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1 # 2005 November 2 | |
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 CHECK constraints | |
13 # | |
14 # $Id: check.test,v 1.13 2009/06/05 17:09:12 drh Exp $ | |
15 | |
16 set testdir [file dirname $argv0] | |
17 source $testdir/tester.tcl | |
18 set ::testprefix check | |
19 | |
20 # Only run these tests if the build includes support for CHECK constraints | |
21 ifcapable !check { | |
22 finish_test | |
23 return | |
24 } | |
25 | |
26 do_test check-1.1 { | |
27 execsql { | |
28 CREATE TABLE t1( | |
29 x INTEGER CHECK( x<5 ), | |
30 y REAL CHECK( y>x ) | |
31 ); | |
32 } | |
33 } {} | |
34 do_test check-1.2 { | |
35 execsql { | |
36 INSERT INTO t1 VALUES(3,4); | |
37 SELECT * FROM t1; | |
38 } | |
39 } {3 4.0} | |
40 do_test check-1.3 { | |
41 catchsql { | |
42 INSERT INTO t1 VALUES(6,7); | |
43 } | |
44 } {1 {CHECK constraint failed: t1}} | |
45 do_test check-1.4 { | |
46 execsql { | |
47 SELECT * FROM t1; | |
48 } | |
49 } {3 4.0} | |
50 do_test check-1.5 { | |
51 catchsql { | |
52 INSERT INTO t1 VALUES(4,3); | |
53 } | |
54 } {1 {CHECK constraint failed: t1}} | |
55 do_test check-1.6 { | |
56 execsql { | |
57 SELECT * FROM t1; | |
58 } | |
59 } {3 4.0} | |
60 do_test check-1.7 { | |
61 catchsql { | |
62 INSERT INTO t1 VALUES(NULL,6); | |
63 } | |
64 } {0 {}} | |
65 do_test check-1.8 { | |
66 execsql { | |
67 SELECT * FROM t1; | |
68 } | |
69 } {3 4.0 {} 6.0} | |
70 do_test check-1.9 { | |
71 catchsql { | |
72 INSERT INTO t1 VALUES(2,NULL); | |
73 } | |
74 } {0 {}} | |
75 do_test check-1.10 { | |
76 execsql { | |
77 SELECT * FROM t1; | |
78 } | |
79 } {3 4.0 {} 6.0 2 {}} | |
80 do_test check-1.11 { | |
81 execsql { | |
82 DELETE FROM t1 WHERE x IS NULL OR x!=3; | |
83 UPDATE t1 SET x=2 WHERE x==3; | |
84 SELECT * FROM t1; | |
85 } | |
86 } {2 4.0} | |
87 do_test check-1.12 { | |
88 catchsql { | |
89 UPDATE t1 SET x=7 WHERE x==2 | |
90 } | |
91 } {1 {CHECK constraint failed: t1}} | |
92 do_test check-1.13 { | |
93 execsql { | |
94 SELECT * FROM t1; | |
95 } | |
96 } {2 4.0} | |
97 do_test check-1.14 { | |
98 catchsql { | |
99 UPDATE t1 SET x=5 WHERE x==2 | |
100 } | |
101 } {1 {CHECK constraint failed: t1}} | |
102 do_test check-1.15 { | |
103 execsql { | |
104 SELECT * FROM t1; | |
105 } | |
106 } {2 4.0} | |
107 do_test check-1.16 { | |
108 catchsql { | |
109 UPDATE t1 SET x=4, y=11 WHERE x==2 | |
110 } | |
111 } {0 {}} | |
112 do_test check-1.17 { | |
113 execsql { | |
114 SELECT * FROM t1; | |
115 } | |
116 } {4 11.0} | |
117 | |
118 do_test check-2.1 { | |
119 execsql { | |
120 CREATE TABLE t2( | |
121 x INTEGER CONSTRAINT one CHECK( typeof(coalesce(x,0))=="integer" ), | |
122 y REAL CONSTRAINT two CHECK( typeof(coalesce(y,0.1))=='real' ), | |
123 z TEXT CONSTRAINT three CHECK( typeof(coalesce(z,''))=='text' ) | |
124 ); | |
125 } | |
126 } {} | |
127 do_test check-2.2 { | |
128 execsql { | |
