Annotation of embedaddon/sqlite3/test/view.test, revision 1.1.1.1
1.1 misho 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
17:
18: # Omit this entire file if the library is not configured with views enabled.
19: ifcapable !view {
20: finish_test
21: return
22: }
23:
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}
33:
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}
94:
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}
129:
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}
155:
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
174:
175:
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}}
201:
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}
219:
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
261:
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}
272:
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}
324:
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}
344:
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
369:
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}
409:
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}
427:
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}
450:
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}}
458:
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: }
469:
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}}
478:
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}
492:
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 {}}
508:
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}}
522:
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);
530:
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;
536:
537: SELECT * FROM vv5;
538: }
539: } {1 2 3 4 5 6}
540:
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}
568:
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: } {}
578:
579: finish_test
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