_module
288 } {}
289
290 # Try to query the virtual table schema. This should fail, as the
291 # echo module has not been registered with this database connection.
292 #
293 do_test vtab1.2.6 {
294 catchsql { PRAGMA table_info(t1); }
295 } {1 {no such module: echo}}
296
297 # Register the module
298 register_echo_module [sqlite3_connection_pointer db]
299
300 # Try to query the virtual table schema again. This time it should
301 # invoke the xConnect method and succeed.
302 #
303 do_test vtab1.2.7 {
304 execsql { PRAGMA table_info(t1); }
305 } [list \
306 0 a {} 0 {} 0 \
307 1 b {} 0 {} 0 \
308 2 c {} 0 {} 0 \
309 ]
310 do_test vtab1.2.8 {
311 set echo_module
312 } {xConnect echo main t1 template}
313
314 # Drop table t1. This should cause the xDestroy (but not xDisconnect) method
315 # to be invoked.
316 do_test vtab1-2.5 {
317 set echo_module ""
318 execsql {
319 DROP TABLE t1;
320 }
321 set echo_module
322 } {xDestroy}
323
324 do_test vtab1-2.6 {
325 execsql {
326 PRAGMA table_info(t1);
327 }
328 } {}
329 do_test vtab1-2.7 {
330 execsql {
331 SELECT sql FROM sqlite_master;
332 }
333 } [list {CREATE TABLE template(a, b, c)}]
334 # Clean up other test artifacts:
335 do_test vtab1-2.8 {
336 execsql {
337 DROP TABLE template;
338 SELECT sql FROM sqlite_master;
339 }
340 } [list]
341
342 #----------------------------------------------------------------------
343 # Test case vtab1-3 test table scans and the echo module's
344 # xBestIndex/xFilter handling of WHERE conditions.
345
346 do_test vtab1-3.1 {
347 set echo_module ""
348 execsql {
349 CREATE TABLE treal(a INTEGER, b INTEGER, c);
350 CREATE INDEX treal_idx ON treal(b);
351 CREATE VIRTUAL TABLE t1 USING echo(treal);
352 }
353 set echo_module
354 } [list xCreate echo main t1 treal \
355 xSync echo(treal) \
356 xCommit echo(treal) \
357 ]
358
359 # Test that a SELECT on t1 doesn't crash. No rows are returned
360 # because the underlying real table is currently empty.
361 #
362 do_test vtab1-3.2 {
363 execsql {
364 SELECT a, b, c FROM t1;
365 }
366 } {}
367
368 # Put some data into the table treal. Then try a few simple SELECT
369 # statements on t1.
370 #
371 do_test vtab1-3.3 {
372 execsql {
373 INSERT INTO treal VALUES(1, 2, 3);
374 INSERT INTO treal VALUES(4, 5, 6);
375 SELECT * FROM t1;
376 }
377 } {1 2 3 4 5 6}
378 do_test vtab1-3.4 {
379 execsql {
380 SELECT a FROM t1;
381 }
382 } {1 4}
383 do_test vtab1-3.5 {
384 execsql {
385 SELECT rowid FROM t1;
386 }
387 } {1 2}
388 do_test vtab1-3.6 {
389 set echo_module ""
390 execsql {
391 SELECT * FROM t1;
392 }
393 } {1 2 3 4 5 6}
394 do_test vtab1-3.7 {
395 execsql {
396 SELECT rowid, * FROM t1;
397 }
398 } {1 1 2 3 2 4 5 6}
399 do_test vtab1-3.8 {
400 execsql {
401 SELECT a AS d, b AS e, c AS f FROM t1;
402 }
403 } {1 2 3 4 5 6}
404
405 # Execute some SELECT statements with WHERE clauses on the t1 table.
406 # Then check the echo_module variable (written to by the module methods
407 # in test8.c) to make sure the xBestIndex() and xFilter() methods were
408 # called correctly.
409 #
410 do_test vtab1-3.8 {
411 set echo_module ""
412 execsql {
413 SELECT * FROM t1;
414 }
415 set echo_module
416 } [list xBestIndex {SELECT rowid, * FROM 'treal'} \
417 xFilter {SELECT rowid, * FROM 'treal'} ]
418 do_test vtab1-3.9 {
419 set echo_module ""
420 execsql {
421 SELECT * FROM t1 WHERE b = 5;
422 }
423 } {4 5 6}
424 do_test vtab1-3.10 {
425 set echo_module
426 } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b = ?} \
427 xFilter {SELECT rowid, * FROM 'treal' WHERE b = ?} 5 ]
428 do_test vtab1-3.10 {
429 set echo_module ""
430 execsql {
431 SELECT * FROM t1 WHERE b >= 5 AND b <= 10;
432 }
433 } {4 5 6}
434 do_test vtab1-3.11 {
435 set echo_module
436 } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} \
437 xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 5 10 ]
438 do_test vtab1-3.12 {
439 set echo_module ""
440 execsql {
441 SELECT * FROM t1 WHERE b BETWEEN 2 AND 10;
442 }
443 } {1 2 3 4 5 6}
444 do_test vtab1-3.13 {
445 set echo_module
446 } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} \
447 xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 2 10 ]
448
449 # Add a function for the MATCH operator. Everything always matches!