129 INSERT INTO t2 VALUES(1,2.2,'three'); | |
130 SELECT * FROM t2; | |
131 } | |
132 } {1 2.2 three} | |
133 db close | |
134 sqlite3 db test.db | |
135 do_test check-2.3 { | |
136 execsql { | |
137 INSERT INTO t2 VALUES(NULL, NULL, NULL); | |
138 SELECT * FROM t2; | |
139 } | |
140 } {1 2.2 three {} {} {}} | |
141 do_test check-2.4 { | |
142 catchsql { | |
143 INSERT INTO t2 VALUES(1.1, NULL, NULL); | |
144 } | |
145 } {1 {CHECK constraint failed: one}} | |
146 do_test check-2.5 { | |
147 catchsql { | |
148 INSERT INTO t2 VALUES(NULL, 5, NULL); | |
149 } | |
150 } {1 {CHECK constraint failed: two}} | |
151 do_test check-2.6 { | |
152 catchsql { | |
153 INSERT INTO t2 VALUES(NULL, NULL, 3.14159); | |
154 } | |
155 } {1 {CHECK constraint failed: three}} | |
156 | |
157 # Undocumented behavior: The CONSTRAINT name clause can follow a constraint. | |
158 # Such a clause is ignored. But the parser must accept it for backwards | |
159 # compatibility. | |
160 # | |
161 do_test check-2.10 { | |
162 execsql { | |
163 CREATE TABLE t2b( | |
164 x INTEGER CHECK( typeof(coalesce(x,0))=='integer' ) CONSTRAINT one, | |
165 y TEXT PRIMARY KEY constraint two, | |
166 z INTEGER, | |
167 UNIQUE(x,z) constraint three | |
168 ); | |
169 } | |
170 } {} | |
171 do_test check-2.11 { | |
172 catchsql { | |
173 INSERT INTO t2b VALUES('xyzzy','hi',5); | |
174 } | |
175 } {1 {CHECK constraint failed: t2b}} | |
176 do_test check-2.12 { | |
177 execsql { | |
178 CREATE TABLE t2c( | |
179 x INTEGER CONSTRAINT x_one CONSTRAINT x_two | |
180 CHECK( typeof(coalesce(x,0))=='integer' ) | |
181 CONSTRAINT x_two CONSTRAINT x_three, | |
182 y INTEGER, z INTEGER, | |
183 CONSTRAINT u_one UNIQUE(x,y,z) CONSTRAINT u_two | |
184 ); | |
185 } | |
186 } {} | |
187 do_test check-2.13 { | |
188 catchsql { | |
189 INSERT INTO t2c VALUES('xyzzy',7,8); | |
190 } | |
191 } {1 {CHECK constraint failed: x_two}} | |
192 do_test check-2.cleanup { | |
193 execsql { | |
194 DROP TABLE IF EXISTS t2b; | |
195 DROP TABLE IF EXISTS t2c; | |
196 } | |
197 } {} | |
198 | |
199 ifcapable subquery { | |
200 do_test check-3.1 { | |
201 catchsql { | |
202 CREATE TABLE t3( | |
203 x, y, z, | |
204 CHECK( x<(SELECT min(x) FROM t1) ) | |
205 ); | |
206 } | |
207 } {1 {subqueries prohibited in CHECK constraints}} | |
208 } | |
209 | |
210 do_test check-3.2 { | |
211 execsql { | |
212 SELECT name FROM sqlite_master ORDER BY name | |
213 } | |
214 } {t1 t2} | |
215 do_test check-3.3 { | |
216 catchsql { | |
217 CREATE TABLE t3( | |
218 x, y, z, | |
219 CHECK( q<x ) | |
220 ); | |
221 } | |
222 } {1 {no such column: q}} | |
223 do_test check-3.4 { | |
224 execsql { | |
225 SELECT name FROM sqlite_master ORDER BY name | |
226 } | |
227 } {t1 t2} | |
228 do_test check-3.5 { | |
229 catchsql { | |
230 CREATE TABLE t3( | |
231 x, y, z, | |
232 CHECK( t2.x<x ) | |
233 ); | |
234 } | |
235 } {1 {no such column: t2.x}} | |
236 do_test check-3.6 { | |
237 execsql { | |
