1046 lines
31 KiB
Plaintext
1046 lines
31 KiB
Plaintext
# 2009 August 24
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#
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# 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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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix triggerC
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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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#-------------------------------------------------------------------------
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# Test organization:
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#
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# triggerC-1.*: Haphazardly designed trigger related tests that were useful
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# during an upgrade of the triggers sub-system.
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#
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# triggerC-2.*:
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#
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# triggerC-3.*:
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#
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# triggerC-4.*:
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#
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# triggerC-5.*: Test that when recursive triggers are enabled DELETE
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# triggers are fired when rows are deleted as part of OR
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# REPLACE conflict resolution. And that they are not fired
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# if recursive triggers are not enabled.
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#
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# triggerC-6.*: Test that the recursive_triggers pragma returns correct
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# results when invoked without an argument.
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#
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# Enable recursive triggers for this file.
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#
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execsql { PRAGMA recursive_triggers = on }
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#sqlite3_db_config_lookaside db 0 0 0
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#-------------------------------------------------------------------------
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# This block of tests, triggerC-1.*, are not aimed at any specific
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# property of the triggers sub-system. They were created to debug
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# specific problems while modifying SQLite to support recursive
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# triggers. They are left here in case they can help debug the
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# same problems again.
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#
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do_test triggerC-1.1 {
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execsql {
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CREATE TABLE t1(a, b, c);
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CREATE TABLE log(t, a1, b1, c1, a2, b2, c2);
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CREATE TRIGGER trig1 BEFORE INSERT ON t1 BEGIN
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INSERT INTO log VALUES('before', NULL, NULL, NULL, new.a, new.b, new.c);
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END;
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CREATE TRIGGER trig2 AFTER INSERT ON t1 BEGIN
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INSERT INTO log VALUES('after', NULL, NULL, NULL, new.a, new.b, new.c);
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END;
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CREATE TRIGGER trig3 BEFORE UPDATE ON t1 BEGIN
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INSERT INTO log VALUES('before', old.a,old.b,old.c, new.a,new.b,new.c);
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END;
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CREATE TRIGGER trig4 AFTER UPDATE ON t1 BEGIN
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INSERT INTO log VALUES('after', old.a,old.b,old.c, new.a,new.b,new.c);
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END;
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CREATE TRIGGER trig5 BEFORE DELETE ON t1 BEGIN
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INSERT INTO log VALUES('before', old.a,old.b,old.c, NULL,NULL,NULL);
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END;
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CREATE TRIGGER trig6 AFTER DELETE ON t1 BEGIN
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INSERT INTO log VALUES('after', old.a,old.b,old.c, NULL,NULL,NULL);
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END;
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}
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} {}
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do_test triggerC-1.2 {
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execsql {
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INSERT INTO t1 VALUES('A', 'B', 'C');
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SELECT * FROM log;
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}
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} {before {} {} {} A B C after {} {} {} A B C}
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do_test triggerC-1.3 {
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execsql { SELECT * FROM t1 }
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} {A B C}
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do_test triggerC-1.4 {
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execsql {
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DELETE FROM log;
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UPDATE t1 SET a = 'a';
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SELECT * FROM log;
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}
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} {before A B C a B C after A B C a B C}
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do_test triggerC-1.5 {
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execsql { SELECT * FROM t1 }
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} {a B C}
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do_test triggerC-1.6 {
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execsql {
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DELETE FROM log;
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DELETE FROM t1;
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SELECT * FROM log;
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}
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} {before a B C {} {} {} after a B C {} {} {}}
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do_test triggerC-1.7 {
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execsql { SELECT * FROM t1 }
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} {}
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do_test triggerC-1.8 {
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execsql {
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CREATE TABLE t4(a, b);
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CREATE TRIGGER t4t AFTER DELETE ON t4 BEGIN
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SELECT RAISE(ABORT, 'delete is not supported');
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END;
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}
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} {}
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do_test triggerC-1.9 {
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execsql { INSERT INTO t4 VALUES(1, 2) }
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catchsql { DELETE FROM t4 }
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} {1 {delete is not supported}}
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do_test triggerC-1.10 {
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execsql { SELECT * FROM t4 }
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} {1 2}
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do_test triggerC-1.11 {
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execsql {
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CREATE TABLE t5 (a primary key, b, c);
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INSERT INTO t5 values (1, 2, 3);
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CREATE TRIGGER au_tbl AFTER UPDATE ON t5 BEGIN
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UPDATE OR IGNORE t5 SET a = new.a, c = 10;
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END;
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}
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} {}
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do_test triggerC-1.12 {
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catchsql { UPDATE OR REPLACE t5 SET a = 4 WHERE a = 1 }
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-1.13 {
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execsql {
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CREATE TABLE t6(a INTEGER PRIMARY KEY, b);
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INSERT INTO t6 VALUES(1, 2);
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create trigger r1 after update on t6 for each row begin
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SELECT 1;
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end;
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UPDATE t6 SET a=a;
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}
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} {}
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do_test triggerC-1.14 {
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execsql {
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DROP TABLE t1;
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CREATE TABLE cnt(n);
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INSERT INTO cnt VALUES(0);
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c, d, e);
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CREATE INDEX t1cd ON t1(c,d);
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CREATE TRIGGER t1r1 AFTER UPDATE ON t1 BEGIN UPDATE cnt SET n=n+1; END;
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INSERT INTO t1 VALUES(1,2,3,4,5);
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INSERT INTO t1 VALUES(6,7,8,9,10);
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INSERT INTO t1 VALUES(11,12,13,14,15);
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}
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} {}
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do_test triggerC-1.15 {
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catchsql { UPDATE OR ROLLBACK t1 SET a=100 }
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} {1 {UNIQUE constraint failed: t1.a}}
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#-------------------------------------------------------------------------
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# This block of tests, triggerC-2.*, tests that recursive trigger
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# programs (triggers that fire themselves) work. More specifically,
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# this block focuses on recursive INSERT triggers.
