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| 1 # 2009 August 24 | |
| 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 # | |
| 12 | |
| 13 set testdir [file dirname $argv0] | |
| 14 source $testdir/tester.tcl | |
| 15 ifcapable {!trigger} { | |
| 16 finish_test | |
| 17 return | |
| 18 } | |
| 19 | |
| 20 #------------------------------------------------------------------------- | |
| 21 # Test organization: | |
| 22 # | |
| 23 # triggerC-1.*: Haphazardly designed trigger related tests that were useful | |
| 24 # during an upgrade of the triggers sub-system. | |
| 25 # | |
| 26 # triggerC-2.*: | |
| 27 # | |
| 28 # triggerC-3.*: | |
| 29 # | |
| 30 # triggerC-4.*: | |
| 31 # | |
| 32 # triggerC-5.*: Test that when recursive triggers are enabled DELETE | |
| 33 # triggers are fired when rows are deleted as part of OR | |
| 34 # REPLACE conflict resolution. And that they are not fired | |
| 35 # if recursive triggers are not enabled. | |
| 36 # | |
| 37 # triggerC-6.*: Test that the recursive_triggers pragma returns correct | |
| 38 # results when invoked without an argument. | |
| 39 # | |
| 40 | |
| 41 # Enable recursive triggers for this file. | |
| 42 # | |
| 43 execsql { PRAGMA recursive_triggers = on } | |
| 44 | |
| 45 #sqlite3_db_config_lookaside db 0 0 0 | |
| 46 | |
| 47 #------------------------------------------------------------------------- | |
| 48 # This block of tests, triggerC-1.*, are not aimed at any specific | |
| 49 # property of the triggers sub-system. They were created to debug | |
| 50 # specific problems while modifying SQLite to support recursive | |
| 51 # triggers. They are left here in case they can help debug the | |
| 52 # same problems again. | |
| 53 # | |
| 54 do_test triggerC-1.1 { | |
| 55 execsql { | |
| 56 CREATE TABLE t1(a, b, c); | |
| 57 CREATE TABLE log(t, a1, b1, c1, a2, b2, c2); | |
| 58 CREATE TRIGGER trig1 BEFORE INSERT ON t1 BEGIN | |
| 59 INSERT INTO log VALUES('before', NULL, NULL, NULL, new.a, new.b, new.c); | |
| 60 END; | |
| 61 CREATE TRIGGER trig2 AFTER INSERT ON t1 BEGIN | |
| 62 INSERT INTO log VALUES('after', NULL, NULL, NULL, new.a, new.b, new.c); | |
| 63 END; | |
| 64 CREATE TRIGGER trig3 BEFORE UPDATE ON t1 BEGIN | |
| 65 INSERT INTO log VALUES('before', old.a,old.b,old.c, new.a,new.b,new.c); | |
| 66 END; | |
| 67 CREATE TRIGGER trig4 AFTER UPDATE ON t1 BEGIN | |
| 68 INSERT INTO log VALUES('after', old.a,old.b,old.c, new.a,new.b,new.c); | |
| 69 END; | |
| 70 | |
| 71 CREATE TRIGGER trig5 BEFORE DELETE ON t1 BEGIN | |
| 72 INSERT INTO log VALUES('before', old.a,old.b,old.c, NULL,NULL,NULL); | |
| 73 END; | |
| 74 CREATE TRIGGER trig6 AFTER DELETE ON t1 BEGIN | |
| 75 INSERT INTO log VALUES('after', old.a,old.b,old.c, NULL,NULL,NULL); | |
| 76 END; | |
| 77 } | |
| 78 } {} | |
| 79 do_test triggerC-1.2 { | |
| 80 execsql { | |
| 81 INSERT INTO t1 VALUES('A', 'B', 'C'); | |
| 82 SELECT * FROM log; | |
| 83 } | |
| 84 } {before {} {} {} A B C after {} {} {} A B C} | |
| 85 do_test triggerC-1.3 { | |
| 86 execsql { SELECT * FROM t1 } | |
| 87 } {A B C} | |
| 88 do_test triggerC-1.4 { | |
| 89 execsql { | |
| 90 DELETE FROM log; | |
| 91 UPDATE t1 SET a = 'a'; | |
| 92 SELECT * FROM log; | |
| 93 } | |
| 94 } {before A B C a B C after A B C a B C} | |
| 95 do_test triggerC-1.5 { | |
| 96 execsql { SELECT * FROM t1 } | |
| 97 } {a B C} | |
| 98 do_test triggerC-1.6 { | |
| 99 execsql { | |
| 100 DELETE FROM log; | |
| 101 DELETE FROM t1; | |
| 102 SELECT * FROM log; | |
| 103 } | |
| 104 } {before a B C {} {} {} after a B C {} {} {}} | |
| 105 do_test triggerC-1.7 { | |
| 106 execsql { SELECT * FROM t1 } | |
| 107 } {} | |
| 108 do_test triggerC-1.8 { | |
| 109 execsql { | |
| 110 CREATE TABLE t4(a, b); | |
| 111 CREATE TRIGGER t4t AFTER DELETE ON t4 BEGIN | |
| 112 SELECT RAISE(ABORT, 'delete is not supported'); | |
| 113 END; | |
| 114 } | |
| 115 } {} | |
| 116 do_test triggerC-1.9 { | |
| 117 execsql { INSERT INTO t4 VALUES(1, 2) } | |
| 118 catchsql { DELETE FROM t4 } | |
| 119 } {1 {delete is not supported}} | |
| 120 do_test triggerC-1.10 { | |
| 121 execsql { SELECT * FROM t4 } | |
| 122 } {1 2} | |
| 123 do_test triggerC-1.11 { | |
| 124 execsql { | |
| 125 CREATE TABLE t5 (a primary key, b, c); | |
| 126 INSERT INTO t5 values (1, 2, 3); | |
| 127 CREATE TRIGGER au_tbl AFTER UPDATE ON t5 BEGIN | |
| 128 UPDATE OR IGNORE t5 SET a = new.a, c = 10; | |
| 129 END; | |
| 130 } | |
| 131 } {} | |
| 132 do_test triggerC-1.12 { | |
| 133 catchsql { UPDATE OR REPLACE t5 SET a = 4 WHERE a = 1 } | |
