| blob | 3ba6c0b4653e4e8d9075a358ee7dd5e321586d4d |
1 # 2002 February 26
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 VIEW statements.
13 #
14 # $Id: view.test,v 1.39 2008/12/14 14:45:21 danielk1977 Exp $
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
18 # Omit this entire file if the library is not configured with views enabled.
19 ifcapable !view {
20 finish_test
21 return
22 }
24 do_test view-1.0 {
25 execsql {
26 CREATE TABLE t1(a,b,c);
27 INSERT INTO t1 VALUES(1,2,3);
28 INSERT INTO t1 VALUES(4,5,6);
29 INSERT INTO t1 VALUES(7,8,9);
30 SELECT * FROM t1;
31 }
32 } {1 2 3 4 5 6 7 8 9}
34 do_test view-1.1 {
35 execsql {
36 BEGIN;
37 CREATE VIEW IF NOT EXISTS v1 AS SELECT a,b FROM t1;
38 SELECT * FROM v1 ORDER BY a;
39 }
40 } {1 2 4 5 7 8}
41 do_test view-1.2 {
42 catchsql {
43 ROLLBACK;
44 SELECT * FROM v1 ORDER BY a;
45 }
46 } {1 {no such table: v1}}
47 do_test view-1.3 {
48 execsql {
49 CREATE VIEW v1 AS SELECT a,b FROM t1;
50 SELECT * FROM v1 ORDER BY a;
51 }
52 } {1 2 4 5 7 8}
53 do_test view-1.3.1 {
54 db close
55 sqlite3 db test.db
56 execsql {
57 SELECT * FROM v1 ORDER BY a;
58 }
59 } {1 2 4 5 7 8}
60 do_test view-1.4 {
61 catchsql {
62 DROP VIEW IF EXISTS v1;
63 SELECT * FROM v1 ORDER BY a;
64 }
65 } {1 {no such table: v1}}
66 do_test view-1.5 {
67 execsql {
68 CREATE VIEW v1 AS SELECT a,b FROM t1;
69 SELECT * FROM v1 ORDER BY a;
70 }
71 } {1 2 4 5 7 8}
72 do_test view-1.6 {
73 catchsql {
74 DROP TABLE t1;
75 SELECT * FROM v1 ORDER BY a;
76 }
77 } {1 {no such table: main.t1}}
78 do_test view-1.7 {
79 execsql {
80 CREATE TABLE t1(x,a,b,c);
81 INSERT INTO t1 VALUES(1,2,3,4);
82 INSERT INTO t1 VALUES(4,5,6,7);
83 INSERT INTO t1 VALUES(7,8,9,10);
84 SELECT * FROM v1 ORDER BY a;
85 }
86 } {2 3 5 6 8 9}
87 do_test view-1.8 {
88 db close
89 sqlite3 db test.db
90 execsql {
91 SELECT * FROM v1 ORDER BY a;
92 }
93 } {2 3 5 6 8 9}
95 do_test view-2.1 {
96 execsql {
97 CREATE VIEW v2 AS SELECT * FROM t1 WHERE a>5
98 }; # No semicolon
99 execsql2 {
100 SELECT * FROM v2;
101 }
102 } {x 7 a 8 b 9 c 10}
103 do_test view-2.2 {
104 catchsql {
105 INSERT INTO v2 VALUES(1,2,3,4);
106 }
107 } {1 {cannot modify v2 because it is a view}}
108 do_test view-2.3 {
109 catchsql {
110 UPDATE v2 SET a=10 WHERE a=5;
111 }
112 } {1 {cannot modify v2 because it is a view}}
113 do_test view-2.4 {
114 catchsql {
115 DELETE FROM v2;
116 }
117 } {1 {cannot modify v2 because it is a view}}
118 do_test view-2.5 {
119 execsql {
120 INSERT INTO t1 VALUES(11,12,13,14);
121 SELECT * FROM v2 ORDER BY x;
122 }
123 } {7 8 9 10 11 12 13 14}
124 do_test view-2.6 {
125 execsql {
126 SELECT x FROM v2 WHERE a>10
127 }
128 } {11}
130 # Test that column name of views are generated correctly.
