1# The author disclaims copyright to this source code. In place of 2# a legal notice, here is a blessing: 3# 4# May you do good and not evil. 5# May you find forgiveness for yourself and forgive others. 6# May you share freely, never taking more than you give. 7# 8#*********************************************************************** 9# 10# This file tests creating and dropping triggers, and interaction thereof 11# with the database COMMIT/ROLLBACK logic. 12# 13# 1. CREATE and DROP TRIGGER tests 14# trigger1-1.1: Error if table does not exist 15# trigger1-1.2: Error if trigger already exists 16# trigger1-1.3: Created triggers are deleted if the transaction is rolled back 17# trigger1-1.4: DROP TRIGGER removes trigger 18# trigger1-1.5: Dropped triggers are restored if the transaction is rolled back 19# trigger1-1.6: Error if dropped trigger doesn't exist 20# trigger1-1.7: Dropping the table automatically drops all triggers 21# trigger1-1.8: A trigger created on a TEMP table is not inserted into sqlite_master 22# trigger1-1.9: Ensure that we cannot create a trigger on sqlite_master 23# trigger1-1.10: 24# trigger1-1.11: 25# trigger1-1.12: Ensure that INSTEAD OF triggers cannot be created on tables 26# trigger1-1.13: Ensure that AFTER triggers cannot be created on views 27# trigger1-1.14: Ensure that BEFORE triggers cannot be created on views 28# 29 30set testdir [file dirname $argv0] 31source $testdir/tester.tcl 32ifcapable !trigger||!compound { 33 finish_test 34 return 35} 36 37do_test trigger1-1.1.1 { 38 catchsql { 39 CREATE TRIGGER trig UPDATE ON no_such_table BEGIN 40 SELECT * from sqlite_master; 41 END; 42 } 43} {1 {no such table: main.no_such_table}} 44 45ifcapable tempdb { 46 do_test trigger1-1.1.2 { 47 catchsql { 48 CREATE TEMP TRIGGER trig UPDATE ON no_such_table BEGIN 49 SELECT * from sqlite_master; 50 END; 51 } 52 } {1 {no such table: no_such_table}} 53} 54 55execsql { 56 CREATE TABLE t1(a); 57} 58do_test trigger1-1.1.3 { 59 catchsql { 60 CREATE TRIGGER trig UPDATE ON t1 FOR EACH STATEMENT BEGIN 61 SELECT * FROM sqlite_master; 62 END; 63 } 64} {1 {near "STATEMENT": syntax error}} 65execsql { 66 CREATE TRIGGER tr1 INSERT ON t1 BEGIN 67 INSERT INTO t1 values(1); 68 END; 69} 70do_test trigger1-1.2.0 { 71 catchsql { 72 CREATE TRIGGER IF NOT EXISTS tr1 DELETE ON t1 BEGIN 73 SELECT * FROM sqlite_master; 74 END 75 } 76} {0 {}} 77do_test trigger1-1.2.1 { 78 catchsql { 79 CREATE TRIGGER tr1 DELETE ON t1 BEGIN 80 SELECT * FROM sqlite_master; 81 END 82 } 83} {1 {trigger tr1 already exists}} 84do_test trigger1-1.2.2 { 85 catchsql { 86 CREATE TRIGGER "tr1" DELETE ON t1 BEGIN 87 SELECT * FROM sqlite_master; 88 END 89 } 90} {1 {trigger "tr1" already exists}} 91do_test trigger1-1.2.3 { 92 catchsql { 93 CREATE TRIGGER [tr1] DELETE ON t1 BEGIN 94 SELECT * FROM sqlite_master; 95 END 96 } 97} {1 {trigger [tr1] already