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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 |
| 19 # Only run these tests if the build includes support for CHECK constraints |
| 20 ifcapable !check { |
| 21 finish_test |
| 22 return |
| 23 } |
| 24 |
| 25 do_test check-1.1 { |
| 26 execsql { |
| 27 CREATE TABLE t1( |
| 28 x INTEGER CHECK( x<5 ), |
| 29 y REAL CHECK( y>x ) |
| 30 ); |
| 31 } |
| 32 } {} |
| 33 do_test check-1.2 { |
| 34 execsql { |
| 35 INSERT INTO t1 VALUES(3,4); |
| 36 SELECT * FROM t1; |
| 37 } |
| 38 } {3 4.0} |
| 39 do_test check-1.3 { |
| 40 catchsql { |
| 41 INSERT INTO t1 VALUES(6,7); |
| 42 } |
| 43 } {1 {constraint failed}} |
| 44 do_test check-1.4 { |
| 45 execsql { |
| 46 SELECT * FROM t1; |
| 47 } |
| 48 } {3 4.0} |
| 49 do_test check-1.5 { |
| 50 catchsql { |
| 51 INSERT INTO t1 VALUES(4,3); |
| 52 } |
| 53 } {1 {constraint failed}} |
| 54 do_test check-1.6 { |
| 55 execsql { |
| 56 SELECT * FROM t1; |
| 57 } |
| 58 } {3 4.0} |
| 59 do_test check-1.7 { |
| 60 catchsql { |
| 61 INSERT INTO t1 VALUES(NULL,6); |
| 62 } |
| 63 } {0 {}} |
| 64 do_test check-1.8 { |
| 65 execsql { |
| 66 SELECT * FROM t1; |
| 67 } |
| 68 } {3 4.0 {} 6.0} |
| 69 do_test check-1.9 { |
| 70 catchsql { |
| 71 INSERT INTO t1 VALUES(2,NULL); |
| 72 } |
| 73 } {0 {}} |
| 74 do_test check-1.10 { |
| 75 execsql { |
| 76 SELECT * FROM t1; |
| 77 } |
| 78 } {3 4.0 {} 6.0 2 {}} |
| 79 do_test check-1.11 { |
| 80 execsql { |
| 81 DELETE FROM t1 WHERE x IS NULL OR x!=3; |
| 82 UPDATE t1 SET x=2 WHERE x==3; |
| 83 SELECT * FROM t1; |
| 84 } |
| 85 } {2 4.0} |
| 86 do_test check-1.12 { |
| 87 catchsql { |
| 88 UPDATE t1 SET x=7 WHERE x==2 |
| 89 } |
| 90 } {1 {constraint failed}} |
| 91 do_test check-1.13 { |
| 92 execsql { |
| 93 SELECT * FROM t1; |
| 94 } |
| 95 } {2 4.0} |
| 96 do_test check-1.14 { |
| 97 catchsql { |
| 98 UPDATE t1 SET x=5 WHERE x==2 |
| 99 } |
| 100 } {1 {constraint failed}} |
| 101 do_test check-1.15 { |
| 102 execsql { |
| 103 SELECT * FROM t1; |
| 104 } |
| 105 } {2 4.0} |
| 106 do_test check-1.16 { |
| 107 catchsql { |
| 108 UPDATE t1 SET x=4, y=11 WHERE x==2 |
| 109 } |
| 110 } {0 {}} |
| 111 do_test check-1.17 { |
| 112 execsql { |
| 113 SELECT * FROM t1; |
| 114 } |
| 115 } {4 11.0} |
| 116 |
| 117 do_test check-2.1 { |
| 118 execsql { |
| 119 CREATE TABLE t2( |
| 120 x INTEGER CHECK( typeof(coalesce(x,0))=="integer" ), |
| 121 y REAL CHECK( typeof(coalesce(y,0.1))=='real' ), |
| 122 z TEXT CHECK( typeof(coalesce(z,''))=='text' ) |
| 123 ); |
| 124 } |
| 125 } {} |
| 126 do_test check-2.2 { |
| 127 execsql { |
| 128 INSERT INTO t2 VALUES(1,2.2,'three'); |
| 129 SELECT * FROM t2; |
| 130 } |
| 131 } {1 2.2 three} |
| 132 db close |
| 133 sqlite3 db test.db |
| 134 do_test check-2.3 { |
| 135 execsql { |
| 136 INSERT INTO t2 VALUES(NULL, NULL, NULL); |