131 #
132 do_test view-3.1 {
133 execsql2 {
134 SELECT * FROM v1 LIMIT 1
135 }
136 } {a 2 b 3}
137 do_test view-3.2 {
138 execsql2 {
139 SELECT * FROM v2 LIMIT 1
140 }
141 } {x 7 a 8 b 9 c 10}
142 do_test view-3.3.1 {
143 execsql2 {
144 DROP VIEW v1;
145 CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1;
146 SELECT * FROM v1 LIMIT 1
147 }
148 } {xyz 2 pqr 7 c-b 1}
149 do_test view-3.3.2 {
150 execsql2 {
151 CREATE VIEW v1b AS SELECT t1.a, b+c, t1.c FROM t1;
152 SELECT * FROM v1b LIMIT 1
153 }
154 } {a 2 b+c 7 c 4}
156 ifcapable compound {
157 do_test view-3.4 {
158 execsql2 {
159 CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
160 SELECT * FROM v3 LIMIT 4;
161 }
162 } {a 2 a 3 a 5 a 6}
163 do_test view-3.5 {
164 execsql2 {
165 CREATE VIEW v4 AS
166 SELECT a, b FROM t1
167 UNION
168 SELECT b AS 'x', a AS 'y' FROM t1
169 ORDER BY x, y;
170 SELECT b FROM v4 ORDER BY b LIMIT 4;
171 }
172 } {b 2 b 3 b 5 b 6}
173 } ;# ifcapable compound
176 do_test view-4.1 {
177 catchsql {
178 DROP VIEW t1;
179 }
180 } {1 {use DROP TABLE to delete table t1}}
181 do_test view-4.2 {
182 execsql {
183 SELECT 1 FROM t1 LIMIT 1;
184 }
185 } 1
186 do_test view-4.3 {
187 catchsql {
188 DROP TABLE v1;
189 }
190 } {1 {use DROP VIEW to delete view v1}}
191 do_test view-4.4 {
192 execsql {
193 SELECT 1 FROM v1 LIMIT 1;
194 }
195 } {1}
196 do_test view-4.5 {
197 catchsql {
198 CREATE INDEX i1v1 ON v1(xyz);
199 }
200 } {1 {views may not be indexed}}
202 do_test view-5.1 {
203 execsql {
204 CREATE TABLE t2(y,a);
205 INSERT INTO t2 VALUES(22,2);
206 INSERT INTO t2 VALUES(33,3);
207 INSERT INTO t2 VALUES(44,4);
208 INSERT INTO t2 VALUES(55,5);
209 SELECT * FROM t2;
210 }
211 } {22 2 33 3 44 4 55 5}
212 do_test view-5.2 {
213 execsql {
214 CREATE VIEW v5 AS
215 SELECT t1.x AS v, t2.y AS w FROM t1 JOIN t2 USING(a);
216 SELECT * FROM v5;
217 }
218 } {1 22 4 55}
220 # Verify that the view v5 gets flattened. see sqliteFlattenSubquery().
221 # This will only work if EXPLAIN is enabled.
222 # Ticket #272
223 #
224 ifcapable {explain} {
225 do_test view-5.3 {
226 lsearch [execsql {
227 EXPLAIN SELECT * FROM v5;
228 }] OpenEphemeral
229 } {-1}
230 do_test view-5.4 {
231 execsql {
232 SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
233 }
234 } {1 22 22 2 4 55 55 5}
235 do_test view-5.5 {
236 lsearch [execsql {
237 EXPLAIN SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
238 }] OpenEphemeral
239 } {-1}
240 do_test view-5.6 {
241 execsql {
242 SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
243 }
244 } {22 2 1 22 55 5 4 55}
245 do_test view-5.7 {
246 lsearch [execsql {
247 EXPLAIN SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
248 }] OpenEphemeral
249 } {-1}
250 do_test view-5.8 {
251 execsql {
252 SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
253 }
254 } {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5}
255 do_test view-5.9 {
256 lsearch [execsql {
257 EXPLAIN SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
258 }] OpenEphemeral
259 } {-1}
260 } ;# endif explain
262 do_test view-6.1 {
263 execsql {
264 SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2;
265 }
266 } {7 8 9 10 27}
267 do_test view-6.2 {
268 execsql {
