703 lines
18 KiB
Plaintext
703 lines
18 KiB
Plaintext
# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file tests creating and dropping triggers, and interaction thereof
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# with the database COMMIT/ROLLBACK logic.
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#
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# 1. CREATE and DROP TRIGGER tests
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# trig-1.1: Error if table does not exist
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# trig-1.2: Error if trigger already exists
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# trig-1.3: Created triggers are deleted if the transaction is rolled back
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# trig-1.4: DROP TRIGGER removes trigger
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# trig-1.5: Dropped triggers are restored if the transaction is rolled back
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# trig-1.6: Error if dropped trigger doesn't exist
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# trig-1.7: Dropping the table automatically drops all triggers
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# trig-1.8: A trigger created on a TEMP table is not inserted into sqlite_master
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# trig-1.9: Ensure that we cannot create a trigger on sqlite_master
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# trig-1.10:
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# trig-1.11:
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# trig-1.12: Ensure that INSTEAD OF triggers cannot be created on tables
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# trig-1.13: Ensure that AFTER triggers cannot be created on views
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# trig-1.14: Ensure that BEFORE triggers cannot be created on views
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable {!trigger} {
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finish_test
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return
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}
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do_test trigger1-1.1.1 {
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catchsql {
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CREATE TRIGGER trig UPDATE ON no_such_table BEGIN
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SELECT * from sqlite_master;
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END;
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}
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} {1 {no such table: main.no_such_table}}
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ifcapable tempdb {
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do_test trigger1-1.1.2 {
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catchsql {
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CREATE TEMP TRIGGER trig UPDATE ON no_such_table BEGIN
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SELECT * from sqlite_master;
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END;
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}
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} {1 {no such table: no_such_table}}
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}
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execsql {
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CREATE TABLE t1(a);
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}
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do_test trigger1-1.1.3 {
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catchsql {
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CREATE TRIGGER trig UPDATE ON t1 FOR EACH STATEMENT BEGIN
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SELECT * FROM sqlite_master;
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END;
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}
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} {1 {near "STATEMENT": syntax error}}
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execsql {
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CREATE TRIGGER tr1 INSERT ON t1 BEGIN
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INSERT INTO t1 values(1);
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END;
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}
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do_test trigger1-1.2.0 {
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catchsql {
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CREATE TRIGGER IF NOT EXISTS tr1 DELETE ON t1 BEGIN
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SELECT * FROM sqlite_master;
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END
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}
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} {0 {}}
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do_test trigger1-1.2.1 {
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catchsql {
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CREATE TRIGGER tr1 DELETE ON t1 BEGIN
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SELECT * FROM sqlite_master;
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END
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}
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} {1 {trigger tr1 already exists}}
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do_test trigger1-1.2.2 {
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catchsql {
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CREATE TRIGGER "tr1" DELETE ON t1 BEGIN
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SELECT * FROM sqlite_master;
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END
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}
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} {1 {trigger "tr1" already exists}}
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do_test trigger1-1.2.3 {
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catchsql {
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CREATE TRIGGER [tr1] DELETE ON t1 BEGIN
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SELECT * FROM sqlite_master;
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END
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}
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} {1 {trigger [tr1] already exists}}
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do_test trigger1-1.3 {
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catchsql {
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BEGIN;
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CREATE TRIGGER tr2 INSERT ON t1 BEGIN
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SELECT * from sqlite_master; END;
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ROLLBACK;
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CREATE TRIGGER tr2 INSERT ON t1 BEGIN
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SELECT * from sqlite_master; END;
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}
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} {0 {}}
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do_test trigger1-1.4 {
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catchsql {
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DROP TRIGGER IF EXISTS tr1;
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CREATE TRIGGER tr1 DELETE ON t1 BEGIN
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SELECT * FROM sqlite_master;
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END
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}
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} {0 {}}
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do_test trigger1-1.5 {
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execsql {
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BEGIN;
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DROP TRIGGER tr2;
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ROLLBACK;
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DROP TRIGGER tr2;
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}
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} {}
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do_test trigger1-1.6.1 {
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catchsql {
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DROP TRIGGER IF EXISTS biggles;
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}
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} {0 {}}
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do_test trigger1-1.6.2 {
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catchsql {
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DROP TRIGGER biggles;
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}
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} {1 {no such trigger: biggles}}
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do_test trigger1-1.7 {
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catchsql {
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DROP TABLE t1;
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DROP TRIGGER tr1;
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}
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} {1 {no such trigger: tr1}}
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ifcapable tempdb {
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execsql {
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CREATE TEMP TABLE temp_table(a);
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}
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do_test trigger1-1.8 {
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execsql {
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CREATE TRIGGER temp_trig UPDATE ON temp_table BEGIN
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SELECT * from sqlite_master;
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END;
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SELECT count(*) FROM sqlite_master WHERE name = 'temp_trig';
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}
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} {0}
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}
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do_test trigger1-1.9 {
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catchsql {
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CREATE TRIGGER tr1 AFTER UPDATE ON sqlite_master BEGIN
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SELECT * FROM sqlite_master;
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END;
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}
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} {1 {cannot create trigger on system table}}
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# Check to make sure that a DELETE statement within the body of
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# a trigger does not mess up the DELETE that caused the trigger to
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# run in the first place.