exists}} 98 99do_test trigger1-1.3 { 100 catchsql { 101 BEGIN; 102 CREATE TRIGGER tr2 INSERT ON t1 BEGIN 103 SELECT * from sqlite_master; END; 104 ROLLBACK; 105 CREATE TRIGGER tr2 INSERT ON t1 BEGIN 106 SELECT * from sqlite_master; END; 107 } 108} {0 {}} 109 110do_test trigger1-1.4 { 111 catchsql { 112 DROP TRIGGER IF EXISTS tr1; 113 CREATE TRIGGER tr1 DELETE ON t1 BEGIN 114 SELECT * FROM sqlite_master; 115 END 116 } 117} {0 {}} 118 119do_test trigger1-1.5 { 120 execsql { 121 BEGIN; 122 DROP TRIGGER tr2; 123 ROLLBACK; 124 DROP TRIGGER tr2; 125 } 126} {} 127 128do_test trigger1-1.6.1 { 129 catchsql { 130 DROP TRIGGER IF EXISTS biggles; 131 } 132} {0 {}} 133 134do_test trigger1-1.6.2 { 135 catchsql { 136 DROP TRIGGER biggles; 137 } 138} {1 {no such trigger: biggles}} 139 140do_test trigger1-1.7 { 141 catchsql { 142 DROP TABLE t1; 143 DROP TRIGGER tr1; 144 } 145} {1 {no such trigger: tr1}} 146 147ifcapable tempdb { 148 execsql { 149 CREATE TEMP TABLE temp_table(a); 150 } 151 do_test trigger1-1.8 { 152 execsql { 153 CREATE TRIGGER temp_trig UPDATE ON temp_table BEGIN 154 SELECT * from sqlite_master; 155 END; 156 SELECT count(*) FROM sqlite_master WHERE name = 'temp_trig'; 157 } 158 } {0} 159} 160 161do_test trigger1-1.9 { 162 catchsql { 163 CREATE TRIGGER tr1 AFTER UPDATE ON sqlite_master BEGIN 164 SELECT * FROM sqlite_master; 165 END; 166 } 167} {1 {cannot create trigger on system table}} 168 169# Check to make sure that a DELETE statement within the body of 170# a trigger does not mess up the DELETE that caused the trigger to 171# run in the first place. 172# 173do_test trigger1-1.10 { 174 execsql { 175 create table t1(a,b); 176 insert into t1 values(1,'a'); 177 insert into t1 values(2,'b'); 178 insert into t1 values(3,'c'); 179 insert into t1 values(4,'d'); 180 create trigger r1 after delete on t1 for each row begin 181 delete from t1 WHERE a=old.a+2; 182 end; 183 delete from t1 where a=1 OR a=3; 184 select * from t1; 185 drop table t1; 186 } 187} {2 b 4 d} 188 189do_test trigger1-1.11 { 190 execsql { 191 create table t1(a,b); 192 insert into t1 values(1,'a'); 193 insert into t1 values(2,'b'); 194 insert into t1 values(3,'c'); 195 insert into t1 values(4,'d'); 196 create trigger r1 after update on t1 for each row begin 197 delete from t1 WHERE a=old.a+2; 198 end; 199 update t1 set b='x-' || b where a=1 OR a=3; 200 select * from t1; 201 drop table t1; 202 } 203} {1 x-a 2 b 4 d} 204 205# Ensure that we cannot create INSTEAD OF triggers on tables 206do_test trigger1-1.12 { 207 catchsql { 208 create table t1(a,b); 209 create trigger t1t instead of update on t1 for each row begin 210 delete from t1 WHERE a=old.a+2; 211 end; 212 } 213} {1 {cannot create INSTEAD OF trigger on table: t1}} 214 215ifcapable view { 216# Ensure that we cannot create BEFORE triggers on views 217do_test trigger1-1.13 { 218 catchsql { 219 