# The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # # This file tests creating and dropping triggers, and interaction thereof # with the database COMMIT/ROLLBACK logic. # # 1. CREATE and DROP TRIGGER tests # trig-1.1: Error if table does not exist # trig-1.2: Error if trigger already exists # trig-1.3: Created triggers are deleted if the transaction is rolled back # trig-1.4: DROP TRIGGER removes trigger # trig-1.5: Dropped triggers are restored if the transaction is rolled back # trig-1.6: Error if dropped trigger doesn't exist # trig-1.7: Dropping the table automatically drops all triggers # trig-1.8: A trigger created on a TEMP table is not inserted into sqlite_master # trig-1.9: Ensure that we cannot create a trigger on sqlite_master # trig-1.10: # trig-1.11: # trig-1.12: Ensure that INSTEAD OF triggers cannot be created on tables # trig-1.13: Ensure that AFTER triggers cannot be created on views # trig-1.14: Ensure that BEFORE triggers cannot be created on views # set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable {!trigger} { finish_test return } do_test trigger1-1.1.1 { catchsql { CREATE TRIGGER trig UPDATE ON no_such_table BEGIN SELECT * from sqlite_master; END; } } {1 {no such table: main.no_such_table}} ifcapable tempdb { do_test trigger1-1.1.2 { catchsql { CREATE TEMP TRIGGER trig UPDATE ON no_such_table BEGIN SELECT * from sqlite_master; END; } } {1 {no such table: no_such_table}} } execsql { CREATE TABLE t1(a); } do_test trigger1-1.1.3 { catchsql { CREATE TRIGGER trig UPDATE ON t1 FOR EACH STATEMENT BEGIN SELECT * FROM sqlite_master; END; } } {1 {near "STATEMENT": syntax error}} execsql { CREATE TRIGGER tr1 INSERT ON t1 BEGIN INSERT INTO t1 values(1); END; } do_test trigger1-1.2.0 { catchsql { CREATE TRIGGER IF NOT EXISTS tr1 DELETE ON t1 BEGIN SELECT * FROM sqlite_master; END } } {0 {}} do_test trigger1-1.2.1 { catchsql { CREATE TRIGGER tr1 DELETE ON t1 BEGIN SELECT * FROM sqlite_master; END } } {1 {trigger tr1 already exists}} do_test trigger1-1.2.2 { catchsql { CREATE TRIGGER "tr1" DELETE ON t1 BEGIN SELECT * FROM sqlite_master; END } } {1 {trigger "tr1" already exists}} do_test trigger1-1.2.3 { catchsql { CREATE TRIGGER [tr1] DELETE ON t1 BEGIN SELECT * FROM sqlite_master; END } } {1 {trigger [tr1] already exists}} do_test trigger1-1.3 { catchsql { BEGIN; CREATE TRIGGER tr2 INSERT ON t1 BEGIN SELECT * from sqlite_master; END; ROLLBACK; CREATE TRIGGER tr2 INSERT ON t1 BEGIN SELECT * from sqlite_master; END; } } {0 {}} do_test trigger1-1.4 { catchsql { DROP TRIGGER IF EXISTS tr1; CREATE TRIGGER tr1 DELETE ON t1 BEGIN SELECT * FROM sqlite_master; END } } {0 {}} do_test trigger1-1.5 { execsql { BEGIN; DROP TRIGGER tr2; ROLLBACK; DROP TRIGGER tr2; } } {} do_test trigger1-1.6.1 { catchsql { DROP TRIGGER IF EXISTS biggles; } } {0 {}} do_test trigger1-1.6.2 { catchsql { DROP TRIGGER biggles; } } {1 {no such trigger: biggles}} do_test trigger1-1.7 { catchsql { DROP TABLE t1; DROP TRIGGER tr1; } } {1 {no such trigger: tr1}} ifcapable tempdb { execsql { CREATE TEMP TABLE temp_table(a); } do_test trigger1-1.8 { execsql { CREATE TRIGGER temp_trig UPDATE ON temp_table BEGIN SELECT * from sqlite_master; END; SELECT