| 134 } {1 {too many levels of trigger recursion}} | |
| 135 do_test triggerC-1.13 { | |
| 136 execsql { | |
| 137 CREATE TABLE t6(a INTEGER PRIMARY KEY, b); | |
| 138 INSERT INTO t6 VALUES(1, 2); | |
| 139 create trigger r1 after update on t6 for each row begin | |
| 140 SELECT 1; | |
| 141 end; | |
| 142 UPDATE t6 SET a=a; | |
| 143 } | |
| 144 } {} | |
| 145 do_test triggerC-1.14 { | |
| 146 execsql { | |
| 147 DROP TABLE t1; | |
| 148 CREATE TABLE cnt(n); | |
| 149 INSERT INTO cnt VALUES(0); | |
| 150 CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c, d, e); | |
| 151 CREATE INDEX t1cd ON t1(c,d); | |
| 152 CREATE TRIGGER t1r1 AFTER UPDATE ON t1 BEGIN UPDATE cnt SET n=n+1; END; | |
| 153 INSERT INTO t1 VALUES(1,2,3,4,5); | |
| 154 INSERT INTO t1 VALUES(6,7,8,9,10); | |
| 155 INSERT INTO t1 VALUES(11,12,13,14,15); | |
| 156 } | |
| 157 } {} | |
| 158 do_test triggerC-1.15 { | |
| 159 catchsql { UPDATE OR ROLLBACK t1 SET a=100 } | |
| 160 } {1 {UNIQUE constraint failed: t1.a}} | |
| 161 | |
| 162 | |
| 163 #------------------------------------------------------------------------- | |
| 164 # This block of tests, triggerC-2.*, tests that recursive trigger | |
| 165 # programs (triggers that fire themselves) work. More specifically, | |
| 166 # this block focuses on recursive INSERT triggers. | |
| 167 # | |
| 168 do_test triggerC-2.1.0 { | |
| 169 execsql { | |
| 170 CREATE TABLE t2(a PRIMARY KEY); | |
| 171 } | |
| 172 } {} | |
| 173 | |
| 174 foreach {n tdefn rc} { | |
| 175 1 { | |
| 176 CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN | |
| 177 INSERT INTO t2 VALUES(new.a - 1); | |
| 178 END; | |
| 179 } {0 {10 9 8 7 6 5 4 3 2 1 0}} | |
| 180 | |
| 181 2 { | |
| 182 CREATE TRIGGER t2_trig AFTER INSERT ON t2 BEGIN | |
| 183 SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END; | |
| 184 INSERT INTO t2 VALUES(new.a - 1); | |
| 185 END; | |
| 186 } {0 {10 9 8 7 6 5 4 3 2}} | |
| 187 | |
| 188 3 { | |
| 189 CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN | |
| 190 INSERT INTO t2 VALUES(new.a - 1); | |
| 191 END; | |
| 192 } {0 {0 1 2 3 4 5 6 7 8 9 10}} | |
| 193 | |
| 194 4 { | |
| 195 CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN | |
| 196 SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END; | |
| 197 INSERT INTO t2 VALUES(new.a - 1); | |
| 198 END; | |
| 199 } {0 {3 4 5 6 7 8 9 10}} | |
| 200 | |
| 201 5 { | |
| 202 CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN | |
| 203 INSERT INTO t2 VALUES(new.a - 1); | |
| 204 END; | |
| 205 } {1 {too many levels of trigger recursion}} | |
| 206 | |
| 207 6 { | |
| 208 CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN | |
| 209 INSERT OR IGNORE INTO t2 VALUES(new.a); | |
| 210 END; | |
| 211 } {0 10} | |
| 212 | |
| 213 7 { | |
| 214 CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN | |
| 215 INSERT OR IGNORE INTO t2 VALUES(new.a); | |
| 216 END; | |
| 217 } {1 {too many levels of trigger recursion}} | |
| 218 } { | |
| 219 do_test triggerC-2.1.$n { | |
| 220 catchsql { DROP TRIGGER t2_trig } | |
| 221 execsql { DELETE FROM t2 } | |
| 222 execsql $tdefn | |
| 223 catchsql { | |
| 224 INSERT INTO t2 VALUES(10); | |
| 225 SELECT * FROM t2 ORDER BY rowid; | |
| 226 } | |
| 227 } $rc | |
| 228 } | |
| 229 | |
| 230 do_test triggerC-2.2 { | |
| 231 execsql " | |
| 232 CREATE TABLE t22(x); | |
| 233 | |
| 234 CREATE TRIGGER t22a AFTER INSERT ON t22 BEGIN | |
| 235 INSERT INTO t22 SELECT x + (SELECT max(x) FROM t22) FROM t22; | |
| 236 END; | |
| 237 CREATE TRIGGER t22b BEFORE INSERT ON t22 BEGIN | |
| 238 SELECT CASE WHEN (SELECT count(*) FROM t22) >= [expr $SQLITE_MAX_TRIGGER_D
EPTH / 2] | |
| 239 THEN RAISE(IGNORE) | |
| 240 ELSE NULL END; | |
| 241 END; | |
| 242 | |
| 243 INSERT INTO t22 VALUES(1); | |
| 244 SELECT count(*) FROM t22; | |
| 245 " | |
| 246 } [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]] | |
| 247 | |
| 248 do_test triggerC-2.3 { | |
| 249 execsql " | |
| 250 CREATE TABLE t23(x PRIMARY KEY); | |
| 251 | |
| 252 CREATE TRIGGER t23a AFTER INSERT ON t23 BEGIN | |
| 253 INSERT INTO t23 VALUES(new.x + 1); | |
| 254 END; | |
| 255 | |
| 256 CREATE TRIGGER t23b BEFORE INSERT ON t23 BEGIN | |
| 257 SELECT CASE WHEN new.x>[expr $SQLITE_MAX_TRIGGER_DEPTH / 2] | |
| 258 THEN RAISE(IGNORE) | |
| 259 ELSE NULL END; | |
| 260 END; | |
| 261 | |
| 262 INSERT INTO t23 VALUES(1); | |
| 263 SELECT count(*) FROM t23; | |
| 264 " | |
| 265 } [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]] | |
| 266 | |
| 267 | |