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#
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do_test triggerC-2.1.0 {
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execsql {
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CREATE TABLE t2(a PRIMARY KEY);
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}
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} {}
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foreach {n tdefn rc} {
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1 {
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CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN
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INSERT INTO t2 VALUES(new.a - 1);
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END;
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} {0 {10 9 8 7 6 5 4 3 2 1 0}}
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2 {
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CREATE TRIGGER t2_trig AFTER INSERT ON t2 BEGIN
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SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END;
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INSERT INTO t2 VALUES(new.a - 1);
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END;
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} {0 {10 9 8 7 6 5 4 3 2}}
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3 {
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CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN
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INSERT INTO t2 VALUES(new.a - 1);
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END;
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} {0 {0 1 2 3 4 5 6 7 8 9 10}}
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4 {
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CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN
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SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END;
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INSERT INTO t2 VALUES(new.a - 1);
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END;
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} {0 {3 4 5 6 7 8 9 10}}
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5 {
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CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN
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INSERT INTO t2 VALUES(new.a - 1);
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END;
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} {1 {too many levels of trigger recursion}}
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6 {
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CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN
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INSERT OR IGNORE INTO t2 VALUES(new.a);
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END;
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} {0 10}
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7 {
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CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN
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INSERT OR IGNORE INTO t2 VALUES(new.a);
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END;
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} {1 {too many levels of trigger recursion}}
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} {
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do_test triggerC-2.1.$n {
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catchsql { DROP TRIGGER t2_trig }
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execsql { DELETE FROM t2 }
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execsql $tdefn
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catchsql {
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INSERT INTO t2 VALUES(10);
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SELECT * FROM t2 ORDER BY rowid;
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}
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} $rc
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}
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do_test triggerC-2.2 {
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execsql "
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CREATE TABLE t22(x);
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CREATE TRIGGER t22a AFTER INSERT ON t22 BEGIN
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INSERT INTO t22 SELECT x + (SELECT max(x) FROM t22) FROM t22;
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END;
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CREATE TRIGGER t22b BEFORE INSERT ON t22 BEGIN
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SELECT CASE WHEN (SELECT count(*) FROM t22) >= [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]
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THEN RAISE(IGNORE)
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ELSE NULL END;
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END;
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INSERT INTO t22 VALUES(1);
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SELECT count(*) FROM t22;
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"
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} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]]
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do_test triggerC-2.3 {
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execsql "
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CREATE TABLE t23(x PRIMARY KEY);
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CREATE TRIGGER t23a AFTER INSERT ON t23 BEGIN
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INSERT INTO t23 VALUES(new.x + 1);
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END;
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CREATE TRIGGER t23b BEFORE INSERT ON t23 BEGIN
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SELECT CASE WHEN new.x>[expr $SQLITE_MAX_TRIGGER_DEPTH / 2]
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THEN RAISE(IGNORE)
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ELSE NULL END;
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END;
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INSERT INTO t23 VALUES(1);
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SELECT count(*) FROM t23;
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"
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} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]]
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#-----------------------------------------------------------------------
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# This block of tests, triggerC-3.*, test that SQLite throws an exception
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# when it detects excessive recursion.
