| blob | 2da7e8deb6388de43f009e65412713e59b7405e1 |
2 #pragma ident "%Z%%M% %I% %E% SMI"
4 # 2002 February 26
5 #
6 # The author disclaims copyright to this source code. In place of
7 # a legal notice, here is a blessing:
8 #
9 # May you do good and not evil.
10 # May you find forgiveness for yourself and forgive others.
11 # May you share freely, never taking more than you give.
12 #
13 #***********************************************************************
14 # This file implements regression tests for SQLite library. The
15 # focus of this file is testing VIEW statements.
16 #
17 # $Id: view.test,v 1.16.2.1 2004/07/20 00:20:47 drh Exp $
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
21 do_test view-1.0 {
22 execsql {
23 CREATE TABLE t1(a,b,c);
24 INSERT INTO t1 VALUES(1,2,3);
25 INSERT INTO t1 VALUES(4,5,6);
26 INSERT INTO t1 VALUES(7,8,9);
27 SELECT * FROM t1;
28 }
29 } {1 2 3 4 5 6 7 8 9}
31 do_test view-1.1 {
32 execsql {
33 BEGIN;
34 CREATE VIEW v1 AS SELECT a,b FROM t1;
35 SELECT * FROM v1 ORDER BY a;
36 }
37 } {1 2 4 5 7 8}
38 do_test view-1.2 {
39 catchsql {
40 ROLLBACK;
41 SELECT * FROM v1 ORDER BY a;
42 }
43 } {1 {no such table: v1}}
44 do_test view-1.3 {
45 execsql {
46 CREATE VIEW v1 AS SELECT a,b FROM t1;
47 SELECT * FROM v1 ORDER BY a;
48 }
49 } {1 2 4 5 7 8}
50 do_test view-1.3.1 {
51 db close
52 sqlite db test.db
53 execsql {
54 SELECT * FROM v1 ORDER BY a;
55 }
56 } {1 2 4 5 7 8}
57 do_test view-1.4 {
58 catchsql {
59 DROP VIEW v1;
60 SELECT * FROM v1 ORDER BY a;
61 }
62 } {1 {no such table: v1}}
63 do_test view-1.5 {
64 execsql {
65 CREATE VIEW v1 AS SELECT a,b FROM t1;
66 SELECT * FROM v1 ORDER BY a;
67 }
68 } {1 2 4 5 7 8}
69 do_test view-1.6 {
70 catchsql {
71 DROP TABLE t1;
72 SELECT * FROM v1 ORDER BY a;
73 }
74 } {1 {no such table: main.t1}}
75 do_test view-1.7 {
76 execsql {
77 CREATE TABLE t1(x,a,b,c);
78 INSERT INTO t1 VALUES(1,2,3,4);
79 INSERT INTO t1 VALUES(4,5,6,7);
80 INSERT INTO t1 VALUES(7,8,9,10);
81 SELECT * FROM v1 ORDER BY a;
82 }
83 } {2 3 5 6 8 9}
84 do_test view-1.8 {
85 db close
86 sqlite db test.db
87 execsql {
88 SELECT * FROM v1 ORDER BY a;
89 }
90 } {2 3 5 6 8 9}
92 do_test view-2.1 {
93 execsql {
94 CREATE VIEW v2 AS SELECT * FROM t1 WHERE a>5
95 }; # No semicolon
96 execsql2 {
97 SELECT * FROM v2;
98 }
99 } {x 7 a 8 b 9 c 10}
100 do_test view-2.2 {
101 catchsql {
102 INSERT INTO v2 VALUES(1,2,3,4);
103 }
104 } {1 {cannot modify v2 because it is a view}}
105 do_test view-2.3 {
106 catchsql {
107 UPDATE v2 SET a=10 WHERE a=5;
108 }
109 } {1 {cannot modify v2 because it is a view}}
110 do_test view-2.4 {
111 catchsql {
112 DELETE FROM v2;
113 }
114 } {1 {cannot modify v2 because it is a view}}
115 do_test view-2.5 {
116 execsql {
117 INSERT INTO t1 VALUES(11,12,13,14);
118 SELECT * FROM v2 ORDER BY x;
119 }
120 } {7 8 9 10 11 12 13 14}
121 do_test view-2.6 {
122 execsql {
123 SELECT x FROM v2 WHERE a>10
124 }
125 } {11}
127 # Test that column name of views are generated correctly.