| 268 #----------------------------------------------------------------------- | |
| 269 # This block of tests, triggerC-3.*, test that SQLite throws an exception | |
| 270 # when it detects excessive recursion. | |
| 271 # | |
| 272 do_test triggerC-3.1.1 { | |
| 273 execsql { | |
| 274 CREATE TABLE t3(a, b); | |
| 275 CREATE TRIGGER t3i AFTER INSERT ON t3 BEGIN | |
| 276 DELETE FROM t3 WHERE rowid = new.rowid; | |
| 277 END; | |
| 278 CREATE TRIGGER t3d AFTER DELETE ON t3 BEGIN | |
| 279 INSERT INTO t3 VALUES(old.a, old.b); | |
| 280 END; | |
| 281 } | |
| 282 } {} | |
| 283 do_test triggerC-3.1.2 { | |
| 284 catchsql { INSERT INTO t3 VALUES(0,0) } | |
| 285 } {1 {too many levels of trigger recursion}} | |
| 286 do_test triggerC-3.1.3 { | |
| 287 execsql { SELECT * FROM t3 } | |
| 288 } {} | |
| 289 | |
| 290 do_test triggerC-3.2.1 { | |
| 291 execsql " | |
| 292 CREATE TABLE t3b(x); | |
| 293 CREATE TRIGGER t3bi AFTER INSERT ON t3b WHEN new.x<[expr $SQLITE_MAX_TRIGGER
_DEPTH * 2] BEGIN | |
| 294 INSERT INTO t3b VALUES(new.x+1); | |
| 295 END; | |
| 296 " | |
| 297 catchsql { | |
| 298 INSERT INTO t3b VALUES(1); | |
| 299 } | |
| 300 } {1 {too many levels of trigger recursion}} | |
| 301 do_test triggerC-3.2.2 { | |
| 302 db eval {SELECT * FROM t3b} | |
| 303 } {} | |
| 304 | |
| 305 do_test triggerC-3.3.1 { | |
| 306 catchsql " | |
| 307 INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH + 1]); | |
| 308 " | |
| 309 } {0 {}} | |
| 310 do_test triggerC-3.3.2 { | |
| 311 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 312 } [list $SQLITE_MAX_TRIGGER_DEPTH [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQ
LITE_MAX_TRIGGER_DEPTH + 1]] | |
| 313 | |
| 314 do_test triggerC-3.4.1 { | |
| 315 catchsql " | |
| 316 DELETE FROM t3b; | |
| 317 INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH - 1]); | |
| 318 " | |
| 319 } {1 {too many levels of trigger recursion}} | |
| 320 do_test triggerC-3.4.2 { | |
| 321 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 322 } {0 {} {}} | |
| 323 | |
| 324 do_test triggerC-3.5.1 { | |
| 325 sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH [expr $SQLITE_MAX_TRIGGER_DEPTH /
10] | |
| 326 catchsql " | |
| 327 INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_
TRIGGER_DEPTH / 10) + 1]); | |
| 328 " | |
| 329 } {0 {}} | |
| 330 do_test triggerC-3.5.2 { | |
| 331 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 332 } [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 10] [expr $SQLITE_MAX_TRIGGER_DEPTH *
2] [expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10) + 1]
] | |
| 333 | |
| 334 do_test triggerC-3.5.3 { | |
| 335 catchsql " | |
| 336 DELETE FROM t3b; | |
| 337 INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_
TRIGGER_DEPTH / 10)]); | |
| 338 " | |
| 339 } {1 {too many levels of trigger recursion}} | |
| 340 do_test triggerC-3.5.4 { | |
| 341 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 342 } {0 {} {}} | |
| 343 | |
| 344 do_test triggerC-3.6.1 { | |
| 345 sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1 | |
| 346 catchsql " | |
| 347 INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH * 2]); | |
| 348 " | |
| 349 } {0 {}} | |
| 350 do_test triggerC-3.6.2 { | |
| 351 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 352 } [list 1 [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQLITE_MAX_TRIGGER_DEPTH *
2]] | |
| 353 | |
| 354 do_test triggerC-3.6.3 { | |
| 355 catchsql " | |
| 356 DELETE FROM t3b; | |
| 357 INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - 1]); | |
| 358 " | |
| 359 } {1 {too many levels of trigger recursion}} | |
| 360 do_test triggerC-3.6.4 { | |
| 361 db eval {SELECT count(*), max(x), min(x) FROM t3b} | |
| 362 } {0 {} {}} | |
| 363 sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH $SQLITE_MAX_TRIGGER_DEPTH | |
| 364 | |
| 365 | |
| 366 #----------------------------------------------------------------------- | |
| 367 # This next block of tests, triggerC-4.*, checks that affinity | |
| 368 # transformations and constraint processing is performed at the correct | |
| 369 # times relative to BEFORE and AFTER triggers. | |
| 370 # | |
| 371 # For an INSERT statement, for each row to be inserted: | |
| 372 # | |
| 373 # 1. Apply affinities to non-rowid values to be inserted. | |
| 374 # 2. Fire BEFORE triggers. | |
| 375 # 3. Process constraints. | |
| 376 # 4. Insert new record. | |
| 377 # 5. Fire AFTER triggers. | |
| 378 # | |
| 379 # If the value of the rowid field is to be automatically assigned, it is | |