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#
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do_test trigger1-1.10 {
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execsql {
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create table t1(a,b);
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insert into t1 values(1,'a');
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insert into t1 values(2,'b');
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insert into t1 values(3,'c');
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insert into t1 values(4,'d');
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create trigger r1 after delete on t1 for each row begin
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delete from t1 WHERE a=old.a+2;
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end;
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delete from t1 where a=1 OR a=3;
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select * from t1;
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drop table t1;
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}
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} {2 b 4 d}
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do_test trigger1-1.11 {
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execsql {
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create table t1(a,b);
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insert into t1 values(1,'a');
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insert into t1 values(2,'b');
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insert into t1 values(3,'c');
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insert into t1 values(4,'d');
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create trigger r1 after update on t1 for each row begin
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delete from t1 WHERE a=old.a+2;
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end;
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update t1 set b='x-' || b where a=1 OR a=3;
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select * from t1;
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drop table t1;
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}
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} {1 x-a 2 b 4 d}
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# Ensure that we cannot create INSTEAD OF triggers on tables
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do_test trigger1-1.12 {
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catchsql {
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create table t1(a,b);
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create trigger t1t instead of update on t1 for each row begin
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delete from t1 WHERE a=old.a+2;
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end;
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}
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} {1 {cannot create INSTEAD OF trigger on table: main.t1}}
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ifcapable view {
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# Ensure that we cannot create BEFORE triggers on views
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do_test trigger1-1.13 {
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catchsql {
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create view v1 as select * from t1;
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create trigger v1t before update on v1 for each row begin
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delete from t1 WHERE a=old.a+2;
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end;
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}
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} {1 {cannot create BEFORE trigger on view: main.v1}}
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# Ensure that we cannot create AFTER triggers on views
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do_test trigger1-1.14 {
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catchsql {
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drop view v1;
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create view v1 as select * from t1;
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create trigger v1t AFTER update on v1 for each row begin
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delete from t1 WHERE a=old.a+2;
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end;
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}
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} {1 {cannot create AFTER trigger on view: main.v1}}
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} ;# ifcapable view
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# Check for memory leaks in the trigger parser
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#
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do_test trigger1-2.1 {
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catchsql {
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CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
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SELECT * FROM; -- Syntax error
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END;
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}
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} {1 {near ";": syntax error}}
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do_test trigger1-2.2 {
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catchsql {
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CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
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SELECT * FROM t1;
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SELECT * FROM; -- Syntax error
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END;
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}
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} {1 {near ";": syntax error}}
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# Create a trigger that refers to a table that might not exist.