238 SELECT name FROM sqlite_master ORDER BY name | |
239 } | |
240 } {t1 t2} | |
241 do_test check-3.7 { | |
242 catchsql { | |
243 CREATE TABLE t3( | |
244 x, y, z, | |
245 CHECK( t3.x<25 ) | |
246 ); | |
247 } | |
248 } {0 {}} | |
249 do_test check-3.8 { | |
250 execsql { | |
251 INSERT INTO t3 VALUES(1,2,3); | |
252 SELECT * FROM t3; | |
253 } | |
254 } {1 2 3} | |
255 do_test check-3.9 { | |
256 catchsql { | |
257 INSERT INTO t3 VALUES(111,222,333); | |
258 } | |
259 } {1 {CHECK constraint failed: t3}} | |
260 | |
261 do_test check-4.1 { | |
262 execsql { | |
263 CREATE TABLE t4(x, y, | |
264 CHECK ( | |
265 x+y==11 | |
266 OR x*y==12 | |
267 OR x/y BETWEEN 5 AND 8 | |
268 OR -x==y+10 | |
269 ) | |
270 ); | |
271 } | |
272 } {} | |
273 do_test check-4.2 { | |
274 execsql { | |
275 INSERT INTO t4 VALUES(1,10); | |
276 SELECT * FROM t4 | |
277 } | |
278 } {1 10} | |
279 do_test check-4.3 { | |
280 execsql { | |
281 UPDATE t4 SET x=4, y=3; | |
282 SELECT * FROM t4 | |
283 } | |
284 } {4 3} | |
285 do_test check-4.4 { | |
286 execsql { | |
287 UPDATE t4 SET x=12, y=2; | |
288 SELECT * FROM t4 | |
289 } | |
290 } {12 2} | |
291 do_test check-4.5 { | |
292 execsql { | |
293 UPDATE t4 SET x=12, y=-22; | |
294 SELECT * FROM t4 | |
295 } | |
296 } {12 -22} | |
297 do_test check-4.6 { | |
298 catchsql { | |
299 UPDATE t4 SET x=0, y=1; | |
300 } | |
301 } {1 {CHECK constraint failed: t4}} | |
302 do_test check-4.7 { | |
303 execsql { | |
304 SELECT * FROM t4; | |
305 } | |
306 } {12 -22} | |
307 do_test check-4.8 { | |
308 execsql { | |
309 PRAGMA ignore_check_constraints=ON; | |
310 UPDATE t4 SET x=0, y=1; | |
311 SELECT * FROM t4; | |
312 } | |
313 } {0 1} | |
314 do_test check-4.9 { | |
315 catchsql { | |
316 PRAGMA ignore_check_constraints=OFF; | |
317 UPDATE t4 SET x=0, y=2; | |
318 } | |
319 } {1 {CHECK constraint failed: t4}} | |
320 ifcapable vacuum { | |
321 do_test check_4.10 { | |
322 catchsql { | |
323 VACUUM | |
324 } | |
325 } {0 {}} | |
326 } | |
327 | |
328 do_test check-5.1 { | |
329 catchsql { | |
330 CREATE TABLE t5(x, y, | |
331 CHECK( x*y<:abc ) | |
332 ); | |
333 } | |
334 } {1 {parameters prohibited in CHECK constraints}} | |
335 do_test check-5.2 { | |
336 catchsql { | |
337 CREATE TABLE t5(x, y, | |
338 CHECK( x*y<? ) | |
339 ); | |
340 } | |
341 } {1 {parameters prohibited in CHECK constraints}} | |
342 | |
343 ifcapable conflict { | |
344 | |
345 do_test check-6.1 { | |
346 execsql {SELECT * FROM t1} | |
347 } {4 11.0} | |
348 do_test check-6.2 { | |
349 execsql { | |
350 UPDATE OR IGNORE t1 SET x=5; | |
351 SELECT * FROM t1; | |
352 } | |
353 } {4 11.0} | |
354 do_test check-6.3 { | |
355 execsql { | |
356 INSERT OR IGNORE INTO t1 VALUES(5,4.0); | |
357 SELECT * FROM t1; | |
358 } | |
359 } {4 11.0} | |
360 do_test check-6.4 { | |
361 execsql { | |
362 INSERT OR IGNORE INTO t1 VALUES(2,20.0); | |
363 SELECT * FROM t1; | |
364 } | |
365 } {4 11.0 2 20.0} | |
366 do_test check-6.5 { | |
