1 # The author disclaims copyright to this source code. In place of
2 # a legal notice, here is a blessing:
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.
8 #***********************************************************************
10 # This file tests creating and dropping triggers, and interaction thereof
11 # with the database COMMIT/ROLLBACK logic.
13 # 1. CREATE and DROP TRIGGER tests
14 # trig-1.1: Error if table does not exist
15 # trig-1.2: Error if trigger already exists
16 # trig-1.3: Created triggers are deleted if the transaction is rolled back
17 # trig-1.4: DROP TRIGGER removes trigger
18 # trig-1.5: Dropped triggers are restored if the transaction is rolled back
19 # trig-1.6: Error if dropped trigger doesn't exist
20 # trig-1.7: Dropping the table automatically drops all triggers
21 # trig-1.8: A trigger created on a TEMP table is not inserted into sqlite_master
22 # trig-1.9: Ensure that we cannot create a trigger on sqlite_master
25 # trig-1.12: Ensure that INSTEAD OF triggers cannot be created on tables
26 # trig-1.13: Ensure that AFTER triggers cannot be created on views
27 # trig-1.14: Ensure that BEFORE triggers cannot be created on views
30 set testdir [file dirname $argv0]
31 source $testdir/tester.tcl
32 ifcapable {!trigger} {
37 do_test trigger1-1.1.1 {
39 CREATE TRIGGER trig UPDATE ON no_such_table BEGIN
40 SELECT * from sqlite_master;
43 } {1 {no such table: main.no_such_table}}
46 do_test trigger1-1.1.2 {
48 CREATE TEMP TRIGGER trig UPDATE ON no_such_table BEGIN
49 SELECT * from sqlite_master;
52 } {1 {no such table: no_such_table}}
59 CREATE TRIGGER tr1 INSERT ON t1 BEGIN
60 INSERT INTO t1 values(1);
63 do_test trigger1-1.2 {
65 CREATE TRIGGER tr1 DELETE ON t1 BEGIN
66 SELECT * FROM sqlite_master;
69 } {1 {trigger tr1 already exists}}
71 do_test trigger1-1.3 {
74 CREATE TRIGGER tr2 INSERT ON t1 BEGIN
75 SELECT * from sqlite_master; END;
77 CREATE TRIGGER tr2 INSERT ON t1 BEGIN
78 SELECT * from sqlite_master; END;
82 do_test trigger1-1.4 {
85 CREATE TRIGGER tr1 DELETE ON t1 BEGIN
86 SELECT * FROM sqlite_master;
91 do_test trigger1-1.5 {
100 do_test trigger1-1.6 {
102 DROP TRIGGER biggles;
104 } {1 {no such trigger: biggles}}
106 do_test trigger1-1.7 {
111 } {1 {no such trigger: tr1}}
115 CREATE TEMP TABLE temp_table(a);
117 do_test trigger1-1.8 {
119 CREATE TRIGGER temp_trig UPDATE ON temp_table BEGIN
120 SELECT * from sqlite_master;
122 SELECT count(*) FROM sqlite_master WHERE name = 'temp_trig';
127 do_test trigger1-1.9 {
129 CREATE TRIGGER tr1 AFTER UPDATE ON sqlite_master BEGIN
130 SELECT * FROM sqlite_master;
133 } {1 {cannot create trigger on system table}}
135 # Check to make sure that a DELETE statement within the body of
136 # a trigger does not mess up the DELETE that caused the trigger to
137 # run in the first place.
139 do_test trigger1-1.10 {
141 create table t1(a,b);
142 insert into t1 values(1,'a');
143 insert into t1 values(2,'b');
144 insert into t1 values(3,'c');
145 insert into t1 values(4,'d');
146 create trigger r1 after delete on t1 for each row begin
147 delete from t1 WHERE a=old.a+2;
149 delete from t1 where a=1 OR a=3;
155 do_test trigger1-1.11 {
157 create table t1(a,b);
158 insert into t1 values(1,'a');
159 insert into t1 values(2,'b');
160 insert into t1 values(3,'c');
161 insert into t1 values(4,'d');
162 create trigger r1 after update on t1 for each row begin
163 delete from t1 WHERE a=old.a+2;
165 update t1 set b='x-' || b where a=1 OR a=3;
171 # Ensure that we cannot create INSTEAD OF triggers on tables
172 do_test trigger1-1.12 {
174 create table t1(a,b);
175 create trigger t1t instead of update on t1 for each row begin
176 delete from t1 WHERE a=old.a+2;
179 } {1 {cannot create INSTEAD OF trigger on table: main.t1}}
182 # Ensure that we cannot create BEFORE triggers on views
183 do_test trigger1-1.13 {
185 create view v1 as select * from t1;
186 create trigger v1t before update on v1 for each row begin
187 delete from t1 WHERE a=old.a+2;
190 } {1 {cannot create BEFORE trigger on view: main.v1}}
191 # Ensure that we cannot create AFTER triggers on views
192 do_test trigger1-1.14 {
195 create view v1 as select * from t1;
196 create trigger v1t AFTER update on v1 for each row begin
197 delete from t1 WHERE a=old.a+2;
200 } {1 {cannot create AFTER trigger on view: main.v1}}
203 # Check for memory leaks in the trigger parser
205 do_test trigger1-2.1 {
207 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
208 SELECT * FROM; -- Syntax error
211 } {1 {near ";": syntax error}}
212 do_test trigger1-2.2 {
214 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
216 SELECT * FROM; -- Syntax error
219 } {1 {near ";": syntax error}}
221 # Create a trigger that refers to a table that might not exist.