| 137 SELECT * FROM t2; |
| 138 } |
| 139 } {1 2.2 three {} {} {}} |
| 140 do_test check-2.4 { |
| 141 catchsql { |
| 142 INSERT INTO t2 VALUES(1.1, NULL, NULL); |
| 143 } |
| 144 } {1 {constraint failed}} |
| 145 do_test check-2.5 { |
| 146 catchsql { |
| 147 INSERT INTO t2 VALUES(NULL, 5, NULL); |
| 148 } |
| 149 } {1 {constraint failed}} |
| 150 do_test check-2.6 { |
| 151 catchsql { |
| 152 INSERT INTO t2 VALUES(NULL, NULL, 3.14159); |
| 153 } |
| 154 } {1 {constraint failed}} |
| 155 |
| 156 ifcapable subquery { |
| 157 do_test check-3.1 { |
| 158 catchsql { |
| 159 CREATE TABLE t3( |
| 160 x, y, z, |
| 161 CHECK( x<(SELECT min(x) FROM t1) ) |
| 162 ); |
| 163 } |
| 164 } {1 {subqueries prohibited in CHECK constraints}} |
| 165 } |
| 166 |
| 167 do_test check-3.2 { |
| 168 execsql { |
| 169 SELECT name FROM sqlite_master ORDER BY name |
| 170 } |
| 171 } {t1 t2} |
| 172 do_test check-3.3 { |
| 173 catchsql { |
| 174 CREATE TABLE t3( |
| 175 x, y, z, |
| 176 CHECK( q<x ) |
| 177 ); |
| 178 } |
| 179 } {1 {no such column: q}} |
| 180 do_test check-3.4 { |
| 181 execsql { |
| 182 SELECT name FROM sqlite_master ORDER BY name |
| 183 } |
| 184 } {t1 t2} |
| 185 do_test check-3.5 { |
| 186 catchsql { |
| 187 CREATE TABLE t3( |
| 188 x, y, z, |
| 189 CHECK( t2.x<x ) |
| 190 ); |
| 191 } |
| 192 } {1 {no such column: t2.x}} |
| 193 do_test check-3.6 { |
| 194 execsql { |
| 195 SELECT name FROM sqlite_master ORDER BY name |
| 196 } |
| 197 } {t1 t2} |
| 198 do_test check-3.7 { |
| 199 catchsql { |
| 200 CREATE TABLE t3( |
| 201 x, y, z, |
| 202 CHECK( t3.x<25 ) |
| 203 ); |
| 204 } |
| 205 } {0 {}} |
| 206 do_test check-3.8 { |
| 207 execsql { |
| 208 INSERT INTO t3 VALUES(1,2,3); |
| 209 SELECT * FROM t3; |
| 210 } |
| 211 } {1 2 3} |
| 212 do_test check-3.9 { |
| 213 catchsql { |
| 214 INSERT INTO t3 VALUES(111,222,333); |
| 215 } |
| 216 } {1 {constraint failed}} |
| 217 |
| 218 do_test check-4.1 { |
| 219 execsql { |
| 220 CREATE TABLE t4(x, y, |
| 221 CHECK ( |
| 222 x+y==11 |
| 223 OR x*y==12 |
| 224 OR x/y BETWEEN 5 AND 8 |
| 225 OR -x==y+10 |
| 226 ) |
| 227 ); |
| 228 } |
| 229 } {} |
| 230 do_test check-4.2 { |
| 231 execsql { |
| 232 INSERT INTO t4 VALUES(1,10); |
| 233 SELECT * FROM t4 |
| 234 } |
| 235 } {1 10} |
| 236 do_test check-4.3 { |
| 237 execsql { |
| 238 UPDATE t4 SET x=4, y=3; |
| 239 SELECT * FROM t4 |
| 240 } |
| 241 } {4 3} |
| 242 do_test check-4.4 { |
| 243 execsql { |
| 244 UPDATE t4 SET x=12, y=2; |
| 245 SELECT * FROM t4 |
| 246 } |
| 247 } {12 2} |
| 248 do_test check-4.5 { |
| 249 execsql { |
| 250 UPDATE t4 SET x=12, y=-22; |
| 251 SELECT * FROM t4 |
| 252 } |
| 253 } {12 -22} |
| 254 do_test check-4.6 { |
| 255 catchsql { |
| 256 UPDATE t4 SET x=0, y=1; |
| 257 } |
| 258 } {1 {constraint failed}} |