create view v1 as select * from t1; 220 create trigger v1t before update on v1 for each row begin 221 delete from t1 WHERE a=old.a+2; 222 end; 223 } 224} {1 {cannot create BEFORE trigger on view: v1}} 225# Ensure that we cannot create AFTER triggers on views 226do_test trigger1-1.14 { 227 catchsql { 228 drop view v1; 229 create view v1 as select * from t1; 230 create trigger v1t AFTER update on v1 for each row begin 231 delete from t1 WHERE a=old.a+2; 232 end; 233 } 234} {1 {cannot create AFTER trigger on view: v1}} 235} ;# ifcapable view 236 237# Check for memory leaks in the trigger parser 238# 239do_test trigger1-2.1 { 240 catchsql { 241 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN 242 SELECT * FROM; -- Syntax error 243 END; 244 } 245} {1 {near ";": syntax error}} 246do_test trigger1-2.2 { 247 catchsql { 248 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN 249 SELECT * FROM t1; 250 SELECT * FROM; -- Syntax error 251 END; 252 } 253} {1 {near ";": syntax error}} 254 255# Create a trigger that refers to a table that might not exist. 256# 257ifcapable tempdb { 258 do_test trigger1-3.1 { 259 execsql { 260 CREATE TEMP TABLE t2(x,y); 261 } 262 catchsql { 263 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN 264 INSERT INTO t2 VALUES(NEW.a,NEW.b); 265 END; 266 } 267 } {0 {}} 268 do_test trigger1-3.2 { 269 catchsql { 270 INSERT INTO t1 VALUES(1,2); 271 SELECT * FROM t2; 272 } 273 } {1 {no such table: main.t2}} 274 do_test trigger1-3.3 { 275 db close 276 set rc [catch {sqlite3 db test.db} err] 277 if {$rc} {lappend rc $err} 278 set rc 279 } {0} 280 do_test trigger1-3.4 { 281 catchsql { 282 INSERT INTO t1 VALUES(1,2); 283 SELECT * FROM t2; 284 } 285 } {1 {no such table: main.t2}} 286 do_test trigger1-3.5 { 287 catchsql { 288 CREATE TEMP TABLE t2(x,y); 289 INSERT INTO t1 VALUES(1,2); 290 SELECT * FROM t2; 291 } 292 } {1 {no such table: main.t2}} 293 do_test trigger1-3.6.1 { 294 catchsql { 295 DROP TRIGGER r1; 296 CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN 297 INSERT INTO t2 VALUES(NEW.a,NEW.b), (NEW.b*100, NEW.a*100); 298 END; 299 INSERT INTO t1 VALUES(1,2); 300 SELECT * FROM t2; 301 } 302 } {0 {1 2 200 100}} 303 do_test trigger1-3.6.2 { 304 catchsql { 305 DROP TRIGGER r1; 306 DELETE FROM t1; 307 DELETE FROM t2; 308 CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN 309 INSERT INTO t2 VALUES(NEW.a,NEW.b); 310 END; 311 INSERT INTO t1 VALUES(1,2); 312 SELECT * FROM t2; 313 } 314 } {0 {1 2}} 315 do_test trigger1-3.7 { 316 execsql { 317 DROP TABLE t2; 318 CREATE TABLE t2(x,y); 319 SELECT * FROM t2; 320 } 321 } {} 322 323 # There are two versions of trigger1-3.8 and trigger1-3.9. One that uses 324 # compound SELECT statements, and another that does not. 325 ifcapable compound { 326 do_test trigger1-3.8 { 327 execsql { 328 INSERT INTO t1 VALUES(3,4); 329 SELECT * FROM t1 UNION ALL SELECT * FROM t2; 330 } 331 } {1 2 3 4 3 4} 332 do_test trigger1-3.9 { 333 db close 334 sqlite3 db test.db 335 execsql { 336 INSERT INTO t1 VALUES(5,6); 337 SELECT * FROM t1 UNION ALL SELECT * FROM t2; 338 } 339 } {1 2 3 4 5 6 3 4} 340 } ;# ifcapable compound 341 ifcapable !compound { 342 do_test trigger1-3.8 { 343 execsql { 344 INSERT INTO t1 VALUES(3,4); 345 SELECT * FROM t1; 346 SELECT * FROM t2; 347 } 348 } {1 2 3 4 3 4} 349 do_test trigger1-3.9 { 350 db close 351 sqlite3 db test.db 352 execsql { 353 INSERT INTO t1 VALUES(5,6); 354 SELECT * FROM t1; 355 SELECT * FROM t2; 356 } 357 } {1 2 3 4 5 6 3 4} 358 } ;# ifcapable !compound 359 360 do_test trigger1-4.1 { 361 execsql { 362 CREATE TEMP TRIGGER r1 BEFORE INSERT ON t1 BEGIN 363 INSERT INTO t2 VALUES(NEW.a,NEW.b); 364 END; 365 INSERT INTO t1 VALUES(7,8); 366 SELECT * FROM t2; 367 } 368 } {3 4 7 8} 369 do_test trigger1-4.2 { 370 sqlite3 db2 test.db 371 execsql { 372 INSERT INTO t1 VALUES(9,10); 373 } db2; 374 db2 close 375 execsql { 376 SELECT * FROM t2; 377 } 378 } {3 4 7 8} 379 do_test trigger1-4.3 { 380 execsql { 381 DROP TABLE t1; 382 SELECT * FROM t2; 383 }; 384 } {3 4 7 8} 385 do_test trigger1-4.4 { 386 db close 387 sqlite3 db test.db 388 execsql { 389 SELECT * FROM t2; 390 }; 391 } {3 4 7 8} 392} else { 393 execsql { 394 CREATE TABLE t2(x,y); 395 DROP TABLE t1; 396 INSERT INTO t2 VALUES(3, 4); 397 INSERT INTO t2 VALUES(7, 8); 398 } 399} 400 401 402integrity_check trigger1-5.1 403 404# Create a trigger with the same name as a table. Make sure the 405# trigger works. Then drop the trigger. Make sure the table is 406# still there. 407# 408set view_v1 {} 409ifcapable view { 410 set view_v1 {view v1} 411} 412do_test trigger1-6.1 { 413 execsql {SELECT type, name FROM sqlite_master} 414} [concat $view_v1 {table t2}] 415do_test trigger1-6.2 { 416 execsql { 417 CREATE TRIGGER t2 BEFORE DELETE ON t2 BEGIN 418 SELECT RAISE(ABORT,'deletes are not permitted'); 419 END; 420 SELECT type, name FROM sqlite_master; 421 } 422} [concat $view_v1 {table t2 trigger t2}] 423do_test trigger1-6.3 { 424 catchsql {DELETE FROM t2} 425} {1 {deletes are not permitted}} 426verify_ex_errcode trigger1-6.3b SQLITE_CONSTRAINT_TRIGGER 427do_test trigger1-6.4 { 428 execsql {SELECT * FROM t2} 429} {3 4 7 8} 430do_test trigger1-6.5 { 431 db close 432 sqlite3 db test.db 433 execsql {SELECT type, name FROM sqlite_master} 434} [concat $view_v1 {table t2 trigger t2}] 435do_test trigger1-6.6 { 436 execsql { 437 DROP TRIGGER t2; 438 SELECT type, name FROM sqlite_master; 439 } 440} [concat $view_v1 {table t2}] 441do_test trigger1-6.7 { 442 execsql {SELECT * FROM t2} 443} {3 4 7 8} 444do_test trigger1-6.8 { 445 db close 446 sqlite3 db test.db 447 execsql {SELECT * FROM t2} 448} {3 4 7 8} 449 450integrity_check trigger1-7.1 451 452# Check to make sure the name of a trigger can be quoted so that keywords 