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#
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do_test triggerC-3.1.1 {
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execsql {
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CREATE TABLE t3(a, b);
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CREATE TRIGGER t3i AFTER INSERT ON t3 BEGIN
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DELETE FROM t3 WHERE rowid = new.rowid;
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END;
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CREATE TRIGGER t3d AFTER DELETE ON t3 BEGIN
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INSERT INTO t3 VALUES(old.a, old.b);
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END;
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}
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} {}
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do_test triggerC-3.1.2 {
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catchsql { INSERT INTO t3 VALUES(0,0) }
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-3.1.3 {
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execsql { SELECT * FROM t3 }
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} {}
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do_test triggerC-3.2.1 {
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execsql "
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CREATE TABLE t3b(x);
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CREATE TRIGGER t3bi AFTER INSERT ON t3b WHEN new.x<[expr $SQLITE_MAX_TRIGGER_DEPTH * 2] BEGIN
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INSERT INTO t3b VALUES(new.x+1);
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END;
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"
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catchsql {
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INSERT INTO t3b VALUES(1);
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}
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-3.2.2 {
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db eval {SELECT * FROM t3b}
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} {}
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do_test triggerC-3.3.1 {
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catchsql "
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INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH + 1]);
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"
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} {0 {}}
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do_test triggerC-3.3.2 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} [list $SQLITE_MAX_TRIGGER_DEPTH [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQLITE_MAX_TRIGGER_DEPTH + 1]]
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do_test triggerC-3.4.1 {
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catchsql "
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DELETE FROM t3b;
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INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH - 1]);
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"
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-3.4.2 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} {0 {} {}}
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do_test triggerC-3.5.1 {
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sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH [expr $SQLITE_MAX_TRIGGER_DEPTH / 10]
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catchsql "
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INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10) + 1]);
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"
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} {0 {}}
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do_test triggerC-3.5.2 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 10] [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10) + 1]]
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do_test triggerC-3.5.3 {
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catchsql "
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DELETE FROM t3b;
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INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10)]);
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"
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-3.5.4 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} {0 {} {}}
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do_test triggerC-3.6.1 {
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sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1
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catchsql "
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INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH * 2]);
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"
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} {0 {}}
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do_test triggerC-3.6.2 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} [list 1 [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQLITE_MAX_TRIGGER_DEPTH * 2]]
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do_test triggerC-3.6.3 {
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catchsql "
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DELETE FROM t3b;
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INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - 1]);
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"
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} {1 {too many levels of trigger recursion}}
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do_test triggerC-3.6.4 {
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db eval {SELECT count(*), max(x), min(x) FROM t3b}
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} {0 {} {}}
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sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH $SQLITE_MAX_TRIGGER_DEPTH
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#-----------------------------------------------------------------------
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# This next block of tests, triggerC-4.*, checks that affinity
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# transformations and constraint processing is performed at the correct
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# times relative to BEFORE and AFTER triggers.
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#
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# For an INSERT statement, for each row to be inserted:
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#
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# 1. Apply affinities to non-rowid values to be inserted.
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# 2. Fire BEFORE triggers.
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# 3. Process constraints.
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# 4. Insert new record.
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# 5. Fire AFTER triggers.
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#
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# If the value of the rowid field is to be automatically assigned, it is
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# set to -1 in the new.* record. Even if it is explicitly set to NULL
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# by the INSERT statement.
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#
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# For an UPDATE statement, for each row to be deleted:
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#
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# 1. Apply affinities to non-rowid values to be inserted.
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# 2. Fire BEFORE triggers.
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# 3. Process constraints.
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# 4. Insert new record.
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# 5. Fire AFTER triggers.
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#
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# For a DELETE statement, for each row to be deleted:
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#
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# 1. Fire BEFORE triggers.
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# 2. Remove database record.
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# 3. Fire AFTER triggers.
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#
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# When a numeric value that as an exact integer representation is stored
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# in a column with REAL affinity, it is actually stored as an integer.
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# These tests check that the typeof() such values is always 'real',
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# not 'integer'.
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#
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# triggerC-4.1.*: Check that affinity transformations are made before
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# triggers are invoked.