450 #proc test_match {lhs rhs} {
451 # lappend ::echo_module MATCH $lhs $rhs
452 # return 1
453 #}
454 #db function match test_match
455
456 set echo_module ""
457 do_test vtab1-3.12 {
458 set echo_module ""
459 catchsql {
460 SELECT * FROM t1 WHERE a MATCH 'string';
461 }
462 } {1 {unable to use function MATCH in the requested context}}
463 do_test vtab1-3.13 {
464 set echo_module
465 } [list xBestIndex {SELECT rowid, * FROM 'treal'} \
466 xFilter {SELECT rowid, * FROM 'treal'}]
467 ifcapable subquery {
468 # The echo module uses a subquery internally to implement the MATCH operator.
469 do_test vtab1-3.14 {
470 set echo_module ""
471 execsql {
472 SELECT * FROM t1 WHERE b MATCH 'string';
473 }
474 } {}
475 do_test vtab1-3.15 {
476 set echo_module
477 } [list xBestIndex \
478 {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')} \
479 xFilter \
480 {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')} \
481 string ]
482 }; #ifcapable subquery
483
484 #----------------------------------------------------------------------
485 # Test case vtab1-3 test table scans and the echo module's
486 # xBestIndex/xFilter handling of ORDER BY clauses.
487
488 # This procedure executes the SQL. Then it checks to see if the OP_Sort
489 # opcode was executed. If an OP_Sort did occur, then "sort" is appended
490 # to the result. If no OP_Sort happened, then "nosort" is appended.
491 #
492 # This procedure is used to check to make sure sorting is or is not
493 # occurring as expected.
494 #
495 proc cksort {sql} {
496 set ::sqlite_sort_count 0
497 set data [execsql $sql]
498 if {$::sqlite_sort_count} {set x sort} {set x nosort}
499 lappend data $x
500 return $data
501 }
502
503 do_test vtab1-4.1 {
504 set echo_module ""
505 cksort {
506 SELECT b FROM t1 ORDER BY b;
507 }
508 } {2 5 nosort}
509 do_test vtab1-4.2 {
510 set echo_module
511 } [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b ASC} \
512 xFilter {SELECT rowid, * FROM 'treal' ORDER BY b ASC} ]
513 do_test vtab1-4.3 {
514 set echo_module ""
515 cksort {
516 SELECT b FROM t1 ORDER BY b DESC;
517 }
518 } {5 2 nosort}
519 do_test vtab1-4.4 {
520 set echo_module
521 } [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b DESC} \
522 xFilter {SELECT rowid, * FROM 'treal' ORDER BY b DESC} ]
523 do_test vtab1-4.3 {
524 set echo_module ""
525 cksort {
526 SELECT b FROM t1 ORDER BY b||'';
527 }
528 } {2 5 sort}
529 do_test vtab1-4.4 {
530 set echo_module
531 } [list xBestIndex {SELECT rowid, * FROM 'treal'} \
532 xFilter {SELECT rowid, * FROM 'treal'} ]
533
534 execsql {
535 DROP TABLE t1;
536 DROP TABLE treal;
537 }
538
539 #----------------------------------------------------------------------
540 # Test cases vtab1-5 test SELECT queries that include joins on virtual
541 # tables.
542
543 proc filter {log} {
544 set out [list]
545 for {set ii 0} {$ii < [llength $log]} {incr ii} {
546 if {[lindex $log $ii] eq "xFilter"} {
547 lappend out xFilter
548 lappend out [lindex $log [expr $ii+1]]
549 }
550 }
551 return $out
552 }
553
554 do_test vtab1-5-1 {
555 execsql {
556 CREATE TABLE t1(a, b, c);
557 CREATE TABLE t2(d, e, f);
558 INSERT INTO t1 VALUES(1, 'red', 'green');
559 INSERT INTO t1 VALUES(2, 'blue', 'black');
560 INSERT INTO t2 VALUES(1, 'spades', 'clubs');
561 INSERT INTO t2 VALUES(2, 'hearts', 'diamonds');
562 CREATE VIRTUAL TABLE et1 USING echo(t1);
563 CREATE VIRTUAL TABLE et2 USING echo(t2);
564 }
565 } {}
566
567 do_test vtab1-5-2 {
568 set echo_module ""
569 execsql {
570 SELECT * FROM et1, et2;
571 }
572 } [list \
573 1 red green 1 spades clubs \
574 1 red green 2 hearts diamonds \
575 2 blue black 1 spades clubs \
576 2 blue black 2 hearts diamonds \
577 ]
578 do_test vtab1-5-3 {
579 filter $echo_module
580 } [list \
581 xFilter {SELECT rowid, * FROM 't1'} \
582 xFilter {SELECT rowid, * FROM 't2'} \
583 xFilter {SELECT rowid, * FROM 't2'} \
584 ]
585 do_test vtab1-5-4 {
586 set echo_module ""
587 execsql {
588 SELECT * FROM et1, et2 WHERE et2.d = 2;
589 }
590 } [list \
591 1 red green 2 hearts diamonds \
592 2 blue black 2 hearts diamonds \
593 ]
594 do_test vtab1-5-5 {
595 filter $echo_module
596 } [list \
597 xFilter {SELECT rowid, * FROM 't1'} \
598 xFilter {SELECT rowid, * FROM 't2'} \
599 xFilter {SELECT rowid, * FROM 't2'} \
600 ]
601 do_test vtab1-5-6 {
602 execsql {
603 CREATE INDEX i1 ON t2(d);
604 }
605
606 db close
607 sqlite3 db test.db
608 register_echo_module [sqlite3_connection_pointer db]
609
610 set ::echo_module ""
611 execsql {
612 SELECT * FROM et1, et2 WHERE et2.d = 2;
613 }
614 } [list \
615 1 red green 2 hearts diamonds \
616 2 blue black 2 hearts diamonds \
617 ]
618 do_test vtab1-5-7 {
619 filter $::echo_module
620 } [list \
621 xFilter {SELECT rowid, * FROM 't1'} \
622 xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
623 xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
624 ]
625
626 execsql {
627 DROP TABLE t1;
628 DROP TABLE t2;
629 DROP TABLE et1;
630 DROP TABLE et2;
631 }
632
633 #----------------------------------------------------------------------
634 # Test cases vtab1-6 test INSERT, UPDATE and DELETE operations
635 # on virtual tables.