453# can be used as trigger names. Ticket #468 454# 455do_test trigger1-8.1 { 456 execsql { 457 CREATE TRIGGER 'trigger' AFTER INSERT ON t2 BEGIN SELECT 1; END; 458 SELECT name FROM sqlite_master WHERE type='trigger'; 459 } 460} {trigger} 461do_test trigger1-8.2 { 462 execsql { 463 DROP TRIGGER 'trigger'; 464 SELECT name FROM sqlite_master WHERE type='trigger'; 465 } 466} {} 467do_test trigger1-8.3 { 468 execsql { 469 CREATE TRIGGER "trigger" AFTER INSERT ON t2 BEGIN SELECT 1; END; 470 SELECT name FROM sqlite_master WHERE type='trigger'; 471 } 472} {trigger} 473do_test trigger1-8.4 { 474 execsql { 475 DROP TRIGGER "trigger"; 476 SELECT name FROM sqlite_master WHERE type='trigger'; 477 } 478} {} 479do_test trigger1-8.5 { 480 execsql { 481 CREATE TRIGGER [trigger] AFTER INSERT ON t2 BEGIN SELECT 1; END; 482 SELECT name FROM sqlite_master WHERE type='trigger'; 483 } 484} {trigger} 485do_test trigger1-8.6 { 486 execsql { 487 DROP TRIGGER [trigger]; 488 SELECT name FROM sqlite_master WHERE type='trigger'; 489 } 490} {} 491 492ifcapable conflict { 493 # Make sure REPLACE works inside of triggers. 494 # 495 # There are two versions of trigger1-9.1 and trigger1-9.2. One that uses 496 # compound SELECT statements, and another that does not. 497 ifcapable compound { 498 do_test trigger1-9.1 { 499 execsql { 500 CREATE TABLE t3(a,b); 501 CREATE TABLE t4(x UNIQUE, b); 502 CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN 503 REPLACE INTO t4 VALUES(new.a,new.b); 504 END; 505 INSERT INTO t3 VALUES(1,2); 506 SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; 507 } 508 } {1 2 99 99 1 2} 509 do_test trigger1-9.2 { 510 execsql { 511 INSERT INTO t3 VALUES(1,3); 512 SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; 513 } 514 } {1 2 1 3 99 99 1 3} 515 } else { 516 do_test trigger1-9.1 { 517 execsql { 518 CREATE TABLE t3(a,b); 519 CREATE TABLE t4(x UNIQUE, b); 520 CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN 521 REPLACE INTO t4 VALUES(new.a,new.b); 522 END; 523 INSERT INTO t3 VALUES(1,2); 524 SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; 525 } 526 } {1 2 99 99 1 2} 527 do_test trigger1-9.2 { 528 execsql { 529 INSERT INTO t3 VALUES(1,3); 530 SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; 531 } 532 } {1 2 1 3 99 99 1 3} 533 } 534 execsql { 535 DROP TABLE t3; 536 DROP TABLE t4; 537 } 538} 539 540 541# Ticket #764. At one stage TEMP triggers would fail to re-install when the 542# schema was reloaded. The following tests ensure that TEMP triggers are 543# correctly re-installed. 544# 545# Also verify that references within trigger programs are resolved at 546# statement compile time, not trigger installation time. This means, for 547# example, that you can drop and re-create tables referenced by triggers. 