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#
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do_test triggerC-4.1.1 {
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catchsql { DROP TABLE log }
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catchsql { DROP TABLE t4 }
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execsql {
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CREATE TABLE log(t);
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CREATE TABLE t4(a TEXT,b INTEGER,c REAL);
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CREATE TRIGGER t4bi BEFORE INSERT ON t4 BEGIN
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INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' ||
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new.a || ' ' || typeof(new.a) || ' ' ||
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new.b || ' ' || typeof(new.b) || ' ' ||
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new.c || ' ' || typeof(new.c)
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);
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END;
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CREATE TRIGGER t4ai AFTER INSERT ON t4 BEGIN
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INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' ||
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new.a || ' ' || typeof(new.a) || ' ' ||
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new.b || ' ' || typeof(new.b) || ' ' ||
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new.c || ' ' || typeof(new.c)
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);
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END;
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CREATE TRIGGER t4bd BEFORE DELETE ON t4 BEGIN
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INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' ||
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old.a || ' ' || typeof(old.a) || ' ' ||
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old.b || ' ' || typeof(old.b) || ' ' ||
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old.c || ' ' || typeof(old.c)
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);
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END;
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CREATE TRIGGER t4ad AFTER DELETE ON t4 BEGIN
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INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' ||
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old.a || ' ' || typeof(old.a) || ' ' ||
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old.b || ' ' || typeof(old.b) || ' ' ||
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old.c || ' ' || typeof(old.c)
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);
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END;
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CREATE TRIGGER t4bu BEFORE UPDATE ON t4 BEGIN
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INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' ||
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old.a || ' ' || typeof(old.a) || ' ' ||
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old.b || ' ' || typeof(old.b) || ' ' ||
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old.c || ' ' || typeof(old.c)
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);
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INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' ||
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new.a || ' ' || typeof(new.a) || ' ' ||
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new.b || ' ' || typeof(new.b) || ' ' ||
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new.c || ' ' || typeof(new.c)
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);
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END;
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CREATE TRIGGER t4au AFTER UPDATE ON t4 BEGIN
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INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' ||
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old.a || ' ' || typeof(old.a) || ' ' ||
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old.b || ' ' || typeof(old.b) || ' ' ||
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old.c || ' ' || typeof(old.c)
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);
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INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' ||
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new.a || ' ' || typeof(new.a) || ' ' ||
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new.b || ' ' || typeof(new.b) || ' ' ||
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new.c || ' ' || typeof(new.c)
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);
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END;
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}
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} {}
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foreach {n insert log} {
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2 {
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INSERT INTO t4 VALUES('1', '1', '1');
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DELETE FROM t4;
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} {
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-1 integer 1 text 1 integer 1.0 real
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1 integer 1 text 1 integer 1.0 real
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1 integer 1 text 1 integer 1.0 real
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1 integer 1 text 1 integer 1.0 real
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}
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3 {
|
|
INSERT INTO t4(rowid,a,b,c) VALUES(45, 45, 45, 45);
|
|
DELETE FROM t4;
|
|
} {
|
|
45 integer 45 text 45 integer 45.0 real
|
|
45 integer 45 text 45 integer 45.0 real
|
|
45 integer 45 text 45 integer 45.0 real
|
|
45 integer 45 text 45 integer 45.0 real
|
|
}
|
|
|
|
4 {
|
|
INSERT INTO t4(rowid,a,b,c) VALUES(-42.0, -42.0, -42.0, -42.0);
|
|
DELETE FROM t4;
|
|
} {
|
|
-42 integer -42.0 text -42 integer -42.0 real
|
|
-42 integer -42.0 text -42 integer -42.0 real
|
|
-42 integer -42.0 text -42 integer -42.0 real
|
|
-42 integer -42.0 text -42 integer -42.0 real
|
|
}
|
|
|
|
5 {
|
|
INSERT INTO t4(rowid,a,b,c) VALUES(NULL, -42.4, -42.4, -42.4);
|
|
DELETE FROM t4;
|
|
} {
|
|
-1 integer -42.4 text -42.4 real -42.4 real
|
|
1 integer -42.4 text -42.4 real -42.4 real
|
|
1 integer -42.4 text -42.4 real -42.4 real
|
|
1 integer -42.4 text -42.4 real -42.4 real
|
|
}
|
|
|
|
6 {
|
|
INSERT INTO t4 VALUES(7, 7, 7);
|
|
UPDATE t4 SET a=8, b=8, c=8;
|
|
} {
|
|
-1 integer 7 text 7 integer 7.0 real
|
|
1 integer 7 text 7 integer 7.0 real
|
|
1 integer 7 text 7 integer 7.0 real
|
|
1 integer 8 text 8 integer 8.0 real
|
|
1 integer 7 text 7 integer 7.0 real
|
|
1 integer 8 text 8 integer 8.0 real
|
|
}
|
|
|
|
7 {
|
|
UPDATE t4 SET rowid=2;
|
|
} {
|
|
1 integer 8 text 8 integer 8.0 real
|
|
2 integer 8 text 8 integer 8.0 real
|
|
1 integer 8 text 8 integer 8.0 real
|
|
2 integer 8 text 8 integer 8.0 real
|
|
}
|
|
|
|
8 {
|
|
UPDATE t4 SET a='9', b='9', c='9';
|
|
} {
|
|
2 integer 8 text 8 integer 8.0 real
|
|
2 integer 9 text 9 integer 9.0 real
|
|
2 integer 8 text 8 integer 8.0 real
|
|
2 integer 9 text 9 integer 9.0 real
|
|
}
|
|
|
|
9 {
|
|
UPDATE t4 SET a='9.1', b='9.1', c='9.1';
|
|
} {
|
|
2 integer 9 text 9 integer 9.0 real
|
|
2 integer 9.1 text 9.1 real 9.1 real
|
|
2 integer 9 text 9 integer 9.0 real
|
|
2 integer 9.1 text 9.1 real 9.1 real
|
|
}
|
|
} {
|
|
do_test triggerC-4.1.$n {
|
|
eval concat [execsql "
|
|
DELETE FROM log;
|
|
$insert ;
|
|
SELECT * FROM log ORDER BY rowid;
|
|
"]
|
|
} [join $log " "]
|
|
}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# This block of tests, triggerC-5.*, test that DELETE triggers are fired