| 380 # set to -1 in the new.* record. Even if it is explicitly set to NULL | |
| 381 # by the INSERT statement. | |
| 382 # | |
| 383 # For an UPDATE statement, for each row to be deleted: | |
| 384 # | |
| 385 # 1. Apply affinities to non-rowid values to be inserted. | |
| 386 # 2. Fire BEFORE triggers. | |
| 387 # 3. Process constraints. | |
| 388 # 4. Insert new record. | |
| 389 # 5. Fire AFTER triggers. | |
| 390 # | |
| 391 # For a DELETE statement, for each row to be deleted: | |
| 392 # | |
| 393 # 1. Fire BEFORE triggers. | |
| 394 # 2. Remove database record. | |
| 395 # 3. Fire AFTER triggers. | |
| 396 # | |
| 397 # When a numeric value that as an exact integer representation is stored | |
| 398 # in a column with REAL affinity, it is actually stored as an integer. | |
| 399 # These tests check that the typeof() such values is always 'real', | |
| 400 # not 'integer'. | |
| 401 # | |
| 402 # triggerC-4.1.*: Check that affinity transformations are made before | |
| 403 # triggers are invoked. | |
| 404 # | |
| 405 do_test triggerC-4.1.1 { | |
| 406 catchsql { DROP TABLE log } | |
| 407 catchsql { DROP TABLE t4 } | |
| 408 execsql { | |
| 409 CREATE TABLE log(t); | |
| 410 CREATE TABLE t4(a TEXT,b INTEGER,c REAL); | |
| 411 CREATE TRIGGER t4bi BEFORE INSERT ON t4 BEGIN | |
| 412 INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || | |
| 413 new.a || ' ' || typeof(new.a) || ' ' || | |
| 414 new.b || ' ' || typeof(new.b) || ' ' || | |
| 415 new.c || ' ' || typeof(new.c) | |
| 416 ); | |
| 417 END; | |
| 418 CREATE TRIGGER t4ai AFTER INSERT ON t4 BEGIN | |
| 419 INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || | |
| 420 new.a || ' ' || typeof(new.a) || ' ' || | |
| 421 new.b || ' ' || typeof(new.b) || ' ' || | |
| 422 new.c || ' ' || typeof(new.c) | |
| 423 ); | |
| 424 END; | |
| 425 CREATE TRIGGER t4bd BEFORE DELETE ON t4 BEGIN | |
| 426 INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || | |
| 427 old.a || ' ' || typeof(old.a) || ' ' || | |
| 428 old.b || ' ' || typeof(old.b) || ' ' || | |
| 429 old.c || ' ' || typeof(old.c) | |
| 430 ); | |
| 431 END; | |
| 432 CREATE TRIGGER t4ad AFTER DELETE ON t4 BEGIN | |
| 433 INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || | |
| 434 old.a || ' ' || typeof(old.a) || ' ' || | |
| 435 old.b || ' ' || typeof(old.b) || ' ' || | |
| 436 old.c || ' ' || typeof(old.c) | |
| 437 ); | |
| 438 END; | |
| 439 CREATE TRIGGER t4bu BEFORE UPDATE ON t4 BEGIN | |
| 440 INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || | |
| 441 old.a || ' ' || typeof(old.a) || ' ' || | |
| 442 old.b || ' ' || typeof(old.b) || ' ' || | |
| 443 old.c || ' ' || typeof(old.c) | |
| 444 ); | |
| 445 INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || | |
| 446 new.a || ' ' || typeof(new.a) || ' ' || | |
| 447 new.b || ' ' || typeof(new.b) || ' ' || | |
| 448 new.c || ' ' || typeof(new.c) | |
| 449 ); | |
| 450 END; | |
| 451 CREATE TRIGGER t4au AFTER UPDATE ON t4 BEGIN | |
| 452 INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || | |
| 453 old.a || ' ' || typeof(old.a) || ' ' || | |
| 454 old.b || ' ' || typeof(old.b) || ' ' || | |
| 455 old.c || ' ' || typeof(old.c) | |
| 456 ); | |
| 457 INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || | |
| 458 new.a || ' ' || typeof(new.a) || ' ' || | |
| 459 new.b || ' ' || typeof(new.b) || ' ' || | |
| 460 new.c || ' ' || typeof(new.c) | |
| 461 ); | |
| 462 END; | |
| 463 } | |
| 464 } {} | |
| 465 foreach {n insert log} { | |
| 466 | |
| 467 2 { | |
| 468 INSERT INTO t4 VALUES('1', '1', '1'); | |
| 469 DELETE FROM t4; | |
| 470 } { | |
| 471 -1 integer 1 text 1 integer 1.0 real | |
| 472 1 integer 1 text 1 integer 1.0 real | |
| 473 1 integer 1 text 1 integer 1.0 real | |
| 474 1 integer 1 text 1 integer 1.0 real | |
| 475 } | |
| 476 | |
| 477 3 { | |
| 478 INSERT INTO t4(rowid,a,b,c) VALUES(45, 45, 45, 45); | |
| 479 DELETE FROM t4; | |
| 480 } { | |
| 481 45 integer 45 text 45 integer 45.0 real | |
| 482 45 integer 45 text 45 integer 45.0 real | |
| 483 45 integer 45 text 45 integer 45.0 real | |
| 484 45 integer 45 text 45 integer 45.0 real | |
| 485 } | |
| 486 | |
| 487 4 { | |
| 488 INSERT INTO t4(rowid,a,b,c) VALUES(-42.0, -42.0, -42.0, -42.0); | |
| 489 DELETE FROM t4; | |
| 490 } { | |
| 491 -42 integer -42.0 text -42 integer -42.0 real | |
| 492 -42 integer -42.0 text -42 integer -42.0 real | |
| 493 -42 integer -42.0 text -42 integer -42.0 real | |
| 494 -42 integer -42.0 text -42 integer -42.0 real | |
| 495 } | |
| 496 | |