548ifcapable tempdb&&attach { 549 do_test trigger1-10.0 { 550 forcedelete test2.db 551 forcedelete test2.db-journal 552 execsql { 553 ATTACH 'test2.db' AS aux; 554 } 555 } {} 556 do_test trigger1-10.1 { 557 execsql { 558 CREATE TABLE main.t4(a, b, c); 559 CREATE TABLE temp.t4(a, b, c); 560 CREATE TABLE aux.t4(a, b, c); 561 CREATE TABLE insert_log(db, a, b, c); 562 } 563 } {} 564 do_test trigger1-10.2 { 565 execsql { 566 CREATE TEMP TRIGGER trig1 AFTER INSERT ON main.t4 BEGIN 567 INSERT INTO insert_log VALUES('main', new.a, new.b, new.c); 568 END; 569 CREATE TEMP TRIGGER trig2 AFTER INSERT ON temp.t4 BEGIN 570 INSERT INTO insert_log VALUES('temp', new.a, new.b, new.c); 571 END; 572 CREATE TEMP TRIGGER trig3 AFTER INSERT ON aux.t4 BEGIN 573 INSERT INTO insert_log VALUES('aux', new.a, new.b, new.c); 574 END; 575 } 576 } {} 577 do_test trigger1-10.3 { 578 execsql { 579 INSERT INTO main.t4 VALUES(1, 2, 3); 580 INSERT INTO temp.t4 VALUES(4, 5, 6); 581 INSERT INTO aux.t4 VALUES(7, 8, 9); 582 } 583 } {} 584 do_test trigger1-10.4 { 585 execsql { 586 SELECT * FROM insert_log; 587 } 588 } {main 1 2 3 temp 4 5 6 aux 7 8 9} 589 do_test trigger1-10.5 { 590 execsql { 591 BEGIN; 592 INSERT INTO main.t4 VALUES(1, 2, 3); 593 INSERT INTO temp.t4 VALUES(4, 5, 6); 594 INSERT INTO aux.t4 VALUES(7, 8, 9); 595 ROLLBACK; 596 } 597 } {} 598 do_test trigger1-10.6 { 599 execsql { 600 SELECT * FROM insert_log; 601 } 602 } {main 1 2 3 temp 4 5 6 aux 7 8 9} 603 do_test trigger1-10.7 { 604 execsql { 605 DELETE FROM insert_log; 606 INSERT INTO main.t4 VALUES(11, 12, 13); 607 INSERT INTO temp.t4 VALUES(14, 15, 16); 608 INSERT INTO aux.t4 VALUES(17, 18, 19); 609 } 610 } {} 611 do_test trigger1-10.8 { 612 execsql { 613 SELECT * FROM insert_log; 614 } 615 } {main 11 12 13 temp 14 15 16 aux 17 18 19} 616 do_test trigger1-10.9 { 617 # Drop and re-create the insert_log table in a different database. Note 618 # that we can change the column names because the trigger programs don't 619 # use them explicitly. 620 execsql { 621 DROP TABLE insert_log; 622 CREATE TABLE aux.insert_log(db, d, e, f); 623 } 624 } {} 625 do_test trigger1-10.10 { 626 execsql { 627 INSERT INTO main.t4 VALUES(21, 22, 23); 628 INSERT INTO temp.t4 VALUES(24, 25, 26); 629 INSERT INTO aux.t4 VALUES(27, 28, 29); 630 } 631 } {} 632 do_test trigger1-10.11 { 633 execsql { 634 SELECT * FROM insert_log; 635 } 636 } {main 21 22 23 temp 24 25 26 aux 27 28 29} 637} 638 639do_test trigger1-11.1 { 640 catchsql {SELECT raise(abort,'message');} 641} {1 {RAISE() may only be used within a trigger-program}} 642 643do_test trigger1-15.1 { 644 execsql { 645 CREATE TABLE tA(a INTEGER PRIMARY KEY, b, c); 646 CREATE TRIGGER tA_trigger BEFORE UPDATE ON "tA" BEGIN SELECT 1; END; 647 INSERT INTO tA VALUES(1, 2, 3); 648 } 649 catchsql { UPDATE tA SET a = 'abc' } 650} {1 {datatype mismatch}} 651do_test trigger1-15.2 { 652 catchsql { INSERT INTO tA VALUES('abc', 2, 3) } 653} {1 {datatype mismatch}} 654 655# Ticket #3947: Do not allow qualified table names on INSERT, UPDATE, and 656# DELETE statements within triggers. Actually, this has never been allowed 657# by the grammar. But the error message is confusing: one simply gets a 658# "syntax error". That has now been changed to give a full error message. 