269 SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2;
270 }
271 } {11 12 13 14 39}
273 do_test view-7.1 {
274 execsql {
275 CREATE TABLE test1(id integer primary key, a);
276 CREATE TABLE test2(id integer, b);
277 INSERT INTO test1 VALUES(1,2);
278 INSERT INTO test2 VALUES(1,3);
279 CREATE VIEW test AS
280 SELECT test1.id, a, b
281 FROM test1 JOIN test2 ON test2.id=test1.id;
282 SELECT * FROM test;
283 }
284 } {1 2 3}
285 do_test view-7.2 {
286 db close
287 sqlite3 db test.db
288 execsql {
289 SELECT * FROM test;
290 }
291 } {1 2 3}
292 do_test view-7.3 {
293 execsql {
294 DROP VIEW test;
295 CREATE VIEW test AS
296 SELECT test1.id, a, b
297 FROM test1 JOIN test2 USING(id);
298 SELECT * FROM test;
299 }
300 } {1 2 3}
301 do_test view-7.4 {
302 db close
303 sqlite3 db test.db
304 execsql {
305 SELECT * FROM test;
306 }
307 } {1 2 3}
308 do_test view-7.5 {
309 execsql {
310 DROP VIEW test;
311 CREATE VIEW test AS
312 SELECT test1.id, a, b
313 FROM test1 NATURAL JOIN test2;
314 SELECT * FROM test;
315 }
316 } {1 2 3}
317 do_test view-7.6 {
318 db close
319 sqlite3 db test.db
320 execsql {
321 SELECT * FROM test;
322 }
323 } {1 2 3}
325 do_test view-8.1 {
326 execsql {
327 CREATE VIEW v6 AS SELECT pqr, xyz FROM v1;
328 SELECT * FROM v6 ORDER BY xyz;
329 }
330 } {7 2 13 5 19 8 27 12}
331 do_test view-8.2 {
332 db close
333 sqlite3 db test.db
334 execsql {
335 SELECT * FROM v6 ORDER BY xyz;
336 }
337 } {7 2 13 5 19 8 27 12}
338 do_test view-8.3 {
339 execsql {
340 CREATE VIEW v7 AS SELECT pqr+xyz AS a FROM v6;
341 SELECT * FROM v7 ORDER BY a;
342 }
343 } {9 18 27 39}
345 ifcapable subquery {
346 do_test view-8.4 {
347 execsql {
348 CREATE VIEW v8 AS SELECT max(cnt) AS mx FROM
349 (SELECT a%2 AS eo, count(*) AS cnt FROM t1 GROUP BY eo);
350 SELECT * FROM v8;
351 }
352 } 3
353 do_test view-8.5 {
354 execsql {
355 SELECT mx+10, mx*2 FROM v8;
356 }
357 } {13 6}
358 do_test view-8.6 {
359 execsql {
360 SELECT mx+10, pqr FROM v6, v8 WHERE xyz=2;
361 }
362 } {13 7}
363 do_test view-8.7 {
364 execsql {
365 SELECT mx+10, pqr FROM v6, v8 WHERE xyz>2;
366 }
367 } {13 13 13 19 13 27}
368 } ;# ifcapable subquery
370 # Tests for a bug found by Michiel de Wit involving ORDER BY in a VIEW.
371 #
372 do_test view-9.1 {
373 execsql {
374 INSERT INTO t2 SELECT * FROM t2 WHERE a<5;
375 INSERT INTO t2 SELECT * FROM t2 WHERE a<4;
376 INSERT INTO t2 SELECT * FROM t2 WHERE a<3;
377 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1;
378 }
379 } {1 2 4 8}
380 do_test view-9.2 {
381 execsql {
382 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
383 }
384 } {1 2 4}
385 do_test view-9.3 {
386 execsql {
387 CREATE VIEW v9 AS
388 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
389 SELECT * FROM v9;
390 }
391 } {1 2 4}
392 do_test view-9.4 {
393 execsql {
394 SELECT * FROM v9 ORDER BY 1 DESC;
395 }
396 } {4 2 1}
397 do_test view-9.5 {
398 execsql {
399 CREATE VIEW v10 AS
400 SELECT DISTINCT a, count(*) FROM t2 GROUP BY a ORDER BY 2 LIMIT 3;
401 SELECT * FROM v10;
402 }
403 } {5 1 4 2 3 4}
404 do_test view-9.6 {
405 execsql {
406 SELECT * FROM v10 ORDER BY 1;
407 }
408 } {3 4 4 2 5 1}
410 # Tables with columns having peculiar quoted names used in views
411 # Ticket #756.