|
|
# if a row is deleted as a result of OR REPLACE conflict resolution.
|
|
#
|
|
do_test triggerC-5.1.0 {
|
|
execsql {
|
|
DROP TABLE IF EXISTS t5;
|
|
CREATE TABLE t5(a INTEGER PRIMARY KEY, b);
|
|
CREATE UNIQUE INDEX t5i ON t5(b);
|
|
INSERT INTO t5 VALUES(1, 'a');
|
|
INSERT INTO t5 VALUES(2, 'b');
|
|
INSERT INTO t5 VALUES(3, 'c');
|
|
|
|
CREATE TABLE t5g(a, b, c);
|
|
CREATE TRIGGER t5t BEFORE DELETE ON t5 BEGIN
|
|
INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5));
|
|
END;
|
|
}
|
|
} {}
|
|
foreach {n dml t5g t5} {
|
|
1 "DELETE FROM t5 WHERE a=2" {2 b 3} {1 a 3 c}
|
|
2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 3} {1 a 2 d 3 c}
|
|
3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 3} {1 a 2 c}
|
|
4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 3} {1 a 3 c 4 b}
|
|
5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 3} {1 a 3 b}
|
|
6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 3 3 c 2} {1 a 2 c}
|
|
7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 3 2 b 2} {1 b}
|
|
} {
|
|
do_test triggerC-5.1.$n {
|
|
execsql "
|
|
BEGIN;
|
|
$dml ;
|
|
SELECT * FROM t5g ORDER BY rowid;
|
|
SELECT * FROM t5 ORDER BY rowid;
|
|
ROLLBACK;
|
|
"
|
|
} [concat $t5g $t5]
|
|
}
|
|
do_test triggerC-5.2.0 {
|
|
execsql {
|
|
DROP TRIGGER t5t;
|
|
CREATE TRIGGER t5t AFTER DELETE ON t5 BEGIN
|
|
INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5));
|
|
END;
|
|
}
|
|
} {}
|
|
foreach {n dml t5g t5} {
|
|
1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c}
|
|
2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 2} {1 a 2 d 3 c}
|
|
3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 2} {1 a 2 c}
|
|
4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 2} {1 a 3 c 4 b}
|
|
5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 2} {1 a 3 b}
|
|
6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 2 3 c 1} {1 a 2 c}
|
|
7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 2 2 b 1} {1 b}
|
|
} {
|
|
do_test triggerC-5.2.$n {
|
|
execsql "
|
|
BEGIN;
|
|
$dml ;
|
|
SELECT * FROM t5g ORDER BY rowid;
|
|
SELECT * FROM t5 ORDER BY rowid;
|
|
ROLLBACK;
|
|
"
|
|
} [concat $t5g $t5]
|
|
}
|
|
do_test triggerC-5.3.0 {
|
|
execsql { PRAGMA recursive_triggers = off }
|
|
} {}
|
|
foreach {n dml t5g t5} {
|
|
1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c}
|
|
2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {} {1 a 2 d 3 c}
|
|
3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {} {1 a 2 c}
|
|
4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {} {1 a 3 c 4 b}
|
|
5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {} {1 a 3 b}
|
|
6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {} {1 a 2 c}
|
|
7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {} {1 b}
|
|
} {
|
|
do_test triggerC-5.3.$n {
|
|
execsql "
|
|
BEGIN;
|
|
$dml ;
|
|
SELECT * FROM t5g ORDER BY rowid;
|
|
SELECT * FROM t5 ORDER BY rowid;
|
|
ROLLBACK;
|
|
"
|
|
} [concat $t5g $t5]
|
|
}
|
|
do_test triggerC-5.3.8 {
|
|
execsql { PRAGMA recursive_triggers = on }
|
|
} {}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# This block of tests, triggerC-6.*, tests that "PRAGMA recursive_triggers"