659# 660do_test trigger1-16.1 { 661 db eval { 662 CREATE TABLE t16(a,b,c); 663 CREATE INDEX t16a ON t16(a); 664 CREATE INDEX t16b ON t16(b); 665 } 666 catchsql { 667 CREATE TRIGGER main.t16err1 AFTER INSERT ON tA BEGIN 668 INSERT INTO main.t16 VALUES(1,2,3); 669 END; 670 } 671} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} 672do_test trigger1-16.2 { 673 catchsql { 674 CREATE TRIGGER main.t16err2 AFTER INSERT ON tA BEGIN 675 UPDATE main.t16 SET rowid=rowid+1; 676 END; 677 } 678} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} 679do_test trigger1-16.3 { 680 catchsql { 681 CREATE TRIGGER main.t16err3 AFTER INSERT ON tA BEGIN 682 DELETE FROM main.t16; 683 END; 684 } 685} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} 686do_test trigger1-16.4 { 687 catchsql { 688 CREATE TRIGGER main.t16err4 AFTER INSERT ON tA BEGIN 689 UPDATE t16 NOT INDEXED SET rowid=rowid+1; 690 END; 691 } 692} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} 693do_test trigger1-16.5 { 694 catchsql { 695 CREATE TRIGGER main.t16err5 AFTER INSERT ON tA BEGIN 696 UPDATE t16 INDEXED BY t16a SET rowid=rowid+1 WHERE a=1; 697 END; 698 } 699} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} 700do_test trigger1-16.6 { 701 catchsql { 702 CREATE TRIGGER main.t16err6 AFTER INSERT ON tA BEGIN 703 DELETE FROM t16 NOT INDEXED WHERE a=123; 704 END; 705 } 706} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} 707do_test trigger1-16.7 { 708 catchsql { 709 CREATE TRIGGER main.t16err7 AFTER INSERT ON tA BEGIN 710 DELETE FROM t16 INDEXED BY t16a WHERE a=123; 711 END; 712 } 713} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} 714 715#------------------------------------------------------------------------- 716# Test that bug [34cd55d68e0e6e7c] has been fixed. 717# 718do_execsql_test trigger1-17.0 { 719 CREATE TABLE t17a(ii INT); 720 CREATE TABLE t17b(tt TEXT PRIMARY KEY, ss); 721 CREATE TRIGGER t17a_ai AFTER INSERT ON t17a BEGIN 722 INSERT INTO t17b(tt) VALUES(new.ii); 723 END; 724 CREATE TRIGGER t17b_ai AFTER INSERT ON t17b BEGIN 725 UPDATE t17b SET ss = 4; 726 END; 727 INSERT INTO t17a(ii) VALUES('1'); 728 PRAGMA integrity_check; 729} {ok} 730 731# 2018-04-26 732# When a BEFORE UPDATE trigger changes a column value in a row being 733# updated, and that column value is used by the UPDATE to change other 734# column, the value used to compute the update is from before the trigger. 735# In the example that follows, the value of "b" in "c=b" is 2 (the value 736# prior to running the BEFORE UPDATE trigger) not 1000. 