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#
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ifcapable tempdb {
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do_test trigger1-3.1 {
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execsql {
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CREATE TEMP TABLE t2(x,y);
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}
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catchsql {
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CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
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INSERT INTO t2 VALUES(NEW.a,NEW.b);
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END;
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}
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} {0 {}}
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do_test trigger-3.2 {
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catchsql {
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INSERT INTO t1 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {1 {no such table: main.t2}}
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do_test trigger-3.3 {
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db close
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set rc [catch {sqlite3 db test.db} err]
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if {$rc} {lappend rc $err}
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set rc
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} {0}
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do_test trigger-3.4 {
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catchsql {
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INSERT INTO t1 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {1 {no such table: main.t2}}
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do_test trigger-3.5 {
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catchsql {
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CREATE TEMP TABLE t2(x,y);
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INSERT INTO t1 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {1 {no such table: main.t2}}
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do_test trigger-3.6 {
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catchsql {
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DROP TRIGGER r1;
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CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN
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INSERT INTO t2 VALUES(NEW.a,NEW.b);
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END;
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INSERT INTO t1 VALUES(1,2);
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SELECT * FROM t2;
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}
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} {0 {1 2}}
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do_test trigger-3.7 {
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execsql {
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DROP TABLE t2;
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CREATE TABLE t2(x,y);
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SELECT * FROM t2;
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}
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} {}
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# There are two versions of trigger-3.8 and trigger-3.9. One that uses
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# compound SELECT statements, and another that does not.
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ifcapable compound {
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do_test trigger1-3.8 {
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execsql {
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INSERT INTO t1 VALUES(3,4);
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SELECT * FROM t1 UNION ALL SELECT * FROM t2;
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}
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} {1 2 3 4 3 4}
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do_test trigger1-3.9 {
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db close
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sqlite3 db test.db
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execsql {
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INSERT INTO t1 VALUES(5,6);
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SELECT * FROM t1 UNION ALL SELECT * FROM t2;
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}
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} {1 2 3 4 5 6 3 4}
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} ;# ifcapable compound
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ifcapable !compound {
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do_test trigger1-3.8 {
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execsql {
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INSERT INTO t1 VALUES(3,4);
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SELECT * FROM t1;
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SELECT * FROM t2;
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}
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} {1 2 3 4 3 4}
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do_test trigger1-3.9 {
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db close
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sqlite3 db test.db
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execsql {
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INSERT INTO t1 VALUES(5,6);
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SELECT * FROM t1;
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SELECT * FROM t2;
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}
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} {1 2 3 4 5 6 3 4}
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} ;# ifcapable !compound
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do_test trigger1-4.1 {
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execsql {
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CREATE TEMP TRIGGER r1 BEFORE INSERT ON t1 BEGIN
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INSERT INTO t2 VALUES(NEW.a,NEW.b);
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END;
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INSERT INTO t1 VALUES(7,8);
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SELECT * FROM t2;
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}
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} {3 4 7 8}
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do_test trigger1-4.2 {
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sqlite3 db2 test.db
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execsql {
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INSERT INTO t1 VALUES(9,10);
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} db2;
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db2 close
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execsql {
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SELECT * FROM t2;
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}
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} {3 4 7 8}
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do_test trigger1-4.3 {
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execsql {
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DROP TABLE t1;
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SELECT * FROM t2;
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};
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} {3 4 7 8}
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do_test trigger1-4.4 {
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db close
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sqlite3 db test.db
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execsql {
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SELECT * FROM t2;
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};
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} {3 4 7 8}
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} else {
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execsql {
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CREATE TABLE t2(x,y);
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DROP TABLE t1;
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INSERT INTO t2 VALUES(3, 4);
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INSERT INTO t2 VALUES(7, 8);
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}
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}
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integrity_check trigger1-5.1
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# Create a trigger with the same name as a table. Make sure the
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# trigger works. Then drop the trigger. Make sure the table is
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# still there.