| 259 do_test check-4.7 { |
| 260 execsql { |
| 261 SELECT * FROM t4; |
| 262 } |
| 263 } {12 -22} |
| 264 do_test check-4.8 { |
| 265 execsql { |
| 266 PRAGMA ignore_check_constraints=ON; |
| 267 UPDATE t4 SET x=0, y=1; |
| 268 SELECT * FROM t4; |
| 269 } |
| 270 } {0 1} |
| 271 do_test check-4.9 { |
| 272 catchsql { |
| 273 PRAGMA ignore_check_constraints=OFF; |
| 274 UPDATE t4 SET x=0, y=2; |
| 275 } |
| 276 } {1 {constraint failed}} |
| 277 ifcapable vacuum { |
| 278 do_test check_4.10 { |
| 279 catchsql { |
| 280 VACUUM |
| 281 } |
| 282 } {0 {}} |
| 283 } |
| 284 |
| 285 do_test check-5.1 { |
| 286 catchsql { |
| 287 CREATE TABLE t5(x, y, |
| 288 CHECK( x*y<:abc ) |
| 289 ); |
| 290 } |
| 291 } {1 {parameters prohibited in CHECK constraints}} |
| 292 do_test check-5.2 { |
| 293 catchsql { |
| 294 CREATE TABLE t5(x, y, |
| 295 CHECK( x*y<? ) |
| 296 ); |
| 297 } |
| 298 } {1 {parameters prohibited in CHECK constraints}} |
| 299 |
| 300 ifcapable conflict { |
| 301 |
| 302 do_test check-6.1 { |
| 303 execsql {SELECT * FROM t1} |
| 304 } {4 11.0} |
| 305 do_test check-6.2 { |
| 306 execsql { |
| 307 UPDATE OR IGNORE t1 SET x=5; |
| 308 SELECT * FROM t1; |
| 309 } |
| 310 } {4 11.0} |
| 311 do_test check-6.3 { |
| 312 execsql { |
| 313 INSERT OR IGNORE INTO t1 VALUES(5,4.0); |
| 314 SELECT * FROM t1; |
| 315 } |
| 316 } {4 11.0} |
| 317 do_test check-6.4 { |
| 318 execsql { |
| 319 INSERT OR IGNORE INTO t1 VALUES(2,20.0); |
| 320 SELECT * FROM t1; |
| 321 } |
| 322 } {4 11.0 2 20.0} |
| 323 do_test check-6.5 { |
| 324 catchsql { |
| 325 UPDATE OR FAIL t1 SET x=7-x, y=y+1; |
| 326 } |
| 327 } {1 {constraint failed}} |
| 328 do_test check-6.6 { |
| 329 execsql { |
| 330 SELECT * FROM t1; |
| 331 } |
| 332 } {3 12.0 2 20.0} |
| 333 do_test check-6.7 { |
| 334 catchsql { |
| 335 BEGIN; |
| 336 INSERT INTO t1 VALUES(1,30.0); |
| 337 INSERT OR ROLLBACK INTO t1 VALUES(8,40.0); |
| 338 } |
| 339 } {1 {constraint failed}} |
| 340 do_test check-6.8 { |
| 341 catchsql { |
| 342 COMMIT; |
| 343 } |
| 344 } {1 {cannot commit - no transaction is active}} |
| 345 do_test check-6.9 { |
| 346 execsql { |
| 347 SELECT * FROM t1 |
| 348 } |
| 349 } {3 12.0 2 20.0} |
| 350 |
| 351 do_test check-6.11 { |
| 352 execsql {SELECT * FROM t1} |
| 353 } {3 12.0 2 20.0} |
| 354 do_test check-6.12 { |
| 355 catchsql { |
| 356 REPLACE INTO t1 VALUES(6,7); |
| 357 } |
| 358 } {1 {constraint failed}} |
| 359 do_test check-6.13 { |
| 360 execsql {SELECT * FROM t1} |
| 361 } {3 12.0 2 20.0} |
| 362 do_test check-6.14 { |
| 363 catchsql { |
| 364 INSERT OR IGNORE INTO t1 VALUES(6,7); |
| 365 } |
| 366 } {0 {}} |
| 367 do_test check-6.15 { |
| 368 execsql {SELECT * FROM t1} |
| 369 } {3 12.0 2 20.0} |
| 370 |
| 371 |
| 372 } |
| 373 |
| 374 finish_test |
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