|
|
# statements return the current value of the recursive triggers flag.
|
|
#
|
|
do_test triggerC-6.1 {
|
|
execsql { PRAGMA recursive_triggers }
|
|
} {1}
|
|
do_test triggerC-6.2 {
|
|
execsql {
|
|
PRAGMA recursive_triggers = off;
|
|
PRAGMA recursive_triggers;
|
|
}
|
|
} {0}
|
|
do_test triggerC-6.3 {
|
|
execsql {
|
|
PRAGMA recursive_triggers = on;
|
|
PRAGMA recursive_triggers;
|
|
}
|
|
} {1}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test some of the "undefined behaviour" associated with triggers. The
|
|
# undefined behaviour occurs when a row being updated or deleted is
|
|
# manipulated by a BEFORE trigger.
|
|
#
|
|
do_test triggerC-7.1 {
|
|
execsql {
|
|
CREATE TABLE t8(x);
|
|
CREATE TABLE t7(a, b);
|
|
INSERT INTO t7 VALUES(1, 2);
|
|
INSERT INTO t7 VALUES(3, 4);
|
|
INSERT INTO t7 VALUES(5, 6);
|
|
CREATE TRIGGER t7t BEFORE UPDATE ON t7 BEGIN
|
|
DELETE FROM t7 WHERE a = 1;
|
|
END;
|
|
CREATE TRIGGER t7ta AFTER UPDATE ON t7 BEGIN
|
|
INSERT INTO t8 VALUES('after fired ' || old.rowid || '->' || new.rowid);
|
|
END;
|
|
}
|
|
} {}
|
|
do_test triggerC-7.2 {
|
|
execsql {
|
|
BEGIN;
|
|
UPDATE t7 SET b=7 WHERE a = 5;
|
|
SELECT * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {3 4 5 7 {after fired 3->3}}
|
|
do_test triggerC-7.3 {
|
|
execsql {
|
|
BEGIN;
|
|
UPDATE t7 SET b=7 WHERE a = 1;
|
|
SELECT * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {3 4 5 6}
|
|
|
|
do_test triggerC-7.4 {
|
|
execsql {
|
|
DROP TRIGGER t7t;
|
|
CREATE TRIGGER t7t BEFORE UPDATE ON t7 WHEN (old.rowid!=1 OR new.rowid!=8)
|
|
BEGIN
|
|
UPDATE t7 set rowid = 8 WHERE rowid=1;
|
|
END;
|
|
}
|
|
} {}
|
|
do_test triggerC-7.5 {
|
|
execsql {
|
|
BEGIN;
|
|
UPDATE t7 SET b=7 WHERE a = 5;
|
|
SELECT rowid, * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {2 3 4 3 5 7 8 1 2 {after fired 1->8} {after fired 3->3}}
|
|
do_test triggerC-7.6 {
|
|
execsql {
|
|
BEGIN;
|
|
UPDATE t7 SET b=7 WHERE a = 1;
|
|
SELECT rowid, * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {2 3 4 3 5 6 8 1 2 {after fired 1->8}}
|
|
|
|
do_test triggerC-7.7 {
|
|
execsql {
|
|
DROP TRIGGER t7t;
|
|
DROP TRIGGER t7ta;
|
|
CREATE TRIGGER t7t BEFORE DELETE ON t7 BEGIN
|
|
UPDATE t7 set rowid = 8 WHERE rowid=1;
|
|
END;
|
|
CREATE TRIGGER t7ta AFTER DELETE ON t7 BEGIN
|
|
INSERT INTO t8 VALUES('after fired ' || old.rowid);
|
|
END;
|
|
}
|
|
} {}
|
|
do_test triggerC-7.8 {
|
|
execsql {
|
|
BEGIN;
|
|
DELETE FROM t7 WHERE a = 3;
|
|
SELECT rowid, * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {3 5 6 8 1 2 {after fired 2}}
|
|
do_test triggerC-7.9 {
|
|
execsql {
|
|
BEGIN;
|
|
DELETE FROM t7 WHERE a = 1;
|
|
SELECT rowid, * FROM t7;
|
|
SELECT * FROM t8;
|
|
ROLLBACK;
|
|
}
|
|
} {2 3 4 3 5 6 8 1 2}
|
|
|
|
# Ticket [e25d9ea771febc9c311928c1c01c3163dcb26643]
|
|
#
|
|
do_test triggerC-9.1 {
|
|
execsql {
|
|
CREATE TABLE t9(a,b);
|
|
CREATE INDEX t9b ON t9(b);
|
|
INSERT INTO t9 VALUES(1,0);
|
|
INSERT INTO t9 VALUES(2,1);
|
|
INSERT INTO t9 VALUES(3,2);
|
|
INSERT INTO t9 SELECT a+3, a+2 FROM t9;
|
|
INSERT INTO t9 SELECT a+6, a+5 FROM t9;
|
|
SELECT a FROM t9 ORDER BY a;
|
|
}
|
|
} {1 2 3 4 5 6 7 8 9 10 11 12}
|
|
do_test triggerC-9.2 {
|
|
execsql {
|
|
CREATE TRIGGER t9r1 AFTER DELETE ON t9 BEGIN
|
|
DELETE FROM t9 WHERE b=old.a;
|
|
END;
|
|
DELETE FROM t9 WHERE b=4;
|
|
SELECT a FROM t9 ORDER BY a;