| 497 5 { | |
| 498 INSERT INTO t4(rowid,a,b,c) VALUES(NULL, -42.4, -42.4, -42.4); | |
| 499 DELETE FROM t4; | |
| 500 } { | |
| 501 -1 integer -42.4 text -42.4 real -42.4 real | |
| 502 1 integer -42.4 text -42.4 real -42.4 real | |
| 503 1 integer -42.4 text -42.4 real -42.4 real | |
| 504 1 integer -42.4 text -42.4 real -42.4 real | |
| 505 } | |
| 506 | |
| 507 6 { | |
| 508 INSERT INTO t4 VALUES(7, 7, 7); | |
| 509 UPDATE t4 SET a=8, b=8, c=8; | |
| 510 } { | |
| 511 -1 integer 7 text 7 integer 7.0 real | |
| 512 1 integer 7 text 7 integer 7.0 real | |
| 513 1 integer 7 text 7 integer 7.0 real | |
| 514 1 integer 8 text 8 integer 8.0 real | |
| 515 1 integer 7 text 7 integer 7.0 real | |
| 516 1 integer 8 text 8 integer 8.0 real | |
| 517 } | |
| 518 | |
| 519 7 { | |
| 520 UPDATE t4 SET rowid=2; | |
| 521 } { | |
| 522 1 integer 8 text 8 integer 8.0 real | |
| 523 2 integer 8 text 8 integer 8.0 real | |
| 524 1 integer 8 text 8 integer 8.0 real | |
| 525 2 integer 8 text 8 integer 8.0 real | |
| 526 } | |
| 527 | |
| 528 8 { | |
| 529 UPDATE t4 SET a='9', b='9', c='9'; | |
| 530 } { | |
| 531 2 integer 8 text 8 integer 8.0 real | |
| 532 2 integer 9 text 9 integer 9.0 real | |
| 533 2 integer 8 text 8 integer 8.0 real | |
| 534 2 integer 9 text 9 integer 9.0 real | |
| 535 } | |
| 536 | |
| 537 9 { | |
| 538 UPDATE t4 SET a='9.1', b='9.1', c='9.1'; | |
| 539 } { | |
| 540 2 integer 9 text 9 integer 9.0 real | |
| 541 2 integer 9.1 text 9.1 real 9.1 real | |
| 542 2 integer 9 text 9 integer 9.0 real | |
| 543 2 integer 9.1 text 9.1 real 9.1 real | |
| 544 } | |
| 545 } { | |
| 546 do_test triggerC-4.1.$n { | |
| 547 eval concat [execsql " | |
| 548 DELETE FROM log; | |
| 549 $insert ; | |
| 550 SELECT * FROM log ORDER BY rowid; | |
| 551 "] | |
| 552 } [join $log " "] | |
| 553 } | |
| 554 | |
| 555 #------------------------------------------------------------------------- | |
| 556 # This block of tests, triggerC-5.*, test that DELETE triggers are fired | |
| 557 # if a row is deleted as a result of OR REPLACE conflict resolution. | |
| 558 # | |
| 559 do_test triggerC-5.1.0 { | |
| 560 execsql { | |
| 561 DROP TABLE IF EXISTS t5; | |
| 562 CREATE TABLE t5(a INTEGER PRIMARY KEY, b); | |
| 563 CREATE UNIQUE INDEX t5i ON t5(b); | |
| 564 INSERT INTO t5 VALUES(1, 'a'); | |
| 565 INSERT INTO t5 VALUES(2, 'b'); | |
| 566 INSERT INTO t5 VALUES(3, 'c'); | |
| 567 | |
| 568 CREATE TABLE t5g(a, b, c); | |
| 569 CREATE TRIGGER t5t BEFORE DELETE ON t5 BEGIN | |
| 570 INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5)); | |
| 571 END; | |
| 572 } | |
| 573 } {} | |
| 574 foreach {n dml t5g t5} { | |
| 575 1 "DELETE FROM t5 WHERE a=2" {2 b 3} {1 a 3 c} | |
| 576 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 3} {1 a 2 d 3 c} | |
| 577 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 3} {1 a 2 c} | |
| 578 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 3} {1 a 3 c 4 b} | |
| 579 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 3} {1 a 3 b} | |
| 580 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 3 3 c 2} {1 a 2 c} | |
| 581 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 3 2 b 2} {1 b} | |
| 582 } { | |
| 583 do_test triggerC-5.1.$n { | |
| 584 execsql " | |
| 585 BEGIN; | |
| 586 $dml ; | |
| 587 SELECT * FROM t5g ORDER BY rowid; | |
| 588 SELECT * FROM t5 ORDER BY rowid; | |
| 589 ROLLBACK; | |
| 590 " | |
| 591 } [concat $t5g $t5] | |
| 592 } | |
| 593 do_test triggerC-5.2.0 { | |
| 594 execsql { | |
| 595 DROP TRIGGER t5t; | |
| 596 CREATE TRIGGER t5t AFTER DELETE ON t5 BEGIN | |
| 597 INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5)); | |
| 598 END; | |
| 599 } | |
| 600 } {} | |
| 601 foreach {n dml t5g t5} { | |
| 602 1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c} | |
| 603 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 2} {1 a 2 d 3 c} | |
| 604 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 2} {1 a 2 c} | |
| 605 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 2} {1 a 3 c 4 b} | |
| 606 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 2} {1 a 3 b} | |
| 607 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 2 3 c 1} {1 a 2 c} | |
| 608 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 2 2 b 1} {1 b} | |
| 609 } { | |
| 610 do_test triggerC-5.2.$n { | |
| 611 execsql " | |
| 612 BEGIN; | |
| 613 $dml ; | |
| 614 SELECT * FROM t5g ORDER BY rowid; | |
| 615 SELECT * FROM t5 ORDER BY rowid; | |
| 616 ROLLBACK; | |
| 617 " | |
| 618 } [concat $t5g $t5] | |
| 619 } | |