count(*) FROM sqlite_master WHERE name = 'temp_trig'; } } {0} } do_test trigger1-1.9 { catchsql { CREATE TRIGGER tr1 AFTER UPDATE ON sqlite_master BEGIN SELECT * FROM sqlite_master; END; } } {1 {cannot create trigger on system table}} # Check to make sure that a DELETE statement within the body of # a trigger does not mess up the DELETE that caused the trigger to # run in the first place. # do_test trigger1-1.10 { execsql { create table t1(a,b); insert into t1 values(1,'a'); insert into t1 values(2,'b'); insert into t1 values(3,'c'); insert into t1 values(4,'d'); create trigger r1 after delete on t1 for each row begin delete from t1 WHERE a=old.a+2; end; delete from t1 where a=1 OR a=3; select * from t1; drop table t1; } } {2 b 4 d} do_test trigger1-1.11 { execsql { create table t1(a,b); insert into t1 values(1,'a'); insert into t1 values(2,'b'); insert into t1 values(3,'c'); insert into t1 values(4,'d'); create trigger r1 after update on t1 for each row begin delete from t1 WHERE a=old.a+2; end; update t1 set b='x-' || b where a=1 OR a=3; select * from t1; drop table t1; } } {1 x-a 2 b 4 d} # Ensure that we cannot create INSTEAD OF triggers on tables do_test trigger1-1.12 { catchsql { create table t1(a,b); create trigger t1t instead of update on t1 for each row begin delete from t1 WHERE a=old.a+2; end; } } {1 {cannot create INSTEAD OF trigger on table: main.t1}} ifcapable view { # Ensure that we cannot create BEFORE triggers on views do_test trigger1-1.13 { catchsql { create view v1 as select * from t1; create trigger v1t before update on v1 for each row begin delete from t1 WHERE a=old.a+2; end; } } {1 {cannot create BEFORE trigger on view: main.v1}} # Ensure that we cannot create AFTER triggers on views do_test trigger1-1.14 { catchsql { drop view v1; create view v1 as select * from t1; create trigger v1t AFTER update on v1 for each row begin delete from t1 WHERE a=old.a+2; end; } } {1 {cannot create AFTER trigger on view: main.v1}} } ;# ifcapable view # Check for memory leaks in the trigger parser # do_test trigger1-2.1 { catchsql { CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN SELECT * FROM; -- Syntax error END; } } {1 {near ";": syntax error}} do_test trigger1-2.2 { catchsql { CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN SELECT * FROM t1; SELECT * FROM; -- Syntax error END; } } {1 {near ";": syntax error}} # Create a trigger that refers to a table that might not exist. # ifcapable tempdb { do_test trigger1-3.1 { execsql { CREATE TEMP TABLE t2(x,y); } catchsql { CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN INSERT INTO t2 VALUES(NEW.a,NEW.b); END; } } {0 {}} do_test trigger-3.2 { catchsql { INSERT INTO t1 VALUES(1,2); SELECT * FROM t2; } } {1 {no such table: main.t2}} do_test trigger-3.3 { db close set rc [catch {sqlite3 db test.db} err] if {$rc} {lappend rc $err} set rc } {0} do_test trigger-3.4 { catchsql { INSERT INTO t1 VALUES(1,2); SELECT * FROM t2; } } {1 {no such table: main.t2}} do_test trigger-3.5 { catchsql { CREATE TEMP TABLE t2(x,y); INSERT INTO t1 VALUES(1,2); SELECT * FROM t2; } } {1 {no such table: main.t2}} do_test trigger-3.6 { catchsql { DROP TRIGGER