636 do_test vtab1-6-1 {
637 execsql { SELECT sql FROM sqlite_master }
638 } {}
639 do_test vtab1-6-2 {
640 execsql {
641 CREATE TABLE treal(a PRIMARY KEY, b, c);
642 CREATE VIRTUAL TABLE techo USING echo(treal);
643 SELECT name FROM sqlite_master WHERE type = 'table';
644 }
645 } {treal techo}
646 do_test vtab1-6-3.1.1 {
647 execsql {
648 PRAGMA count_changes=ON;
649 INSERT INTO techo VALUES(1, 2, 3);
650 }
651 } {1}
652 do_test vtab1-6-3.1.2 {
653 db changes
654 } {1}
655 do_test vtab1-6-3.2 {
656 execsql {
657 SELECT * FROM techo;
658 }
659 } {1 2 3}
660 do_test vtab1-6-4.1 {
661 execsql {
662 UPDATE techo SET a = 5;
663 }
664 db changes
665 } {1}
666 do_test vtab1-6-4.2 {
667 execsql {
668 SELECT * FROM techo;
669 }
670 } {5 2 3}
671 do_test vtab1-6-4.3 {
672 execsql {
673 UPDATE techo SET a=6 WHERE a<0;
674 }
675 db changes
676 } {0}
677 do_test vtab1-6-4.4 {
678 execsql {
679 SELECT * FROM techo;
680 }
681 } {5 2 3}
682
683 do_test vtab1-6-5.1 {
684 execsql {
685 UPDATE techo set a = a||b||c;
686 }
687 db changes
688 } {1}
689 do_test vtab1-6-5.2 {
690 execsql {
691 SELECT * FROM techo;
692 }
693 } {523 2 3}
694
695 do_test vtab1-6-6.1 {
696 execsql {
697 UPDATE techo set rowid = 10;
698 }
699 db changes
700 } {1}
701 do_test vtab1-6-6.2 {
702 execsql {
703 SELECT rowid FROM techo;
704 }
705 } {10}
706
707 do_test vtab1-6-7.1.1 {
708 execsql {
709 INSERT INTO techo VALUES(11,12,13);
710 }
711 } {1}
712 do_test vtab1-6-7.1.2 {
713 db changes
714 } {1}
715 do_test vtab1-6-7.2 {
716 execsql {
717 SELECT * FROM techo ORDER BY a;
718 }
719 } {11 12 13 523 2 3}
720 do_test vtab1-6-7.3 {
721 execsql {
722 UPDATE techo SET b=b+1000
723 }
724 db changes
725 } {2}
726 do_test vtab1-6-7.4 {
727 execsql {
728 SELECT * FROM techo ORDER BY a;
729 }
730 } {11 1012 13 523 1002 3}
731
732
733 do_test vtab1-6-8.1 {
734 execsql {
735 DELETE FROM techo WHERE a=5;
736 }
737 db changes
738 } {0}
739 do_test vtab1-6-8.2 {
740 execsql {
741 SELECT * FROM techo ORDER BY a;
742 }
743 } {11 1012 13 523 1002 3}
744 do_test vtab1-6-8.3 {
745 execsql {
746 DELETE FROM techo;
747 }
748 db changes
749 } {2}
750 do_test vtab1-6-8.4 {
751 execsql {
752 SELECT * FROM techo ORDER BY a;
753 }
754 } {}
755 execsql {PRAGMA count_changes=OFF}
756
757 forcedelete test2.db
758 forcedelete test2.db-journal
759 sqlite3 db2 test2.db
760 execsql {
761 CREATE TABLE techo(a PRIMARY KEY, b, c);
762 } db2
763 proc check_echo_table {tn} {
764 set ::data1 [execsql {SELECT rowid, * FROM techo}]
765 set ::data2 [execsql {SELECT rowid, * FROM techo} db2]
766 do_test $tn {
767 string equal $::data1 $::data2
768 } 1
769 }
770 set tn 0
771 foreach stmt [list \
772 {INSERT INTO techo VALUES('abc', 'def', 'ghi')} \
773 {INSERT INTO techo SELECT a||'.'||rowid, b, c FROM techo} \
774 {INSERT INTO techo SELECT a||'x'||rowid, b, c FROM techo} \
775 {INSERT INTO techo SELECT a||'y'||rowid, b, c FROM techo} \
776 {DELETE FROM techo WHERE (oid % 3) = 0} \
777 {UPDATE techo set rowid = 100 WHERE rowid = 1} \
778 {INSERT INTO techo(a, b) VALUES('hello', 'world')} \
779 {DELETE FROM techo} \
780 ] {
781 execsql $stmt
782 execsql $stmt db2
783 check_echo_table vtab1-6.8.[incr tn]
784 }
785
786 db2 close
787
788
789
790 #----------------------------------------------------------------------
791 # Test cases vtab1-7 tests that the value returned by
792 # sqlite3_last_insert_rowid() is set correctly when rows are inserted
793 # into virtual tables.