| 620 do_test triggerC-5.3.0 { | |
| 621 execsql { PRAGMA recursive_triggers = off } | |
| 622 } {} | |
| 623 foreach {n dml t5g t5} { | |
| 624 1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c} | |
| 625 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {} {1 a 2 d 3 c} | |
| 626 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {} {1 a 2 c} | |
| 627 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {} {1 a 3 c 4 b} | |
| 628 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {} {1 a 3 b} | |
| 629 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {} {1 a 2 c} | |
| 630 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {} {1 b} | |
| 631 } { | |
| 632 do_test triggerC-5.3.$n { | |
| 633 execsql " | |
| 634 BEGIN; | |
| 635 $dml ; | |
| 636 SELECT * FROM t5g ORDER BY rowid; | |
| 637 SELECT * FROM t5 ORDER BY rowid; | |
| 638 ROLLBACK; | |
| 639 " | |
| 640 } [concat $t5g $t5] | |
| 641 } | |
| 642 do_test triggerC-5.3.8 { | |
| 643 execsql { PRAGMA recursive_triggers = on } | |
| 644 } {} | |
| 645 | |
| 646 #------------------------------------------------------------------------- | |
| 647 # This block of tests, triggerC-6.*, tests that "PRAGMA recursive_triggers" | |
| 648 # statements return the current value of the recursive triggers flag. | |
| 649 # | |
| 650 do_test triggerC-6.1 { | |
| 651 execsql { PRAGMA recursive_triggers } | |
| 652 } {1} | |
| 653 do_test triggerC-6.2 { | |
| 654 execsql { | |
| 655 PRAGMA recursive_triggers = off; | |
| 656 PRAGMA recursive_triggers; | |
| 657 } | |
| 658 } {0} | |
| 659 do_test triggerC-6.3 { | |
| 660 execsql { | |
| 661 PRAGMA recursive_triggers = on; | |
| 662 PRAGMA recursive_triggers; | |
| 663 } | |
| 664 } {1} | |
| 665 | |
| 666 #------------------------------------------------------------------------- | |
| 667 # Test some of the "undefined behaviour" associated with triggers. The | |
| 668 # undefined behaviour occurs when a row being updated or deleted is | |
| 669 # manipulated by a BEFORE trigger. | |
| 670 # | |
| 671 do_test triggerC-7.1 { | |
| 672 execsql { | |
| 673 CREATE TABLE t8(x); | |
| 674 CREATE TABLE t7(a, b); | |
| 675 INSERT INTO t7 VALUES(1, 2); | |
| 676 INSERT INTO t7 VALUES(3, 4); | |
| 677 INSERT INTO t7 VALUES(5, 6); | |
| 678 CREATE TRIGGER t7t BEFORE UPDATE ON t7 BEGIN | |
| 679 DELETE FROM t7 WHERE a = 1; | |
| 680 END; | |
| 681 CREATE TRIGGER t7ta AFTER UPDATE ON t7 BEGIN | |
| 682 INSERT INTO t8 VALUES('after fired ' || old.rowid || '->' || new.rowid); | |
| 683 END; | |
| 684 } | |
| 685 } {} | |
| 686 do_test triggerC-7.2 { | |
| 687 execsql { | |
| 688 BEGIN; | |
| 689 UPDATE t7 SET b=7 WHERE a = 5; | |
| 690 SELECT * FROM t7; | |
| 691 SELECT * FROM t8; | |
| 692 ROLLBACK; | |
| 693 } | |
| 694 } {3 4 5 7 {after fired 3->3}} | |
| 695 do_test triggerC-7.3 { | |
| 696 execsql { | |
| 697 BEGIN; | |
| 698 UPDATE t7 SET b=7 WHERE a = 1; | |
| 699 SELECT * FROM t7; | |
| 700 SELECT * FROM t8; | |
| 701 ROLLBACK; | |
| 702 } | |
| 703 } {3 4 5 6} | |
| 704 | |
| 705 do_test triggerC-7.4 { | |
| 706 execsql { | |
| 707 DROP TRIGGER t7t; | |
| 708 CREATE TRIGGER t7t BEFORE UPDATE ON t7 WHEN (old.rowid!=1 OR new.rowid!=8) | |
| 709 BEGIN | |
| 710 UPDATE t7 set rowid = 8 WHERE rowid=1; | |
| 711 END; | |
| 712 } | |
| 713 } {} | |
| 714 do_test triggerC-7.5 { | |
| 715 execsql { | |
| 716 BEGIN; | |
| 717 UPDATE t7 SET b=7 WHERE a = 5; | |
| 718 SELECT rowid, * FROM t7; | |
| 719 SELECT * FROM t8; | |
| 720 ROLLBACK; | |
| 721 } | |
| 722 } {2 3 4 3 5 7 8 1 2 {after fired 1->8} {after fired 3->3}} | |
| 723 do_test triggerC-7.6 { | |
| 724 execsql { | |
| 725 BEGIN; | |
| 726 UPDATE t7 SET b=7 WHERE a = 1; | |
| 727 SELECT rowid, * FROM t7; | |
| 728 SELECT * FROM t8; | |
| 729 ROLLBACK; | |
| 730 } | |
| 731 } {2 3 4 3 5 6 8 1 2 {after fired 1->8}} | |
| 732 | |
| 733 do_test triggerC-7.7 { | |
| 734 execsql { | |
| 735 DROP TRIGGER t7t; | |
| 736 DROP TRIGGER t7ta; | |
| 737 CREATE TRIGGER t7t BEFORE DELETE ON t7 BEGIN | |
| 738 UPDATE t7 set rowid = 8 WHERE rowid=1; | |
| 739 END; | |
| 740 CREATE TRIGGER t7ta AFTER DELETE ON t7 BEGIN | |
| 741 INSERT INTO t8 VALUES('after fired ' || old.rowid); | |
| 742 END; | |
| 743 } | |
| 744 } {} | |
| 745 do_test triggerC-7.8 { | |
| 746 execsql { | |
| 747 BEGIN; | |
| 748 DELETE FROM t7 WHERE a = 3; | |
| 749 SELECT rowid, * FROM t7; | |
| 750 SELECT * FROM t8; | |
| 751 ROLLBACK; | |
| 752 } | |
| 753 } {3 5 6 8 1 2 {after fired 2}} | |
| 754 do_test triggerC-7.9 { | |
| 755 execsql { | |
| 756 BEGIN; | |