737# 738do_execsql_test trigger1-18.0 { 739 CREATE TABLE t18(a PRIMARY KEY,b,c); 740 INSERT INTO t18(a,b,c) VALUES(1,2,3); 741 CREATE TRIGGER t18r1 BEFORE UPDATE ON t18 BEGIN 742 UPDATE t18 SET b=1000 WHERE a=old.a; 743 END; 744 UPDATE t18 SET c=b WHERE a=1; 745 SELECT * FROM t18; 746} {1 1000 2} ;# Not: 1 1000 1000 747do_execsql_test trigger1-18.1 { 748 DELETE FROM t18; 749 INSERT INTO t18(a,b,c) VALUES(1,2,3); 750 UPDATE t18 SET c=b, b=b+1 WHERE a=1; 751 SELECT * FROM t18; 752} {1 3 2} ;# Not: 1 1001 1000 753 754# 2018-04-26 ticket [https://www.sqlite.org/src/tktview/d85fffd6ffe856092e] 755# VDBE Program uses an expired value. 756# 757do_execsql_test trigger1-19.0 { 758 CREATE TABLE t19(a INT PRIMARY KEY, b, c)WITHOUT ROWID; 759 INSERT INTO t19(a,b,c) VALUES(1,2,3); 760 CREATE TRIGGER t19r3 BEFORE UPDATE ON t19 BEGIN SELECT new.b; END; 761 UPDATE t19 SET c=b WHERE a=1; 762 SELECT * FROM t19; 763} {1 2 2} 764do_execsql_test trigger1-19.1 { 765 DELETE FROM t19; 766 INSERT INTO t19(a,b,c) VALUES(1,2,3); 767 UPDATE t19 SET c=CASE WHEN b=2 THEN b ELSE b+99 END WHERE a=1; 768 SELECT * FROM t19; 769} {1 2 2} 770 771# 2019-08-26 Chromium sqlite3_fts3_lpm_fuzzer find. 772# 773db close 774sqlite3 db :memory: 775do_execsql_test trigger1-20.1 { 776 CREATE TABLE t20_1(x); 777 ATTACH ':memory:' AS aux; 778 CREATE TABLE aux.t20_2(y); 779 CREATE TABLE aux.t20_3(z); 780 CREATE TEMP TRIGGER r20_3 AFTER INSERT ON t20_2 BEGIN UPDATE t20_3 SET z=z+1; END; 781 DETACH aux; 782 DROP TRIGGER r20_3; 783} {} 784 785# 2019-10-24 ticket 50c09fc2cf0d91ce 786# 787db close 788sqlite3 db :memory: 789do_execsql_test trigger1-21.1 { 790 PRAGMA recursive_triggers = true; 791 CREATE TABLE t0(a, b, c UNIQUE); 792 CREATE UNIQUE INDEX i0 ON t0(b) WHERE a; 793 CREATE TRIGGER tr0 AFTER DELETE ON t0 BEGIN 794 DELETE FROM t0; 795 END; 796 INSERT INTO t0(a,b,c) VALUES(0,0,9),(1,1,1); 797 REPLACE INTO t0(a,b,c) VALUES(2,0,9); 798 SELECT * FROM t0; 799} {2 0 9} 800 801# 2020-01-04 From Yongheng 802# The test case below caused problems for the register validity 803# tracking logic. There was no bug in the release build. The 804# only problem was a false-positive in the register validity 805# tracking. 806# 807reset_db 808do_execsql_test trigger1-22.10 { 809 CREATE TABLE t1( 810 a INTEGER PRIMARY KEY, 811 b DOUBLE 812 ); 813 CREATE TRIGGER x AFTER UPDATE ON t1 BEGIN 814 SELECT sum(b)OVER(ORDER BY (SELECT b FROM t1 AS x 815 WHERE b IN (t1.a,127,t1.b) 816 GROUP BY b)) 817 FROM t1 818 GROUP BY a; 819 END; 820 CREATE TEMP TRIGGER x BEFORE INSERT ON t1 BEGIN 821 UPDATE t1 822 SET b=randomblob(10) 823 WHERE b >= 'E' 824 AND a < (SELECT a FROM t1 WHERE a<22 GROUP BY b); 825 END; 826 INSERT INTO t1(b) VALUES('Y'),('X'),('Z'); 827 SELECT a, CASE WHEN typeof(b)='text' THEN quote(b) ELSE '<blob>' END, '|' FROM t1; 828} {1 <blob> | 2 'X' | 3 'Z' |} 829 830finish_test 831