794 do_test vtab1.7-1 {
795 execsql {
796 CREATE TABLE real_abc(a PRIMARY KEY, b, c);
797 CREATE VIRTUAL TABLE echo_abc USING echo(real_abc);
798 }
799 } {}
800 do_test vtab1.7-2 {
801 execsql {
802 INSERT INTO echo_abc VALUES(1, 2, 3);
803 SELECT last_insert_rowid();
804 }
805 } {1}
806 do_test vtab1.7-3 {
807 execsql {
808 INSERT INTO echo_abc(rowid) VALUES(31427);
809 SELECT last_insert_rowid();
810 }
811 } {31427}
812 do_test vtab1.7-4 {
813 execsql {
814 INSERT INTO echo_abc SELECT a||'.v2', b, c FROM echo_abc;
815 SELECT last_insert_rowid();
816 }
817 } {31429}
818 do_test vtab1.7-5 {
819 execsql {
820 SELECT rowid, a, b, c FROM echo_abc
821 }
822 } [list 1 1 2 3 \
823 31427 {} {} {} \
824 31428 1.v2 2 3 \
825 31429 {} {} {} \
826 ]
827
828 # Now test that DELETE and UPDATE operations do not modify the value.
829 do_test vtab1.7-6 {
830 execsql {
831 UPDATE echo_abc SET c = 5 WHERE b = 2;
832 SELECT last_insert_rowid();
833 }
834 } {31429}
835 do_test vtab1.7-7 {
836 execsql {
837 UPDATE echo_abc SET rowid = 5 WHERE rowid = 1;
838 SELECT last_insert_rowid();
839 }
840 } {31429}
841 do_test vtab1.7-8 {
842 execsql {
843 DELETE FROM echo_abc WHERE b = 2;
844 SELECT last_insert_rowid();
845 }
846 } {31429}
847 do_test vtab1.7-9 {
848 execsql {
849 SELECT rowid, a, b, c FROM echo_abc
850 }
851 } [list 31427 {} {} {} \
852 31429 {} {} {} \
853 ]
854 do_test vtab1.7-10 {
855 execsql {
856 DELETE FROM echo_abc WHERE b = 2;
857 SELECT last_insert_rowid();
858 }
859 } {31429}
860 do_test vtab1.7-11 {
861 execsql {
862 SELECT rowid, a, b, c FROM real_abc
863 }
864 } [list 31427 {} {} {} \
865 31429 {} {} {} \
866 ]
867 do_test vtab1.7-12 {
868 execsql {
869 DELETE FROM echo_abc;
870 SELECT last_insert_rowid();
871 }
872 } {31429}
873 do_test vtab1.7-13 {
874 execsql {
875 SELECT rowid, a, b, c FROM real_abc
876 }
877 } {}
878
879 ifcapable attach {
880 do_test vtab1.8-1 {
881 set echo_module ""
882 execsql {
883 ATTACH 'test2.db' AS aux;
884 CREATE VIRTUAL TABLE aux.e2 USING echo(real_abc);
885 }
886 set echo_module
887 } [list xCreate echo aux e2 real_abc \
888 xSync echo(real_abc) \
889 xCommit echo(real_abc) \
890 ]
891 }
892 do_test vtab1.8-2 {
893 catchsql {
894 DROP TABLE aux.e2;
895 }
896 execsql {
897 DROP TABLE treal;
898 DROP TABLE techo;
899 DROP TABLE echo_abc;
900 DROP TABLE real_abc;
901 }
902 } {}
903
904 do_test vtab1.9-1 {
905 set echo_module ""
906 execsql {
907 CREATE TABLE r(a, b, c);
908 CREATE VIRTUAL TABLE e USING echo(r, e_log);
909 SELECT name FROM sqlite_master;
910 }
911 } {r e e_log}
912 do_test vtab1.9-2 {
913 execsql {
914 DROP TABLE e;
915 SELECT name FROM sqlite_master;
916 }
917 } {r}
918
919 do_test vtab1.9-3 {
920 set echo_module ""
921 execsql {
922 CREATE VIRTUAL TABLE e USING echo(r, e_log, virtual 1 2 3 varchar(32));
923 }
924 set echo_module
925 } [list \
926 xCreate echo main e r e_log {virtual 1 2 3 varchar(32)} \
927 xSync echo(r) \
928 xCommit echo(r) \
929 ]
930
931 do_test vtab1.10-1 {
932 execsql {
933 CREATE TABLE del(d);
934 CREATE VIRTUAL TABLE e2 USING echo(del);
935 }
936 db close
937 sqlite3 db test.db
938 register_echo_module [sqlite3_connection_pointer db]
939 execsql {
940 DROP TABLE del;
941 }
942 catchsql {
943 SELECT * FROM e2;
944 }
945 } {1 {vtable constructor failed: e2}}
946 do_test vtab1.10-2 {