224 do_test trigger1-3.1 {
226 CREATE TEMP TABLE t2(x,y);
229 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
230 INSERT INTO t2 VALUES(NEW.a,NEW.b);
234 do_test trigger-3.2 {
236 INSERT INTO t1 VALUES(1,2);
239 } {1 {no such table: main.t2}}
240 do_test trigger-3.3 {
242 set rc [catch {sqlite3 db test.db} err]
243 if {$rc} {lappend rc $err}
246 do_test trigger-3.4 {
248 INSERT INTO t1 VALUES(1,2);
251 } {1 {no such table: main.t2}}
252 do_test trigger-3.5 {
254 CREATE TEMP TABLE t2(x,y);
255 INSERT INTO t1 VALUES(1,2);
258 } {1 {no such table: main.t2}}
259 do_test trigger-3.6 {
262 CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN
263 INSERT INTO t2 VALUES(NEW.a,NEW.b);
265 INSERT INTO t1 VALUES(1,2);
269 do_test trigger-3.7 {
272 CREATE TABLE t2(x,y);
277 # There are two versions of trigger-3.8 and trigger-3.9. One that uses
278 # compound SELECT statements, and another that does not.
280 do_test trigger1-3.8 {
282 INSERT INTO t1 VALUES(3,4);
283 SELECT * FROM t1 UNION ALL SELECT * FROM t2;
286 do_test trigger1-3.9 {
290 INSERT INTO t1 VALUES(5,6);
291 SELECT * FROM t1 UNION ALL SELECT * FROM t2;
294 } ;# ifcapable compound
295 ifcapable !compound {
296 do_test trigger1-3.8 {
298 INSERT INTO t1 VALUES(3,4);
303 do_test trigger1-3.9 {
307 INSERT INTO t1 VALUES(5,6);
312 } ;# ifcapable !compound
314 do_test trigger1-4.1 {
316 CREATE TEMP TRIGGER r1 BEFORE INSERT ON t1 BEGIN
317 INSERT INTO t2 VALUES(NEW.a,NEW.b);
319 INSERT INTO t1 VALUES(7,8);
323 do_test trigger1-4.2 {
326 INSERT INTO t1 VALUES(9,10);
333 do_test trigger1-4.3 {
339 do_test trigger1-4.4 {
348 CREATE TABLE t2(x,y);
350 INSERT INTO t2 VALUES(3, 4);
351 INSERT INTO t2 VALUES(7, 8);
356 integrity_check trigger1-5.1
358 # Create a trigger with the same name as a table. Make sure the
359 # trigger works. Then drop the trigger. Make sure the table is
364 set view_v1 {view v1}
366 do_test trigger1-6.1 {
367 execsql {SELECT type, name FROM sqlite_master}
368 } [concat $view_v1 {table t2}]
369 do_test trigger1-6.2 {
371 CREATE TRIGGER t2 BEFORE DELETE ON t2 BEGIN
372 SELECT RAISE(ABORT,'deletes are not allows');
374 SELECT type, name FROM sqlite_master;
376 } [concat $view_v1 {table t2 trigger t2}]
377 do_test trigger1-6.3 {
378 catchsql {DELETE FROM t2}
379 } {1 {deletes are not allows}}
380 do_test trigger1-6.4 {
381 execsql {SELECT * FROM t2}
383 do_test trigger1-6.5 {
386 execsql {SELECT type, name FROM sqlite_master}
387 } [concat $view_v1 {table t2 trigger t2}]
388 do_test trigger1-6.6 {
391 SELECT type, name FROM sqlite_master;
393 } [concat $view_v1 {table t2}]
394 do_test trigger1-6.7 {
395 execsql {SELECT * FROM t2}
397 do_test trigger1-6.8 {
400 execsql {SELECT * FROM t2}
403 integrity_check trigger-7.1
405 # Check to make sure the name of a trigger can be quoted so that keywords
406 # can be used as trigger names. Ticket #468
408 do_test trigger1-8.1 {
410 CREATE TRIGGER 'trigger' AFTER INSERT ON t2 BEGIN SELECT 1; END;
411 SELECT name FROM sqlite_master WHERE type='trigger';
414 do_test trigger1-8.2 {
416 DROP TRIGGER 'trigger';
417 SELECT name FROM sqlite_master WHERE type='trigger';
420 do_test trigger1-8.3 {
422 CREATE TRIGGER "trigger" AFTER INSERT ON t2 BEGIN SELECT 1; END;
423 SELECT name FROM sqlite_master WHERE type='trigger';
426 do_test trigger1-8.4 {
428 DROP TRIGGER "trigger";
429 SELECT name FROM sqlite_master WHERE type='trigger';
432 do_test trigger1-8.5 {
434 CREATE TRIGGER [trigger] AFTER INSERT ON t2 BEGIN SELECT 1; END;
435 SELECT name FROM sqlite_master WHERE type='trigger';
438 do_test trigger1-8.6 {
440 DROP TRIGGER [trigger];
441 SELECT name FROM sqlite_master WHERE type='trigger';
445 # Make sure REPLACE works inside of triggers.