412 #
413 do_test view-10.1 {
414 execsql {
415 CREATE TABLE t3("9" integer, [4] text);
416 INSERT INTO t3 VALUES(1,2);
417 CREATE VIEW v_t3_a AS SELECT a.[9] FROM t3 AS a;
418 CREATE VIEW v_t3_b AS SELECT "4" FROM t3;
419 SELECT * FROM v_t3_a;
420 }
421 } {1}
422 do_test view-10.2 {
423 execsql {
424 SELECT * FROM v_t3_b;
425 }
426 } {2}
428 do_test view-11.1 {
429 execsql {
430 CREATE TABLE t4(a COLLATE NOCASE);
431 INSERT INTO t4 VALUES('This');
432 INSERT INTO t4 VALUES('this');
433 INSERT INTO t4 VALUES('THIS');
434 SELECT * FROM t4 WHERE a = 'THIS';
435 }
436 } {This this THIS}
437 ifcapable subquery {
438 do_test view-11.2 {
439 execsql {
440 SELECT * FROM (SELECT * FROM t4) WHERE a = 'THIS';
441 }
442 } {This this THIS}
443 }
444 do_test view-11.3 {
445 execsql {
446 CREATE VIEW v11 AS SELECT * FROM t4;
447 SELECT * FROM v11 WHERE a = 'THIS';
448 }
449 } {This this THIS}
451 # Ticket #1270: Do not allow parameters in view definitions.
452 #
453 do_test view-12.1 {
454 catchsql {
455 CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=?
456 }
457 } {1 {parameters are not allowed in views}}
459 ifcapable attach {
460 do_test view-13.1 {
461 forcedelete test2.db
462 catchsql {
463 ATTACH 'test2.db' AS two;
464 CREATE TABLE two.t2(x,y);
465 CREATE VIEW v13 AS SELECT y FROM two.t2;
466 }
467 } {1 {view v13 cannot reference objects in database two}}
468 }
470 # Ticket #1658
471 #
472 do_test view-14.1 {
473 catchsql {
474 CREATE TEMP VIEW t1 AS SELECT a,b FROM t1;
475 SELECT * FROM temp.t1;
476 }
477 } {1 {view t1 is circularly defined}}
479 # Tickets #1688, #1709
480 #
481 do_test view-15.1 {
482 execsql2 {
483 CREATE VIEW v15 AS SELECT a AS x, b AS y FROM t1;
484 SELECT * FROM v15 LIMIT 1;
485 }
486 } {x 2 y 3}
487 do_test view-15.2 {
488 execsql2 {
489 SELECT x, y FROM v15 LIMIT 1
490 }
491 } {x 2 y 3}
493 do_test view-16.1 {
494 catchsql {
495 CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1;
496 }
497 } {0 {}}
498 do_test view-16.2 {
499 execsql {
500 SELECT sql FROM sqlite_master WHERE name='v1'
501 }
502 } {{CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1}}
503 do_test view-16.3 {
504 catchsql {
505 DROP VIEW IF EXISTS nosuchview
506 }
507 } {0 {}}
509 # correct error message when attempting to drop a view that does not
510 # exist.
511 #
512 do_test view-17.1 {
513 catchsql {
514 DROP VIEW nosuchview
515 }
516 } {1 {no such view: nosuchview}}
517 do_test view-17.2 {
518 catchsql {
519 DROP VIEW main.nosuchview
520 }
521 } {1 {no such view: main.nosuchview}}
523 do_test view-18.1 {
524 execsql {
525 DROP VIEW t1;
526 DROP TABLE t1;
527 CREATE TABLE t1(a, b, c);
528 INSERT INTO t1 VALUES(1, 2, 3);
529 INSERT INTO t1 VALUES(4, 5, 6);
531 CREATE VIEW vv1 AS SELECT * FROM t1;
532 CREATE VIEW vv2 AS SELECT * FROM vv1;
533 CREATE VIEW vv3 AS SELECT * FROM vv2;
534 CREATE VIEW vv4 AS SELECT * FROM vv3;
535 CREATE VIEW vv5 AS SELECT * FROM vv4;
537 SELECT * FROM vv5;
538 }
539 } {1 2 3 4 5 6}
541 # Ticket #3308
542 # Make sure "rowid" columns in a view are named correctly.