947 set rc [catch {
948 set ptr [sqlite3_connection_pointer db]
949 sqlite3_declare_vtab $ptr {CREATE TABLE abc(a, b, c)}
950 } msg]
951 list $rc $msg
952 } {1 {library routine called out of sequence}}
953 do_test vtab1.10-3 {
954 set ::echo_module_begin_fail r
955 catchsql {
956 INSERT INTO e VALUES(1, 2, 3);
957 }
958 } {1 {SQL logic error or missing database}}
959 do_test vtab1.10-4 {
960 catch {execsql {
961 EXPLAIN SELECT * FROM e WHERE rowid = 2;
962 EXPLAIN QUERY PLAN SELECT * FROM e WHERE rowid = 2 ORDER BY rowid;
963 }}
964 } {0}
965
966 do_test vtab1.10-5 {
967 set echo_module ""
968 execsql {
969 SELECT * FROM e WHERE rowid||'' MATCH 'pattern';
970 }
971 set echo_module
972 } [list \
973 xBestIndex {SELECT rowid, * FROM 'r'} \
974 xFilter {SELECT rowid, * FROM 'r'} \
975 ]
976 proc match_func {args} {return ""}
977 do_test vtab1.10-6 {
978 set echo_module ""
979 db function match match_func
980 execsql {
981 SELECT * FROM e WHERE match('pattern', rowid, 'pattern2');
982 }
983 set echo_module
984 } [list \
985 xBestIndex {SELECT rowid, * FROM 'r'} \
986 xFilter {SELECT rowid, * FROM 'r'} \
987 ]
988
989
990 # Testing the xFindFunction interface
991 #
992 catch {rename ::echo_glob_overload {}}
993 do_test vtab1.11-1 {
994 execsql {
995 INSERT INTO r(a,b,c) VALUES(1,'?',99);
996 INSERT INTO r(a,b,c) VALUES(2,3,99);
997 SELECT a GLOB b FROM e
998 }
999 } {1 0}
1000 proc ::echo_glob_overload {a b} {
1001 return [list $b $a]
1002 }
1003 do_test vtab1.11-2 {
1004 execsql {
1005 SELECT a like 'b' FROM e
1006 }
1007 } {0 0}
1008 do_test vtab1.11-3 {
1009 execsql {
1010 SELECT a glob '2' FROM e
1011 }
1012 } {{1 2} {2 2}}
1013 do_test vtab1.11-4 {
1014 execsql {
1015 SELECT glob('2',a) FROM e
1016 }
1017 } {0 1}
1018 do_test vtab1.11-5 {
1019 execsql {
1020 SELECT glob(a,'2') FROM e
1021 }
1022 } {{2 1} {2 2}}
1023
1024 #----------------------------------------------------------------------
1025 # Test the outcome if a constraint is encountered half-way through
1026 # a multi-row INSERT that is inside a transaction
1027 #
1028 do_test vtab1.12-1 {
1029 execsql {
1030 CREATE TABLE b(a, b, c);
1031 CREATE TABLE c(a UNIQUE, b, c);
1032 INSERT INTO b VALUES(1, 'A', 'B');
1033 INSERT INTO b VALUES(2, 'C', 'D');
1034 INSERT INTO b VALUES(3, 'E', 'F');
1035 INSERT INTO c VALUES(3, 'G', 'H');
1036 CREATE VIRTUAL TABLE echo_c USING echo(c);
1037 }
1038 } {}
1039
1040 # First test outside of a transaction.
1041 do_test vtab1.12-2 {
1042 catchsql { INSERT INTO echo_c SELECT * FROM b; }
1043 } {1 {echo-vtab-error: UNIQUE constraint failed: c.a}}
1044 do_test vtab1.12-2.1 {
1045 sqlite3_errmsg db
1046 } {echo-vtab-error: UNIQUE constraint failed: c.a}
1047 do_test vtab1.12-3 {
1048 execsql { SELECT * FROM c }
1049 } {3 G H}
1050
1051 # Now the real test - wrapped in a transaction.
1052 do_test vtab1.12-4 {
1053 execsql {BEGIN}
1054 catchsql { INSERT INTO echo_c SELECT * FROM b; }
1055 } {1 {echo-vtab-error: UNIQUE constraint failed: c.a}}
1056 do_test vtab1.12-5 {
1057 execsql { SELECT * FROM c }
1058 } {3 G H}
1059 do_test vtab1.12-6 {
1060 execsql { COMMIT }
1061 execsql { SELECT * FROM c }
1062 } {3 G H}
1063
1064 # At one point (ticket #2759), a WHERE clause of the form "<column> IS NULL"
1065 # on a virtual table was causing an assert() to fail in the compiler.