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#
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set view_v1 {}
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ifcapable view {
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set view_v1 {view v1}
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}
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do_test trigger1-6.1 {
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execsql {SELECT type, name FROM sqlite_master}
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} [concat $view_v1 {table t2}]
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do_test trigger1-6.2 {
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execsql {
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CREATE TRIGGER t2 BEFORE DELETE ON t2 BEGIN
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SELECT RAISE(ABORT,'deletes are not permitted');
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END;
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SELECT type, name FROM sqlite_master;
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}
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} [concat $view_v1 {table t2 trigger t2}]
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do_test trigger1-6.3 {
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catchsql {DELETE FROM t2}
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} {1 {deletes are not permitted}}
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do_test trigger1-6.4 {
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execsql {SELECT * FROM t2}
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} {3 4 7 8}
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do_test trigger1-6.5 {
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db close
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sqlite3 db test.db
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execsql {SELECT type, name FROM sqlite_master}
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} [concat $view_v1 {table t2 trigger t2}]
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do_test trigger1-6.6 {
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execsql {
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DROP TRIGGER t2;
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SELECT type, name FROM sqlite_master;
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}
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} [concat $view_v1 {table t2}]
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do_test trigger1-6.7 {
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execsql {SELECT * FROM t2}
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} {3 4 7 8}
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do_test trigger1-6.8 {
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db close
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sqlite3 db test.db
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execsql {SELECT * FROM t2}
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} {3 4 7 8}
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integrity_check trigger-7.1
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# Check to make sure the name of a trigger can be quoted so that keywords
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# can be used as trigger names. Ticket #468
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#
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do_test trigger1-8.1 {
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execsql {
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CREATE TRIGGER 'trigger' AFTER INSERT ON t2 BEGIN SELECT 1; END;
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {trigger}
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do_test trigger1-8.2 {
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execsql {
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DROP TRIGGER 'trigger';
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {}
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do_test trigger1-8.3 {
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execsql {
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CREATE TRIGGER "trigger" AFTER INSERT ON t2 BEGIN SELECT 1; END;
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {trigger}
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do_test trigger1-8.4 {
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execsql {
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DROP TRIGGER "trigger";
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {}
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do_test trigger1-8.5 {
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execsql {
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CREATE TRIGGER [trigger] AFTER INSERT ON t2 BEGIN SELECT 1; END;
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {trigger}
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do_test trigger1-8.6 {
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execsql {
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DROP TRIGGER [trigger];
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SELECT name FROM sqlite_master WHERE type='trigger';
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}
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} {}
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ifcapable conflict {
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# Make sure REPLACE works inside of triggers.
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#
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# There are two versions of trigger-9.1 and trigger-9.2. One that uses
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# compound SELECT statements, and another that does not.
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ifcapable compound {
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do_test trigger1-9.1 {
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execsql {
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CREATE TABLE t3(a,b);
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CREATE TABLE t4(x UNIQUE, b);
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CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN
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REPLACE INTO t4 VALUES(new.a,new.b);
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END;
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INSERT INTO t3 VALUES(1,2);
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SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4;
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}
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} {1 2 99 99 1 2}
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do_test trigger1-9.2 {
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execsql {
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INSERT INTO t3 VALUES(1,3);
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SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4;
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}
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} {1 2 1 3 99 99 1 3}
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} else {
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do_test trigger1-9.1 {
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execsql {
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CREATE TABLE t3(a,b);
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CREATE TABLE t4(x UNIQUE, b);
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CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN
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REPLACE INTO t4 VALUES(new.a,new.b);
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END;
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INSERT INTO t3 VALUES(1,2);
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SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4;
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}
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} {1 2 99 99 1 2}
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do_test trigger1-9.2 {
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execsql {
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INSERT INTO t3 VALUES(1,3);
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SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4;
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}
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} {1 2 1 3 99 99 1 3}
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}
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execsql {
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DROP TABLE t3;
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DROP TABLE t4;
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}
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}
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# Ticket #764. At one stage TEMP triggers would fail to re-install when the
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# schema was reloaded. The following tests ensure that TEMP triggers are
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# correctly re-installed.
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#
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# Also verify that references within trigger programs are resolved at
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# statement compile time, not trigger installation time. This means, for
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# example, that you can drop and re-create tables referenced by triggers.
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ifcapable tempdb&&attach {
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do_test trigger1-10.0 {
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forcedelete test2.db
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forcedelete test2.db-journal
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execsql {
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ATTACH 'test2.db' AS aux;
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}
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} {}
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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
|