367 catchsql { | |
368 UPDATE OR FAIL t1 SET x=7-x, y=y+1; | |
369 } | |
370 } {1 {CHECK constraint failed: t1}} | |
371 do_test check-6.6 { | |
372 execsql { | |
373 SELECT * FROM t1; | |
374 } | |
375 } {3 12.0 2 20.0} | |
376 do_test check-6.7 { | |
377 catchsql { | |
378 BEGIN; | |
379 INSERT INTO t1 VALUES(1,30.0); | |
380 INSERT OR ROLLBACK INTO t1 VALUES(8,40.0); | |
381 } | |
382 } {1 {CHECK constraint failed: t1}} | |
383 do_test check-6.8 { | |
384 catchsql { | |
385 COMMIT; | |
386 } | |
387 } {1 {cannot commit - no transaction is active}} | |
388 do_test check-6.9 { | |
389 execsql { | |
390 SELECT * FROM t1 | |
391 } | |
392 } {3 12.0 2 20.0} | |
393 | |
394 do_test check-6.11 { | |
395 execsql {SELECT * FROM t1} | |
396 } {3 12.0 2 20.0} | |
397 do_test check-6.12 { | |
398 catchsql { | |
399 REPLACE INTO t1 VALUES(6,7); | |
400 } | |
401 } {1 {CHECK constraint failed: t1}} | |
402 do_test check-6.13 { | |
403 execsql {SELECT * FROM t1} | |
404 } {3 12.0 2 20.0} | |
405 do_test check-6.14 { | |
406 catchsql { | |
407 INSERT OR IGNORE INTO t1 VALUES(6,7); | |
408 } | |
409 } {0 {}} | |
410 do_test check-6.15 { | |
411 execsql {SELECT * FROM t1} | |
412 } {3 12.0 2 20.0} | |
413 | |
414 | |
415 } | |
416 | |
417 #-------------------------------------------------------------------------- | |
418 # If a connection opens a database that contains a CHECK constraint that | |
419 # uses an unknown UDF, the schema should not be considered malformed. | |
420 # Attempting to modify the table should fail (since the CHECK constraint | |
421 # cannot be tested). | |
422 # | |
423 reset_db | |
424 proc myfunc {x} {expr $x < 10} | |
425 db func myfunc myfunc | |
426 | |
427 do_execsql_test 7.1 { CREATE TABLE t6(a CHECK (myfunc(a))) } | |
428 do_execsql_test 7.2 { INSERT INTO t6 VALUES(9) } | |
429 do_catchsql_test 7.3 { INSERT INTO t6 VALUES(11) } \ | |
430 {1 {CHECK constraint failed: t6}} | |
431 | |
432 do_test 7.4 { | |
433 sqlite3 db2 test.db | |
434 execsql { SELECT * FROM t6 } db2 | |
435 } {9} | |
436 | |
437 do_test 7.5 { | |
438 catchsql { INSERT INTO t6 VALUES(8) } db2 | |
439 } {1 {unknown function: myfunc()}} | |
440 | |
441 do_test 7.6 { | |
442 catchsql { CREATE TABLE t7(a CHECK (myfunc(a))) } db2 | |
443 } {1 {no such function: myfunc}} | |
444 | |
445 do_test 7.7 { | |
446 db2 func myfunc myfunc | |
447 execsql { INSERT INTO t6 VALUES(8) } db2 | |
448 } {} | |
449 | |
450 do_test 7.8 { | |
451 db2 func myfunc myfunc | |
452 catchsql { INSERT INTO t6 VALUES(12) } db2 | |
453 } {1 {CHECK constraint failed: t6}} | |
454 | |
455 # 2013-08-02: Silently ignore database name qualifiers in CHECK constraints. | |
456 # | |
457 do_execsql_test 8.1 { | |
458 CREATE TABLE t810(a, CHECK( main.t810.a>0 )); | |
459 CREATE TABLE t811(b, CHECK( xyzzy.t811.b BETWEEN 5 AND 10 )); | |
460 } {} | |
461 | |
462 finish_test | |
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