447 # There are two versions of trigger-9.1 and trigger-9.2. One that uses
448 # compound SELECT statements, and another that does not.
450 do_test trigger1-9.1 {
452 CREATE TABLE t3(a,b);
453 CREATE TABLE t4(x UNIQUE, b);
454 CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN
455 REPLACE INTO t4 VALUES(new.a,new.b);
457 INSERT INTO t3 VALUES(1,2);
458 SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4;
461 do_test trigger1-9.2 {
463 INSERT INTO t3 VALUES(1,3);
464 SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4;
466 } {1 2 1 3 99 99 1 3}
468 ifcapable !compound {
469 do_test trigger1-9.1 {
471 CREATE TABLE t3(a,b);
472 CREATE TABLE t4(x UNIQUE, b);
473 CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN
474 REPLACE INTO t4 VALUES(new.a,new.b);
476 INSERT INTO t3 VALUES(1,2);
477 SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4;
480 do_test trigger1-9.2 {
482 INSERT INTO t3 VALUES(1,3);
483 SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4;
485 } {1 2 1 3 99 99 1 3}
494 # Ticket #764. At one stage TEMP triggers would fail to re-install when the
495 # schema was reloaded. The following tests ensure that TEMP triggers are
496 # correctly re-installed.
498 # Also verify that references within trigger programs are resolved at
499 # statement compile time, not trigger installation time. This means, for
500 # example, that you can drop and re-create tables referenced by triggers.
502 do_test trigger1-10.0 {
503 file delete -force test2.db
504 file delete -force test2.db-journal
506 ATTACH 'test2.db' AS aux;
509 do_test trigger1-10.1 {
511 CREATE TABLE main.t4(a, b, c);
512 CREATE TABLE temp.t4(a, b, c);
513 CREATE TABLE aux.t4(a, b, c);
514 CREATE TABLE insert_log(db, a, b, c);
517 do_test trigger1-10.2 {
519 CREATE TEMP TRIGGER trig1 AFTER INSERT ON main.t4 BEGIN
520 INSERT INTO insert_log VALUES('main', new.a, new.b, new.c);
522 CREATE TEMP TRIGGER trig2 AFTER INSERT ON temp.t4 BEGIN
523 INSERT INTO insert_log VALUES('temp', new.a, new.b, new.c);
525 CREATE TEMP TRIGGER trig3 AFTER INSERT ON aux.t4 BEGIN
526 INSERT INTO insert_log VALUES('aux', new.a, new.b, new.c);
530 do_test trigger1-10.3 {
532 INSERT INTO main.t4 VALUES(1, 2, 3);
533 INSERT INTO temp.t4 VALUES(4, 5, 6);
534 INSERT INTO aux.t4 VALUES(7, 8, 9);
537 do_test trigger1-10.4 {
539 SELECT * FROM insert_log;
541 } {main 1 2 3 temp 4 5 6 aux 7 8 9}
542 do_test trigger1-10.5 {
545 INSERT INTO main.t4 VALUES(1, 2, 3);
546 INSERT INTO temp.t4 VALUES(4, 5, 6);
547 INSERT INTO aux.t4 VALUES(7, 8, 9);
551 do_test trigger1-10.6 {
553 SELECT * FROM insert_log;
555 } {main 1 2 3 temp 4 5 6 aux 7 8 9}
556 do_test trigger1-10.7 {
558 DELETE FROM insert_log;
559 INSERT INTO main.t4 VALUES(11, 12, 13);
560 INSERT INTO temp.t4 VALUES(14, 15, 16);
561 INSERT INTO aux.t4 VALUES(17, 18, 19);
564 do_test trigger1-10.8 {
566 SELECT * FROM insert_log;
568 } {main 11 12 13 temp 14 15 16 aux 17 18 19}
569 do_test trigger1-10.8 {
570 # Drop and re-create the insert_log table in a different database. Note
571 # that we can change the column names because the trigger programs don't
572 # use them explicitly.
574 DROP TABLE insert_log;
575 CREATE TABLE aux.insert_log(db, d, e, f);
578 do_test trigger1-10.10 {
580 INSERT INTO main.t4 VALUES(21, 22, 23);
581 INSERT INTO temp.t4 VALUES(24, 25, 26);
582 INSERT INTO aux.t4 VALUES(27, 28, 29);
585 do_test trigger1-10.11 {
587 SELECT * FROM insert_log;
589 } {main 21 22 23 temp 24 25 26 aux 27 28 29}