| 757 DELETE FROM t7 WHERE a = 1; | |
| 758 SELECT rowid, * FROM t7; | |
| 759 SELECT * FROM t8; | |
| 760 ROLLBACK; | |
| 761 } | |
| 762 } {2 3 4 3 5 6 8 1 2} | |
| 763 | |
| 764 # Ticket [e25d9ea771febc9c311928c1c01c3163dcb26643] | |
| 765 # | |
| 766 do_test triggerC-9.1 { | |
| 767 execsql { | |
| 768 CREATE TABLE t9(a,b); | |
| 769 CREATE INDEX t9b ON t9(b); | |
| 770 INSERT INTO t9 VALUES(1,0); | |
| 771 INSERT INTO t9 VALUES(2,1); | |
| 772 INSERT INTO t9 VALUES(3,2); | |
| 773 INSERT INTO t9 SELECT a+3, a+2 FROM t9; | |
| 774 INSERT INTO t9 SELECT a+6, a+5 FROM t9; | |
| 775 SELECT a FROM t9 ORDER BY a; | |
| 776 } | |
| 777 } {1 2 3 4 5 6 7 8 9 10 11 12} | |
| 778 do_test triggerC-9.2 { | |
| 779 execsql { | |
| 780 CREATE TRIGGER t9r1 AFTER DELETE ON t9 BEGIN | |
| 781 DELETE FROM t9 WHERE b=old.a; | |
| 782 END; | |
| 783 DELETE FROM t9 WHERE b=4; | |
| 784 SELECT a FROM t9 ORDER BY a; | |
| 785 } | |
| 786 } {1 2 3 4} | |
| 787 | |
| 788 # At one point (between versions 3.6.18 and 3.6.20 inclusive), an UPDATE | |
| 789 # that fired a BEFORE trigger that itself updated the same row as the | |
| 790 # statement causing it to fire was causing a strange side-effect: The | |
| 791 # values updated by the statement within the trigger were being overwritten | |
| 792 # by the values in the new.* array, even if those values were not | |
| 793 # themselves written by the parent UPDATE statement. | |
| 794 # | |
| 795 # Technically speaking this was not a bug. The SQLite documentation says | |
| 796 # that if a BEFORE UPDATE or BEFORE DELETE trigger modifies or deletes the | |
| 797 # row that the parent statement is operating on the results are undefined. | |
| 798 # But as of 3.6.21 behaviour is restored to the way it was in versions | |
| 799 # 3.6.17 and earlier to avoid causing unnecessary difficulties. | |
| 800 # | |
| 801 do_test triggerC-10.1 { | |
| 802 execsql { | |
| 803 CREATE TABLE t10(a, updatecnt DEFAULT 0); | |
| 804 CREATE TRIGGER t10_bu BEFORE UPDATE OF a ON t10 BEGIN | |
| 805 UPDATE t10 SET updatecnt = updatecnt+1 WHERE rowid = old.rowid; | |
| 806 END; | |
| 807 INSERT INTO t10(a) VALUES('hello'); | |
| 808 } | |
| 809 | |
| 810 # Before the problem was fixed, table t10 would contain the tuple | |
| 811 # (world, 0) after running the following script (because the value | |
| 812 # 1 written to column "updatecnt" was clobbered by the old value 0). | |
| 813 # | |
| 814 execsql { | |
| 815 UPDATE t10 SET a = 'world'; | |
| 816 SELECT * FROM t10; | |
| 817 } | |
| 818 } {world 1} | |
| 819 | |
| 820 do_test triggerC-10.2 { | |
| 821 execsql { | |
| 822 UPDATE t10 SET a = 'tcl', updatecnt = 5; | |
| 823 SELECT * FROM t10; | |
| 824 } | |
| 825 } {tcl 5} | |
| 826 | |
| 827 do_test triggerC-10.3 { | |
| 828 execsql { | |
| 829 CREATE TABLE t11( | |
| 830 c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, | |
| 831 c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, | |
| 832 c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, | |
| 833 c31, c32, c33, c34, c35, c36, c37, c38, c39, c40 | |
| 834 ); | |
| 835 | |
| 836 CREATE TRIGGER t11_bu BEFORE UPDATE OF c1 ON t11 BEGIN | |
| 837 UPDATE t11 SET c31 = c31+1, c32=c32+1 WHERE rowid = old.rowid; | |
| 838 END; | |
| 839 | |
| 840 INSERT INTO t11 VALUES( | |
| 841 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
| 842 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
| 843 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
| 844 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 | |
| 845 ); | |
| 846 } | |
| 847 | |
| 848 # Before the problem was fixed, table t10 would contain the tuple | |
| 849 # (world, 0) after running the following script (because the value | |
| 850 # 1 written to column "updatecnt" was clobbered by the old value 0). | |
| 851 # | |
| 852 execsql { | |
| 853 UPDATE t11 SET c4=35, c33=22, c1=5; | |
| 854 SELECT * FROM t11; | |
| 855 } | |
| 856 } {5 2 3 35 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2
9 30 32 33 22 34 35 36 37 38 39 40} | |
| 857 | |
| 858 #------------------------------------------------------------------------- | |
| 859 # Test that bug [371bab5d65] has been fixed. BEFORE INSERT and INSTEAD OF | |
| 860 # INSERT triggers with the DEFAULT VALUES INSERT syntax. | |
| 861 # | |
| 862 do_test triggerC-11.0 { | |
| 863 catchsql { DROP TABLE log } | |
| 864 execsql { CREATE TABLE log(a, b) } | |
| 865 } {} | |
| 866 | |
| 867 foreach {testno tbl defaults} { | |
| 868 1 "CREATE TABLE t1(a, b)" {{} {}} | |