r1; CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN INSERT INTO t2 VALUES(NEW.a,NEW.b); END; INSERT INTO t1 VALUES(1,2); SELECT * FROM t2; } } {0 {1 2}} do_test trigger-3.7 { execsql { DROP TABLE t2; CREATE TABLE t2(x,y); SELECT * FROM t2; } } {} # There are two versions of trigger-3.8 and trigger-3.9. One that uses # compound SELECT statements, and another that does not. ifcapable compound { do_test trigger1-3.8 { execsql { INSERT INTO t1 VALUES(3,4); SELECT * FROM t1 UNION ALL SELECT * FROM t2; } } {1 2 3 4 3 4} do_test trigger1-3.9 { db close sqlite3 db test.db execsql { INSERT INTO t1 VALUES(5,6); SELECT * FROM t1 UNION ALL SELECT * FROM t2; } } {1 2 3 4 5 6 3 4} } ;# ifcapable compound ifcapable !compound { do_test trigger1-3.8 { execsql { INSERT INTO t1 VALUES(3,4); SELECT * FROM t1; SELECT * FROM t2; } } {1 2 3 4 3 4} do_test trigger1-3.9 { db close sqlite3 db test.db execsql { INSERT INTO t1 VALUES(5,6); SELECT * FROM t1; SELECT * FROM t2; } } {1 2 3 4 5 6 3 4} } ;# ifcapable !compound do_test trigger1-4.1 { execsql { CREATE TEMP TRIGGER r1 BEFORE INSERT ON t1 BEGIN INSERT INTO t2 VALUES(NEW.a,NEW.b); END; INSERT INTO t1 VALUES(7,8); SELECT * FROM t2; } } {3 4 7 8} do_test trigger1-4.2 { sqlite3 db2 test.db execsql { INSERT INTO t1 VALUES(9,10); } db2; db2 close execsql { SELECT * FROM t2; } } {3 4 7 8} do_test trigger1-4.3 { execsql { DROP TABLE t1; SELECT * FROM t2; }; } {3 4 7 8} do_test trigger1-4.4 { db close sqlite3 db test.db execsql { SELECT * FROM t2; }; } {3 4 7 8} } else { execsql { CREATE TABLE t2(x,y); DROP TABLE t1; INSERT INTO t2 VALUES(3, 4); INSERT INTO t2 VALUES(7, 8); } } integrity_check trigger1-5.1 # Create a trigger with the same name as a table. Make sure the # trigger works. Then drop the trigger. Make sure the table is # still there. # set view_v1 {} ifcapable view { set view_v1 {view v1} } do_test trigger1-6.1 { execsql {SELECT type, name FROM sqlite_master} } [concat $view_v1 {table t2}] do_test trigger1-6.2 { execsql { CREATE TRIGGER t2 BEFORE DELETE ON t2 BEGIN SELECT RAISE(ABORT,'deletes are not permitted'); END; SELECT type, name FROM sqlite_master; } } [concat $view_v1 {table t2 trigger t2}] do_test trigger1-6.3 { catchsql {DELETE FROM t2} } {1 {deletes are not permitted}} do_test trigger1-6.4 { execsql {SELECT * FROM t2} } {3 4 7 8} do_test trigger1-6.5 { db close sqlite3 db test.db execsql {SELECT type, name FROM sqlite_master} } [concat $view_v1 {table t2 trigger t2}] do_test trigger1-6.6 { execsql { DROP TRIGGER t2; SELECT type, name FROM sqlite_master; } } [concat $view_v1 {table t2}] do_test trigger1-6.7 { execsql {SELECT * FROM t2} } {3 4 7 8} do_test trigger1-6.8 { db close sqlite3 db test.db execsql {SELECT * FROM t2} } {3 4 7 8} integrity_check trigger-7.1 # Check to make sure the name of a trigger can be quoted so that keywords # can be used as trigger names. Ticket #468 # do_test trigger1-8.1 { execsql { CREATE TRIGGER 'trigger' AFTER INSERT ON t2 BEGIN SELECT 1; END; SELECT name FROM sqlite_master WHERE type='trigger'; } } {trigger} do_test trigger1-8.2 { execsql { DROP TRIGGER 'trigger'; SELECT name FROM sqlite_master WHERE type='trigger'; } } {} do_test trigger1-8.3 { execsql { CREATE TRIGGER "trigger" AFTER INSERT ON t2 BEGIN SELECT 1; END; SELECT name FROM sqlite_master WHERE type='trigger'; } } {trigger} do_test trigger1-8.4 { execsql { DROP TRIGGER "trigger"; SELECT name FROM sqlite_master WHERE type='trigger'; } } {} do_test trigger1-8.5 { execsql { CREATE TRIGGER [trigger] AFTER INSERT ON t2 BEGIN SELECT 1; END; SELECT name FROM sqlite_master WHERE type='trigger'; } } {trigger} do_test trigger1-8.6 { execsql { DROP TRIGGER [trigger]; SELECT name FROM sqlite_master WHERE type='trigger'; } } {} ifcapable conflict { # Make sure REPLACE works inside of triggers. # # There are two versions of trigger-9.1 and trigger-9.2. One that uses # compound SELECT statements, and another that does not. ifcapable compound { do_test trigger1-9.1 { execsql { CREATE TABLE t3(a,b); CREATE TABLE t4(x UNIQUE, b); CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN REPLACE INTO t4 VALUES(new.a,new.b); END; INSERT INTO t3 VALUES(1,2); SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; } } {1 2 99 99 1 2} do_test trigger1-9.2 { execsql { INSERT INTO t3 VALUES(1,3); SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; } } {1 2 1 3 99 99 1 3} } else { do_test trigger1-9.1 { execsql { CREATE TABLE t3(a,b); CREATE TABLE t4(x UNIQUE, b); CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN REPLACE INTO t4 VALUES(new.a,new.b); END; INSERT INTO t3 VALUES(1,2); SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; } } {1 2 99 99 1 2} do_test trigger1-9.2 { execsql { INSERT INTO t3 VALUES(1,3); SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; } } {1 2 1 3 99 99 1 3} } execsql { DROP TABLE t3; DROP TABLE t4; } } # Ticket #764. At one stage TEMP triggers would fail to re-install when the # schema was reloaded. The following tests ensure that TEMP triggers are # correctly re-installed. # # Also verify that references within trigger programs are resolved at # statement compile time, not trigger installation time. This means, for # example, that you can drop and re-create tables referenced by triggers. ifcapable tempdb&&attach { do_test trigger1-10.0 { file delete -force test2.db file delete -force test2.db-journal execsql { ATTACH 'test2.db' AS aux; } } {} do_test trigger1-10.1 { execsql { CREATE TABLE main.t4(a, b, c); CREATE TABLE temp.t4(a, b, c); CREATE TABLE aux.t4(a, b, c); CREATE TABLE insert_log(db, a, b, c); } } {} do_test trigger1-10.2 { execsql { CREATE TEMP TRIGGER trig1 AFTER INSERT ON main.t4 BEGIN INSERT INTO insert_log VALUES('main', new.a, new.b, new.c); END; CREATE TEMP TRIGGER trig2 AFTER INSERT ON temp.t4 BEGIN INSERT INTO insert_log VALUES('temp', new.a, new.b, new.c); END; CREATE TEMP TRIGGER trig3 AFTER INSERT ON aux.t4 BEGIN INSERT INTO insert_log VALUES('aux', new.a, new.b, new.c); END; } } {} do_test trigger1-10.3 { execsql { INSERT INTO main.t4 VALUES(1, 2, 3); INSERT INTO temp.t4 VALUES(4, 5, 6); INSERT INTO aux.t4 VALUES(7, 8, 9); } } {} do_test trigger1-10.4 { execsql { SELECT * FROM insert_log; } } {main 1 2 3 temp 4 5 6 aux 7 8 9} do_test trigger1-10.5 { execsql { BEGIN; INSERT INTO main.t4 VALUES(1, 2, 3); INSERT INTO temp.t4 VALUES(4, 5, 6); INSERT INTO aux.t4 VALUES(7, 