1066 #
1067 # "IS NULL" clauses should not be passed through to the virtual table
1068 # implementation. They are handled by SQLite after the vtab returns its
1069 # data.
1070 #
1071 do_test vtab1.13-1 {
1072 execsql {
1073 SELECT * FROM echo_c WHERE a IS NULL
1074 }
1075 } {}
1076 do_test vtab1.13-2 {
1077 execsql {
1078 INSERT INTO c VALUES(NULL, 15, 16);
1079 SELECT * FROM echo_c WHERE a IS NULL
1080 }
1081 } {{} 15 16}
1082 do_test vtab1.13-3 {
1083 execsql {
1084 INSERT INTO c VALUES(15, NULL, 16);
1085 SELECT * FROM echo_c WHERE b IS NULL
1086 }
1087 } {15 {} 16}
1088 do_test vtab1.13-3 {
1089 execsql {
1090 SELECT * FROM echo_c WHERE b IS NULL AND a = 15;
1091 }
1092 } {15 {} 16}
1093
1094
1095 do_test vtab1-14.001 {
1096 execsql {SELECT rowid, * FROM echo_c WHERE +rowid IN (1,2,3)}
1097 } {1 3 G H 2 {} 15 16 3 15 {} 16}
1098 do_test vtab1-14.002 {
1099 execsql {SELECT rowid, * FROM echo_c WHERE rowid IN (1,2,3)}
1100 } {1 3 G H 2 {} 15 16 3 15 {} 16}
1101 do_test vtab1-14.003 {
1102 execsql {SELECT rowid, * FROM echo_c WHERE +rowid IN (0,1,5,2,'a',3,NULL)}
1103 } {1 3 G H 2 {} 15 16 3 15 {} 16}
1104 do_test vtab1-14.004 {
1105 execsql {SELECT rowid, * FROM echo_c WHERE rowid IN (0,1,5,'a',2,3,NULL)}
1106 } {1 3 G H 2 {} 15 16 3 15 {} 16}
1107 do_test vtab1-14.005 {
1108 execsql {SELECT rowid, * FROM echo_c WHERE rowid NOT IN (0,1,5,'a',2,3)}
1109 } {}
1110 do_test vtab1-14.006 {
1111 execsql {SELECT rowid, * FROM echo_c WHERE rowid NOT IN (0,5,'a',2,3)}
1112 } {1 3 G H}
1113 do_test vtab1-14.007 {
1114 execsql {SELECT rowid, * FROM echo_c WHERE +rowid NOT IN (0,5,'a',2,3,NULL)}
1115 } {}
1116 do_test vtab1-14.008 {
1117 execsql {SELECT rowid, * FROM echo_c WHERE rowid NOT IN (0,5,'a',2,3,NULL)}
1118 } {}
1119 do_test vtab1-14.011 {
1120 execsql {SELECT * FROM echo_c WHERE +a IN (1,3,8,'x',NULL,15,24)}
1121 } {3 G H 15 {} 16}
1122 do_test vtab1-14.012 {
1123 execsql {SELECT * FROM echo_c WHERE a IN (1,3,8,'x',NULL,15,24)}
1124 } {3 G H 15 {} 16}
1125 do_test vtab1-14.013 {
1126 execsql {SELECT * FROM echo_c WHERE a NOT IN (1,8,'x',15,24)}
1127 } {3 G H}
1128 do_test vtab1-14.014 {
1129 execsql {SELECT * FROM echo_c WHERE a NOT IN (1,8,'x',NULL,15,24)}
1130 } {}
1131 do_test vtab1-14.015 {
1132 execsql {SELECT * FROM echo_c WHERE +a NOT IN (1,8,'x',NULL,15,24)}
1133 } {}
1134
1135
1136
1137 #do_test vtab1-14.1 {
1138 # execsql { DELETE FROM c }
1139 # set echo_module ""
1140 # execsql { SELECT * FROM echo_c WHERE rowid IN (1, 2, 3) }
1141 # set echo_module
1142 #} {/.*xBestIndex {SELECT rowid, . FROM 'c' WHERE rowid = .} xFilter {SELECT row id, . FROM 'c'} 1/}
1143
1144 do_test vtab1-14.2 {
1145 set echo_module ""
1146 execsql { SELECT * FROM echo_c WHERE rowid = 1 }
1147 set echo_module
1148 } [list xBestIndex {SELECT rowid, * FROM 'c' WHERE rowid = ?} xFilter {SELECT ro wid, * FROM 'c' WHERE rowid = ?} 1]
1149
1150 do_test vtab1-14.3 {
1151 set echo_module ""
1152 execsql { SELECT * FROM echo_c WHERE a = 1 }
1153 set echo_module
1154 } [list xBestIndex {SELECT rowid, * FROM 'c' WHERE a = ?} xFilter {SELECT rowid, * FROM 'c' WHERE a = ?} 1]
1155
1156 #do_test vtab1-14.4 {
1157 # set echo_module ""
1158 # execsql { SELECT * FROM echo_c WHERE a IN (1, 2) }
1159 # set echo_module
1160 #} {/xBestIndex {SELECT rowid, . FROM 'c' WHERE a = .} xFilter {SELECT rowid, . FROM 'c' WHERE a = .} 1/}
1161
1162 do_test vtab1-15.1 {
1163 execsql {
1164 CREATE TABLE t1(a, b, c);
1165 CREATE VIRTUAL TABLE echo_t1 USING echo(t1);
1166 }
1167 } {}
1168 do_test vtab1-15.2 {
1169 execsql {
1170 INSERT INTO echo_t1(rowid) VALUES(45);
1171 SELECT rowid, * FROM echo_t1;
1172 }
1173 } {45 {} {} {}}
1174 do_test vtab1-15.3 {
1175 execsql {
1176 INSERT INTO echo_t1(rowid) VALUES(NULL);
1177 SELECT rowid, * FROM echo_t1;
1178 }
1179 } {45 {} {} {} 46 {} {} {}}
1180 do_test vtab1-15.4 {
1181 catchsql {
1182 INSERT INTO echo_t1(rowid) VALUES('new rowid');
1183 }
1184 } {1 {datatype mismatch}}
1185
1186 # The following tests - vtab1-16.* - are designed to test that setting
1187 # sqlite3_vtab.zErrMsg variable can be used by the vtab interface to
1188 # return an error message to the user.