128 #
129 do_test view-3.1 {
130 execsql2 {
131 SELECT * FROM v1 LIMIT 1
132 }
133 } {a 2 b 3}
134 do_test view-3.2 {
135 execsql2 {
136 SELECT * FROM v2 LIMIT 1
137 }
138 } {x 7 a 8 b 9 c 10}
139 do_test view-3.3 {
140 execsql2 {
141 DROP VIEW v1;
142 CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1;
143 SELECT * FROM v1 LIMIT 1
144 }
145 } {xyz 2 pqr 7 c-b 1}
146 do_test view-3.4 {
147 execsql2 {
148 CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
149 SELECT * FROM v3 LIMIT 4;
150 }
151 } {b 2 b 3 b 5 b 6}
152 do_test view-3.5 {
153 execsql2 {
154 CREATE VIEW v4 AS
155 SELECT a, b FROM t1
156 UNION
157 SELECT b AS 'x', a AS 'y' FROM t1
158 ORDER BY x, y;
159 SELECT y FROM v4 ORDER BY y LIMIT 4;
160 }
161 } {y 2 y 3 y 5 y 6}
164 do_test view-4.1 {
165 catchsql {
166 DROP VIEW t1;
167 }
168 } {1 {use DROP TABLE to delete table t1}}
169 do_test view-4.2 {
170 execsql {
171 SELECT 1 FROM t1 LIMIT 1;
172 }
173 } 1
174 do_test view-4.3 {
175 catchsql {
176 DROP TABLE v1;
177 }
178 } {1 {use DROP VIEW to delete view v1}}
179 do_test view-4.4 {
180 execsql {
181 SELECT 1 FROM v1 LIMIT 1;
182 }
183 } {1}
184 do_test view-4.5 {
185 catchsql {
186 CREATE INDEX i1v1 ON v1(xyz);
187 }
188 } {1 {views may not be indexed}}
190 do_test view-5.1 {
191 execsql {
192 CREATE TABLE t2(y,a);
193 INSERT INTO t2 VALUES(22,2);
194 INSERT INTO t2 VALUES(33,3);
195 INSERT INTO t2 VALUES(44,4);
196 INSERT INTO t2 VALUES(55,5);
197 SELECT * FROM t2;
198 }
199 } {22 2 33 3 44 4 55 5}
200 do_test view-5.2 {
201 execsql {
202 CREATE VIEW v5 AS
203 SELECT t1.x AS v, t2.y AS w FROM t1 JOIN t2 USING(a);
204 SELECT * FROM v5;
205 }
206 } {1 22 4 55}
208 # Verify that the view v5 gets flattened. see sqliteFlattenSubquery().
209 # Ticket #272
210 do_test view-5.3 {
211 lsearch [execsql {
212 EXPLAIN SELECT * FROM v5;
213 }] OpenTemp
214 } {-1}
215 do_test view-5.4 {
216 execsql {
217 SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
218 }
219 } {1 22 22 2 4 55 55 5}
220 do_test view-5.5 {
221 lsearch [execsql {
222 EXPLAIN SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
223 }] OpenTemp
224 } {-1}
225 do_test view-5.6 {
226 execsql {
227 SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
228 }
229 } {22 2 1 22 55 5 4 55}
230 do_test view-5.7 {
231 lsearch [execsql {
232 EXPLAIN SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
233 }] OpenTemp
234 } {-1}
235 do_test view-5.8 {
236 execsql {
237 SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
238 }
239 } {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5}
240 do_test view-5.9 {
241 lsearch [execsql {
242 EXPLAIN SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
243 }] OpenTemp
244 } {-1}
246 do_test view-6.1 {
247 execsql {
248 SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2;
249 }
250 } {7 8 9 10 27}
251 do_test view-6.2 {
252 execsql {
253 SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2;
254 }
255 } {11 12 13 14 39}
257 do_test view-7.1 {
258 execsql {
259 CREATE TABLE test1(id integer primary key, a);
260 CREATE TABLE test2(id integer, b);
261 INSERT INTO test1 VALUES(1,2);
262 INSERT INTO test2 VALUES(1,3);
263 CREATE VIEW test AS
264 SELECT test1.id, a, b