| 869 2 "CREATE TABLE t1(a DEFAULT 1, b DEFAULT 'abc')" {1 abc} | |
| 870 3 "CREATE TABLE t1(a, b DEFAULT 4.5)" {{} 4.5} | |
| 871 } { | |
| 872 do_test triggerC-11.$testno.1 { | |
| 873 catchsql { DROP TABLE t1 } | |
| 874 execsql { DELETE FROM log } | |
| 875 execsql $tbl | |
| 876 execsql { | |
| 877 CREATE TRIGGER tt1 BEFORE INSERT ON t1 BEGIN | |
| 878 INSERT INTO log VALUES(new.a, new.b); | |
| 879 END; | |
| 880 INSERT INTO t1 DEFAULT VALUES; | |
| 881 SELECT * FROM log; | |
| 882 } | |
| 883 } $defaults | |
| 884 | |
| 885 do_test triggerC-11.$testno.2 { | |
| 886 execsql { DELETE FROM log } | |
| 887 execsql { | |
| 888 CREATE TRIGGER tt2 AFTER INSERT ON t1 BEGIN | |
| 889 INSERT INTO log VALUES(new.a, new.b); | |
| 890 END; | |
| 891 INSERT INTO t1 DEFAULT VALUES; | |
| 892 SELECT * FROM log; | |
| 893 } | |
| 894 } [concat $defaults $defaults] | |
| 895 | |
| 896 do_test triggerC-11.$testno.3 { | |
| 897 execsql { DROP TRIGGER tt1 } | |
| 898 execsql { DELETE FROM log } | |
| 899 execsql { | |
| 900 INSERT INTO t1 DEFAULT VALUES; | |
| 901 SELECT * FROM log; | |
| 902 } | |
| 903 } $defaults | |
| 904 } | |
| 905 do_test triggerC-11.4 { | |
| 906 catchsql { DROP TABLE t2 } | |
| 907 execsql { | |
| 908 DELETE FROM log; | |
| 909 CREATE TABLE t2(a, b); | |
| 910 CREATE VIEW v2 AS SELECT * FROM t2; | |
| 911 CREATE TRIGGER tv2 INSTEAD OF INSERT ON v2 BEGIN | |
| 912 INSERT INTO log VALUES(new.a, new.b); | |
| 913 END; | |
| 914 INSERT INTO v2 DEFAULT VALUES; | |
| 915 SELECT a, b, a IS NULL, b IS NULL FROM log; | |
| 916 } | |
| 917 } {{} {} 1 1} | |
| 918 | |
| 919 do_test triggerC-12.1 { | |
| 920 db close | |
| 921 forcedelete test.db | |
| 922 sqlite3 db test.db | |
| 923 | |
| 924 execsql { | |
| 925 CREATE TABLE t1(a, b); | |
| 926 INSERT INTO t1 VALUES(1, 2); | |
| 927 INSERT INTO t1 VALUES(3, 4); | |
| 928 INSERT INTO t1 VALUES(5, 6); | |
| 929 CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN SELECT 1 ; END ; | |
| 930 SELECT count(*) FROM sqlite_master; | |
| 931 } | |
| 932 } {2} | |
| 933 do_test triggerC-12.2 { | |
| 934 db eval { SELECT * FROM t1 } { | |
| 935 if {$a == 3} { execsql { DROP TRIGGER tr1 } } | |
| 936 } | |
| 937 execsql { SELECT count(*) FROM sqlite_master } | |
| 938 } {1} | |
| 939 | |
| 940 do_execsql_test triggerC-13.1 { | |
| 941 PRAGMA recursive_triggers = ON; | |
| 942 CREATE TABLE t12(a, b); | |
| 943 INSERT INTO t12 VALUES(1, 2); | |
| 944 CREATE TRIGGER tr12 AFTER UPDATE ON t12 BEGIN | |
| 945 UPDATE t12 SET a=new.a+1, b=new.b+1; | |
| 946 END; | |
| 947 } {} | |
| 948 do_catchsql_test triggerC-13.2 { | |
| 949 UPDATE t12 SET a=a+1, b=b+1; | |
| 950 } {1 {too many levels of trigger recursion}} | |
| 951 | |
| 952 #------------------------------------------------------------------------- | |
| 953 # The following tests seek to verify that constant values (i.e. literals) | |
| 954 # are not factored out of loops within trigger programs. SQLite does | |
| 955 # not factor constants out of loops within trigger programs as it may only | |
| 956 # do so in code generated before the first table or index is opened. And | |
| 957 # by the time a trigger program is coded, at least one table or index has | |
| 958 # always been opened. | |
| 959 # | |
| 960 # At one point, due to a bug allowing constant factoring within triggers, | |
| 961 # the following SQL would produce the wrong result. | |
| 962 # | |
| 963 set SQL { | |
| 964 CREATE TABLE t1(a, b, c); | |
| 965 CREATE INDEX i1 ON t1(a, c); | |
| 966 CREATE INDEX i2 ON t1(b, c); | |
| 967 INSERT INTO t1 VALUES(1, 2, 3); | |
| 968 | |
| 969 CREATE TABLE t2(e, f); | |
| 970 CREATE INDEX i3 ON t2(e); | |
| 971 INSERT INTO t2 VALUES(1234567, 3); | |
| 972 | |
| 973 CREATE TABLE empty(x); | |
| 974 CREATE TABLE not_empty(x); | |
| 975 INSERT INTO not_empty VALUES(2); | |
| 976 | |
| 977 CREATE TABLE t4(x); | |
| 978 CREATE TABLE t5(g, h, i); | |
| 979 | |
| 980 CREATE TRIGGER trig BEFORE INSERT ON t4 BEGIN | |
| 981 INSERT INTO t5 SELECT * FROM t1 WHERE | |
| 982 (a IN (SELECT x FROM empty) OR b IN (SELECT x FROM not_empty)) | |
| 983 AND c IN (SELECT f FROM t2 WHERE e=1234567); | |
| 984 END; | |
| 985 | |
| 986 INSERT INTO t4 VALUES(0); | |
| 987 SELECT * FROM t5; | |
| 988 } | |
| 989 | |
| 990 reset_db | |
| 991 do_execsql_test triggerC-14.1 $SQL {1 2 3} | |
| 992 reset_db | |
| 993 optimization_control db factor-constants 0 | |
| 994 do_execsql_test triggerC-14.2 $SQL {1 2 3} | |
| 995 | |
| 996 finish_test | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