1189 #
1190 do_test vtab1-16.1 {
1191 execsql {
1192 CREATE TABLE t2(a PRIMARY KEY, b, c);
1193 INSERT INTO t2 VALUES(1, 2, 3);
1194 INSERT INTO t2 VALUES(4, 5, 6);
1195 CREATE VIRTUAL TABLE echo_t2 USING echo(t2);
1196 }
1197 } {}
1198
1199 set tn 2
1200 foreach method [list \
1201 xBestIndex \
1202 xOpen \
1203 xFilter \
1204 xNext \
1205 xColumn \
1206 xRowid \
1207 ] {
1208 do_test vtab1-16.$tn {
1209 set echo_module_fail($method,t2) "the $method method has failed"
1210 catchsql { SELECT rowid, * FROM echo_t2 WHERE a >= 1 }
1211 } "1 {echo-vtab-error: the $method method has failed}"
1212 unset echo_module_fail($method,t2)
1213 incr tn
1214 }
1215
1216 foreach method [list \
1217 xUpdate \
1218 xBegin \
1219 xSync \
1220 ] {
1221 do_test vtab1-16.$tn {
1222 set echo_module_fail($method,t2) "the $method method has failed"
1223 catchsql { INSERT INTO echo_t2 VALUES(7, 8, 9) }
1224 } "1 {echo-vtab-error: the $method method has failed}"
1225 unset echo_module_fail($method,t2)
1226 incr tn
1227 }
1228
1229 ifcapable altertable {
1230 do_test vtab1-16.$tn {
1231 set echo_module_fail(xRename,t2) "the xRename method has failed"
1232 catchsql { ALTER TABLE echo_t2 RENAME TO another_name }
1233 } "1 {echo-vtab-error: the xRename method has failed}"
1234 unset echo_module_fail(xRename,t2)
1235 incr tn
1236 }
1237
1238 # The following test case exposes an instance in sqlite3_declare_vtab()
1239 # an error message was set using a call similar to sqlite3_mprintf(zErr),
1240 # where zErr is an arbitrary string. This is no good if the string contains
1241 # characters that can be mistaken for printf() formatting directives.
1242 #
1243 do_test vtab1-17.1 {
1244 execsql {
1245 PRAGMA writable_schema = 1;
1246 INSERT INTO sqlite_master VALUES(
1247 'table', 't3', 't3', 0, 'INSERT INTO "%s%s" VALUES(1)'
1248 );
1249 }
1250 catchsql { CREATE VIRTUAL TABLE t4 USING echo(t3); }
1251 } {1 {vtable constructor failed: t4}}
1252
1253 # This test verifies that ticket 48f29963 is fixed.
1254 #
1255 do_test vtab1-17.1 {
1256 execsql {
1257 CREATE TABLE t5(a, b);
1258 CREATE VIRTUAL TABLE e5 USING echo_v2(t5);
1259 BEGIN;
1260 INSERT INTO e5 VALUES(1, 2);
1261 DROP TABLE e5;
1262 SAVEPOINT one;
1263 ROLLBACK TO one;
1264 COMMIT;
1265 }
1266 } {}
1267
1268 do_test vtab1-17.2 {
1269 execsql { DELETE FROM sqlite_master WHERE sql LIKE 'insert%' }
1270 } {}
1271
1272 #-------------------------------------------------------------------------
1273 # The following tests - vtab1-18.* - test that the optimization of LIKE
1274 # constraints in where.c plays well with virtual tables.
1275 #
1276 # 18.1.*: Case-insensitive LIKE.
1277 # 18.2.*: Case-sensitive LIKE.