265 FROM test1 JOIN test2 ON test2.id=test1.id;
266 SELECT * FROM test;
267 }
268 } {1 2 3}
269 do_test view-7.2 {
270 db close
271 sqlite db test.db
272 execsql {
273 SELECT * FROM test;
274 }
275 } {1 2 3}
276 do_test view-7.3 {
277 execsql {
278 DROP VIEW test;
279 CREATE VIEW test AS
280 SELECT test1.id, a, b
281 FROM test1 JOIN test2 USING(id);
282 SELECT * FROM test;
283 }
284 } {1 2 3}
285 do_test view-7.4 {
286 db close
287 sqlite db test.db
288 execsql {
289 SELECT * FROM test;
290 }
291 } {1 2 3}
292 do_test view-7.5 {
293 execsql {
294 DROP VIEW test;
295 CREATE VIEW test AS
296 SELECT test1.id, a, b
297 FROM test1 NATURAL JOIN test2;
298 SELECT * FROM test;
299 }
300 } {1 2 3}
301 do_test view-7.6 {
302 db close
303 sqlite db test.db
304 execsql {
305 SELECT * FROM test;
306 }
307 } {1 2 3}
309 do_test view-8.1 {
310 execsql {
311 CREATE VIEW v6 AS SELECT pqr, xyz FROM v1;
312 SELECT * FROM v6 ORDER BY xyz;
313 }
314 } {7 2 13 5 19 8 27 12}
315 do_test view-8.2 {
316 db close
317 sqlite db test.db
318 execsql {
319 SELECT * FROM v6 ORDER BY xyz;
320 }
321 } {7 2 13 5 19 8 27 12}
322 do_test view-8.3 {
323 execsql {
324 CREATE VIEW v7 AS SELECT pqr+xyz AS a FROM v6;
325 SELECT * FROM v7 ORDER BY a;
326 }
327 } {9 18 27 39}
328 do_test view-8.4 {
329 execsql {
330 CREATE VIEW v8 AS SELECT max(cnt) AS mx FROM
331 (SELECT a%2 AS eo, count(*) AS cnt FROM t1 GROUP BY eo);
332 SELECT * FROM v8;
333 }
334 } 3
335 do_test view-8.5 {
336 execsql {
337 SELECT mx+10, mx*2 FROM v8;
338 }
339 } {13 6}
340 do_test view-8.6 {
341 execsql {
342 SELECT mx+10, pqr FROM v6, v8 WHERE xyz=2;
343 }
344 } {13 7}
345 do_test view-8.7 {
346 execsql {
347 SELECT mx+10, pqr FROM v6, v8 WHERE xyz>2;
348 }
349 } {13 13 13 19 13 27}
351 # Tests for a bug found by Michiel de Wit involving ORDER BY in a VIEW.
352 #
353 do_test view-9.1 {
354 execsql {
355 INSERT INTO t2 SELECT * FROM t2 WHERE a<5;
356 INSERT INTO t2 SELECT * FROM t2 WHERE a<4;
357 INSERT INTO t2 SELECT * FROM t2 WHERE a<3;
358 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1;
359 }
360 } {1 2 4 8}
361 do_test view-9.2 {
362 execsql {
363 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
364 }
365 } {1 2 4}
366 do_test view-9.3 {
367 execsql {
368 CREATE VIEW v9 AS
369 SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
370 SELECT * FROM v9;
371 }
372 } {1 2 4}
373 do_test view-9.4 {
374 execsql {
375 SELECT * FROM v9 ORDER BY 1 DESC;
376 }
377 } {4 2 1}
378 do_test view-9.5 {
379 execsql {
380 CREATE VIEW v10 AS
381 SELECT DISTINCT a, count(*) FROM t2 GROUP BY a ORDER BY 2 LIMIT 3;
382 SELECT * FROM v10;
383 }
384 } {5 1 4 2 3 4}
385 do_test view-9.6 {
386 execsql {
387 SELECT * FROM v10 ORDER BY 1;
388 }
389 } {3 4 4 2 5 1}
391 # Tables with columns having peculiar quoted names used in views
392 # Ticket #756.
393 #
394 do_test view-10.1 {
395 execsql {
396 CREATE TABLE t3("9" integer, [4] text);
397 INSERT INTO t3 VALUES(1,2);
398 CREATE VIEW v_t3_a AS SELECT a.[9] FROM t3 AS a;
399 CREATE VIEW v_t3_b AS SELECT "4" FROM t3;
400 SELECT * FROM v_t3_a;
401 }
402 } {1}
403 do_test view-10.2 {
404 execsql {
405 SELECT * FROM v_t3_b;
406 }
407 } {2}
410 finish_test