543 #
544 do_test view-19.1 {
545 execsql {
546 CREATE VIEW v3308a AS SELECT rowid, * FROM t1;
547 }
548 execsql2 {
549 SELECT * FROM v3308a
550 }
551 } {rowid 1 a 1 b 2 c 3 rowid 2 a 4 b 5 c 6}
552 do_test view-19.2 {
553 execsql {
554 CREATE VIEW v3308b AS SELECT t1.rowid, t1.a, t1.b+t1.c FROM t1;
555 }
556 execsql2 {
557 SELECT * FROM v3308b
558 }
559 } {rowid 1 a 1 t1.b+t1.c 5 rowid 2 a 4 t1.b+t1.c 11}
560 do_test view-19.3 {
561 execsql {
562 CREATE VIEW v3308c AS SELECT t1.oid, A, t1.b+t1.c AS x FROM t1;
563 }
564 execsql2 {
565 SELECT * FROM v3308c
566 }
567 } {rowid 1 a 1 x 5 rowid 2 a 4 x 11}
569 # Ticket #3539 had this crashing (see commit [5940]).
570 do_test view-20.1 {
571 execsql {
572 DROP TABLE IF EXISTS t1;
573 DROP VIEW IF EXISTS v1;
574 CREATE TABLE t1(c1);
575 CREATE VIEW v1 AS SELECT c1 FROM (SELECT t1.c1 FROM t1);
576 }
577 } {}
579 # Ticket [d58ccbb3f1b]: Prevent Table.nRef overflow.
580 db close
581 sqlite3 db :memory:
582 do_test view-21.1 {
583 catchsql {
584 CREATE TABLE t1(x);
585 INSERT INTO t1 VALUES(5);
586 CREATE VIEW v1 AS SELECT x*2 FROM t1;
587 CREATE VIEW v2 AS SELECT * FROM v1 UNION SELECT * FROM v1;
588 CREATE VIEW v4 AS SELECT * FROM v2 UNION SELECT * FROM v2;
589 CREATE VIEW v8 AS SELECT * FROM v4 UNION SELECT * FROM v4;
590 CREATE VIEW v16 AS SELECT * FROM v8 UNION SELECT * FROM v8;
591 CREATE VIEW v32 AS SELECT * FROM v16 UNION SELECT * FROM v16;
592 CREATE VIEW v64 AS SELECT * FROM v32 UNION SELECT * FROM v32;
593 CREATE VIEW v128 AS SELECT * FROM v64 UNION SELECT * FROM v64;
594 CREATE VIEW v256 AS SELECT * FROM v128 UNION SELECT * FROM v128;
595 CREATE VIEW v512 AS SELECT * FROM v256 UNION SELECT * FROM v256;
596 CREATE VIEW v1024 AS SELECT * FROM v512 UNION SELECT * FROM v512;
597 CREATE VIEW v2048 AS SELECT * FROM v1024 UNION SELECT * FROM v1024;
598 CREATE VIEW v4096 AS SELECT * FROM v2048 UNION SELECT * FROM v2048;
599 CREATE VIEW v8192 AS SELECT * FROM v4096 UNION SELECT * FROM v4096;
600 CREATE VIEW v16384 AS SELECT * FROM v8192 UNION SELECT * FROM v8192;
601 CREATE VIEW v32768 AS SELECT * FROM v16384 UNION SELECT * FROM v16384;
602 CREATE VIEW vx AS SELECT * FROM v32768 UNION SELECT * FROM v32768;
603 }
604 } {1 {too many references to "v1": max 65535}}
605 ifcapable progress {
606 do_test view-21.2 {
607 db progress 1000 {expr 1}
608 catchsql {
609 SELECT * FROM v32768;
610 }
611 } {1 interrupted}
612 }
614 db close
615 sqlite3 db :memory:
616 do_execsql_test view-22.1 {
617 CREATE VIEW x1 AS SELECT 123 AS '', 234 AS '', 345 AS '';
618 SELECT * FROM x1;
619 } {123 234 345}
620 do_test view-22.2 {
621 unset -nocomplain x
622 db eval {SELECT * FROM x1} x break
623 lsort [array names x]
624 } {{} * :1 :2}
627 finish_test