1278 #
1279 unset -nocomplain echo_module_begin_fail
1280
1281 do_execsql_test 18.1.0 {
1282 CREATE TABLE t6(a, b TEXT);
1283 CREATE INDEX i6 ON t6(b, a);
1284 INSERT INTO t6 VALUES(1, 'Peter');
1285 INSERT INTO t6 VALUES(2, 'Andrew');
1286 INSERT INTO t6 VALUES(3, 'James');
1287 INSERT INTO t6 VALUES(4, 'John');
1288 INSERT INTO t6 VALUES(5, 'Phillip');
1289 INSERT INTO t6 VALUES(6, 'Bartholomew');
1290 CREATE VIRTUAL TABLE e6 USING echo(t6);
1291 }
1292
1293 foreach {tn sql res filter} {
1294 1.1 "SELECT a FROM e6 WHERE b>'James'" {4 1 5}
1295 {xFilter {SELECT rowid, * FROM 't6' WHERE b > ?} James}
1296
1297 1.2 "SELECT a FROM e6 WHERE b>='J' AND b<'K'" {3 4}
1298 {xFilter {SELECT rowid, * FROM 't6' WHERE b >= ? AND b < ?} J K}
1299
1300 1.3 "SELECT a FROM e6 WHERE b LIKE 'J%'" {3 4}
1301 {xFilter {SELECT rowid, * FROM 't6'}}
1302
1303 1.4 "SELECT a FROM e6 WHERE b LIKE 'j%'" {3 4}
1304 {xFilter {SELECT rowid, * FROM 't6'}}
1305 } {
1306 set echo_module {}
1307 do_execsql_test 18.$tn.1 $sql $res
1308 do_test 18.$tn.2 { lrange $::echo_module 2 end } $filter
1309 }
1310
1311 do_execsql_test 18.2.0 { PRAGMA case_sensitive_like = ON }
1312 foreach {tn sql res filter} {
1313 2.1 "SELECT a FROM e6 WHERE b LIKE 'J%'" {3 4}
1314 {xFilter {SELECT rowid, * FROM 't6'}}
1315
1316 2.2 "SELECT a FROM e6 WHERE b LIKE 'j%'" {}
1317 {xFilter {SELECT rowid, * FROM 't6'}}
1318 } {
1319 set echo_module {}
1320 do_execsql_test 18.$tn.1 $sql $res
1321 do_test 18.$tn.2 { lrange $::echo_module 2 end } $filter
1322 }
1323 do_execsql_test 18.2.x { PRAGMA case_sensitive_like = OFF }
1324
1325 #-------------------------------------------------------------------------
1326 # Test that an existing module may not be overridden.
1327 #
1328 do_test 19.1 {
1329 sqlite3 db2 test.db
1330 register_echo_module [sqlite3_connection_pointer db2]
1331 } SQLITE_OK
1332 do_test 19.2 {
1333 register_echo_module [sqlite3_connection_pointer db2]
1334 } SQLITE_MISUSE
1335 do_test 19.3 {
1336 db2 close
1337 } {}
1338
1339 #-------------------------------------------------------------------------
1340 # Test that the bug fixed by [b0c1ba655d69] really is fixed.
1341 #
1342 do_execsql_test 20.1 {
1343 CREATE TABLE t7 (a, b);
1344 CREATE TABLE t8 (c, d);
1345 CREATE INDEX i2 ON t7(a);
1346 CREATE INDEX i3 ON t7(b);
1347 CREATE INDEX i4 ON t8(c);
1348 CREATE INDEX i5 ON t8(d);
1349
1350 CREATE VIRTUAL TABLE t7v USING echo(t7);
1351 CREATE VIRTUAL TABLE t8v USING echo(t8);
1352 }
1353
1354 do_test 20.2 {
1355 for {set i 0} {$i < 1000} {incr i} {
1356 db eval {INSERT INTO t7 VALUES($i, $i)}
1357 db eval {INSERT INTO t8 VALUES($i, $i)}
1358 }
1359 } {}
1360
1361 do_execsql_test 20.3 {
1362 SELECT a, b FROM (
1363 SELECT a, b FROM t7 WHERE a=11 OR b=12
1364 UNION ALL
1365 SELECT c, d FROM t8 WHERE c=5 OR d=6
1366 )
1367 ORDER BY 1, 2;
1368 } {5 5 6 6 11 11 12 12}
1369
1370 do_execsql_test 20.4 {
1371 SELECT a, b FROM (
1372 SELECT a, b FROM t7v WHERE a=11 OR b=12
1373 UNION ALL
1374 SELECT c, d FROM t8v WHERE c=5 OR d=6
1375 )
1376 ORDER BY 1, 2;
1377 } {5 5 6 6 11 11 12 12}
1378
1379 #-------------------------------------------------------------------------
1380 #
1381 do_execsql_test 21.1 {
1382 CREATE TABLE t9(a,b,c);
1383 CREATE VIRTUAL TABLE t9v USING echo(t9);
1384
1385 INSERT INTO t9 VALUES(1,2,3);
1386 INSERT INTO t9 VALUES(3,2,1);
1387 INSERT INTO t9 VALUES(2,2,2);
1388 }
1389
1390 do_execsql_test 21.2 {
1391 SELECT * FROM t9v WHERE a<b;
1392 } {1 2 3}
1393
1394 do_execsql_test 21.3 {
1395 SELECT * FROM t9v WHERE a=b;
1396 } {2 2 2}
1397
1398 finish_test
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