|
|
}
|
|
} {1 2 3 4}
|
|
|
|
# At one point (between versions 3.6.18 and 3.6.20 inclusive), an UPDATE
|
|
# that fired a BEFORE trigger that itself updated the same row as the
|
|
# statement causing it to fire was causing a strange side-effect: The
|
|
# values updated by the statement within the trigger were being overwritten
|
|
# by the values in the new.* array, even if those values were not
|
|
# themselves written by the parent UPDATE statement.
|
|
#
|
|
# Technically speaking this was not a bug. The SQLite documentation says
|
|
# that if a BEFORE UPDATE or BEFORE DELETE trigger modifies or deletes the
|
|
# row that the parent statement is operating on the results are undefined.
|
|
# But as of 3.6.21 behaviour is restored to the way it was in versions
|
|
# 3.6.17 and earlier to avoid causing unnecessary difficulties.
|
|
#
|
|
do_test triggerC-10.1 {
|
|
execsql {
|
|
CREATE TABLE t10(a, updatecnt DEFAULT 0);
|
|
CREATE TRIGGER t10_bu BEFORE UPDATE OF a ON t10 BEGIN
|
|
UPDATE t10 SET updatecnt = updatecnt+1 WHERE rowid = old.rowid;
|
|
END;
|
|
INSERT INTO t10(a) VALUES('hello');
|
|
}
|
|
|
|
# Before the problem was fixed, table t10 would contain the tuple
|
|
# (world, 0) after running the following script (because the value
|
|
# 1 written to column "updatecnt" was clobbered by the old value 0).
|
|
#
|
|
execsql {
|
|
UPDATE t10 SET a = 'world';
|
|
SELECT * FROM t10;
|
|
}
|
|
} {world 1}
|
|
|
|
do_test triggerC-10.2 {
|
|
execsql {
|
|
UPDATE t10 SET a = 'tcl', updatecnt = 5;
|
|
SELECT * FROM t10;
|
|
}
|
|
} {tcl 5}
|
|
|
|
do_test triggerC-10.3 {
|
|
execsql {
|
|
CREATE TABLE t11(
|
|
c1, c2, c3, c4, c5, c6, c7, c8, c9, c10,
|
|
c11, c12, c13, c14, c15, c16, c17, c18, c19, c20,
|
|
c21, c22, c23, c24, c25, c26, c27, c28, c29, c30,
|
|
c31, c32, c33, c34, c35, c36, c37, c38, c39, c40
|
|
);
|
|
|
|
CREATE TRIGGER t11_bu BEFORE UPDATE OF c1 ON t11 BEGIN
|
|
UPDATE t11 SET c31 = c31+1, c32=c32+1 WHERE rowid = old.rowid;
|
|
END;
|
|
|
|
INSERT INTO t11 VALUES(
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
|
|
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
|
|
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
|
|
31, 32, 33, 34, 35, 36, 37, 38, 39, 40
|
|
);
|
|
}
|
|
|
|
# Before the problem was fixed, table t10 would contain the tuple
|
|
# (world, 0) after running the following script (because the value
|
|
# 1 written to column "updatecnt" was clobbered by the old value 0).
|
|
#
|
|
execsql {
|
|
UPDATE t11 SET c4=35, c33=22, c1=5;
|
|
SELECT * FROM t11;
|
|
}
|
|
} {5 2 3 35 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 22 34 35 36 37 38 39 40}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that bug [371bab5d65] has been fixed. BEFORE INSERT and INSTEAD OF