8, 9); ROLLBACK; } } {} do_test trigger1-10.6 { execsql { SELECT * FROM insert_log; } } {main 1 2 3 temp 4 5 6 aux 7 8 9} do_test trigger1-10.7 { execsql { DELETE FROM insert_log; INSERT INTO main.t4 VALUES(11, 12, 13); INSERT INTO temp.t4 VALUES(14, 15, 16); INSERT INTO aux.t4 VALUES(17, 18, 19); } } {} do_test trigger1-10.8 { execsql { SELECT * FROM insert_log; } } {main 11 12 13 temp 14 15 16 aux 17 18 19} do_test trigger1-10.8 { # Drop and re-create the insert_log table in a different database. Note # that we can change the column names because the trigger programs don't # use them explicitly. execsql { DROP TABLE insert_log; CREATE TABLE aux.insert_log(db, d, e, f); } } {} do_test trigger1-10.10 { execsql { INSERT INTO main.t4 VALUES(21, 22, 23); INSERT INTO temp.t4 VALUES(24, 25, 26); INSERT INTO aux.t4 VALUES(27, 28, 29); } } {} do_test trigger1-10.11 { execsql { SELECT * FROM insert_log; } } {main 21 22 23 temp 24 25 26 aux 27 28 29} } do_test trigger1-11.1 { catchsql {SELECT raise(abort,'message');} } {1 {RAISE() may only be used within a trigger-program}} do_test trigger1-15.1 { execsql { CREATE TABLE tA(a INTEGER PRIMARY KEY, b, c); CREATE TRIGGER tA_trigger BEFORE UPDATE ON "tA" BEGIN SELECT 1; END; INSERT INTO tA VALUES(1, 2, 3); } catchsql { UPDATE tA SET a = 'abc' } } {1 {datatype mismatch}} do_test trigger1-15.2 { catchsql { INSERT INTO tA VALUES('abc', 2, 3) } } {1 {datatype mismatch}} # Ticket #3947: Do not allow qualified table names on INSERT, UPDATE, and # DELETE statements within triggers. Actually, this has never been allowed # by the grammar. But the error message is confusing: one simply gets a # "syntax error". That has now been changed to give a full error message. # do_test trigger1-16.1 { db eval { CREATE TABLE t16(a,b,c); CREATE INDEX t16a ON t16(a); CREATE INDEX t16b ON t16(b); } catchsql { CREATE TRIGGER main.t16err1 AFTER INSERT ON tA BEGIN INSERT INTO main.t16 VALUES(1,2,3); END; } } {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} do_test trigger1-16.2 { catchsql { CREATE TRIGGER main.t16err2 AFTER INSERT ON tA BEGIN UPDATE main.t16 SET rowid=rowid+1; END; } } {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} do_test trigger1-16.3 { catchsql { CREATE TRIGGER main.t16err3 AFTER INSERT ON tA BEGIN DELETE FROM main.t16; END; } } {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} do_test trigger1-16.4 { catchsql { CREATE TRIGGER main.t16err4 AFTER INSERT ON tA BEGIN UPDATE t16 NOT INDEXED SET rowid=rowid+1; END; } } {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} do_test trigger1-16.5 { catchsql { CREATE TRIGGER main.t16err5 AFTER INSERT ON tA BEGIN UPDATE t16 INDEXED BY t16a SET rowid=rowid+1 WHERE a=1; END; } } {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} do_test trigger1-16.6 { catchsql { CREATE TRIGGER main.t16err6 AFTER INSERT ON tA BEGIN DELETE FROM t16 NOT INDEXED WHERE a=123; END; } } {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} do_test trigger1-16.7 { catchsql { CREATE TRIGGER main.t16err7 AFTER INSERT ON tA BEGIN DELETE FROM t16 INDEXED BY t16a WHERE a=123; END; } } {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} finish_test