|
|
# INSERT triggers with the DEFAULT VALUES INSERT syntax.
|
|
#
|
|
do_test triggerC-11.0 {
|
|
catchsql { DROP TABLE log }
|
|
execsql { CREATE TABLE log(a, b) }
|
|
} {}
|
|
|
|
foreach {testno tbl defaults} {
|
|
1 "CREATE TABLE t1(a, b)" {{} {}}
|
|
2 "CREATE TABLE t1(a DEFAULT 1, b DEFAULT 'abc')" {1 abc}
|
|
3 "CREATE TABLE t1(a, b DEFAULT 4.5)" {{} 4.5}
|
|
} {
|
|
do_test triggerC-11.$testno.1 {
|
|
catchsql { DROP TABLE t1 }
|
|
execsql { DELETE FROM log }
|
|
execsql $tbl
|
|
execsql {
|
|
CREATE TRIGGER tt1 BEFORE INSERT ON t1 BEGIN
|
|
INSERT INTO log VALUES(new.a, new.b);
|
|
END;
|
|
INSERT INTO t1 DEFAULT VALUES;
|
|
SELECT * FROM log;
|
|
}
|
|
} $defaults
|
|
|
|
do_test triggerC-11.$testno.2 {
|
|
execsql { DELETE FROM log }
|
|
execsql {
|
|
CREATE TRIGGER tt2 AFTER INSERT ON t1 BEGIN
|
|
INSERT INTO log VALUES(new.a, new.b);
|
|
END;
|
|
INSERT INTO t1 DEFAULT VALUES;
|
|
SELECT * FROM log;
|
|
}
|
|
} [concat $defaults $defaults]
|
|
|
|
do_test triggerC-11.$testno.3 {
|
|
execsql { DROP TRIGGER tt1 }
|
|
execsql { DELETE FROM log }
|
|
execsql {
|
|
INSERT INTO t1 DEFAULT VALUES;
|
|
SELECT * FROM log;
|
|
}
|
|
} $defaults
|
|
}
|
|
do_test triggerC-11.4 {
|
|
catchsql { DROP TABLE t2 }
|
|
execsql {
|
|
DELETE FROM log;
|
|
CREATE TABLE t2(a, b);
|
|
CREATE VIEW v2 AS SELECT * FROM t2;
|
|
CREATE TRIGGER tv2 INSTEAD OF INSERT ON v2 BEGIN
|
|
INSERT INTO log VALUES(new.a, new.b);
|
|
END;
|
|
INSERT INTO v2 DEFAULT VALUES;
|
|
SELECT a, b, a IS NULL, b IS NULL FROM log;
|
|
}
|
|
} {{} {} 1 1}
|
|
|
|
do_test triggerC-12.1 {
|
|
db close
|
|
forcedelete test.db
|
|
sqlite3 db test.db
|
|
|
|
execsql {
|
|
CREATE TABLE t1(a, b);
|
|
INSERT INTO t1 VALUES(1, 2);
|
|
INSERT INTO t1 VALUES(3, 4);
|
|
INSERT INTO t1 VALUES(5, 6);
|
|
CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN SELECT 1 ; END ;
|
|
SELECT count(*) FROM sqlite_master;
|
|
}
|
|
} {2}
|
|
do_test triggerC-12.2 {
|
|
db eval { SELECT * FROM t1 } {
|
|
if {$a == 3} { execsql { DROP TRIGGER tr1 } }
|
|
}
|
|
execsql { SELECT count(*) FROM sqlite_master }
|
|
} {1}
|
|
|
|
do_execsql_test triggerC-13.1 {
|
|
PRAGMA recursive_triggers = ON;
|
|
CREATE TABLE t12(a, b);
|
|
INSERT INTO t12 VALUES(1, 2);
|
|
CREATE TRIGGER tr12 AFTER UPDATE ON t12 BEGIN
|
|
UPDATE t12 SET a=new.a+1, b=new.b+1;
|
|
END;
|
|
} {}
|
|
do_catchsql_test triggerC-13.2 {
|
|
UPDATE t12 SET a=a+1, b=b+1;
|
|
} {1 {too many levels of trigger recursion}}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# The following tests seek to verify that constant values (i.e. literals)
|
|
# are not factored out of loops within trigger programs. SQLite does
|
|
# not factor constants out of loops within trigger programs as it may only
|
|
# do so in code generated before the first table or index is opened. And
|
|
# by the time a trigger program is coded, at least one table or index has
|
|
# always been opened.
|
|
#
|
|
# At one point, due to a bug allowing constant factoring within triggers,
|
|
# the following SQL would produce the wrong result.
|
|
#
|
|
set SQL {
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE INDEX i1 ON t1(a, c);
|
|
CREATE INDEX i2 ON t1(b, c);
|
|
INSERT INTO t1 VALUES(1, 2, 3);
|
|
|
|
CREATE TABLE t2(e, f);
|
|
CREATE INDEX i3 ON t2(e);
|
|
INSERT INTO t2 VALUES(1234567, 3);
|
|
|
|
CREATE TABLE empty(x);
|
|
CREATE TABLE not_empty(x);
|
|
INSERT INTO not_empty VALUES(2);
|
|
|
|
CREATE TABLE t4(x);
|
|
CREATE TABLE t5(g, h, i);
|
|
|
|
CREATE TRIGGER trig BEFORE INSERT ON t4 BEGIN
|
|
INSERT INTO t5 SELECT * FROM t1 WHERE
|
|
(a IN (SELECT x FROM empty) OR b IN (SELECT x FROM not_empty))
|
|
AND c IN (SELECT f FROM t2 WHERE e=1234567);
|
|
END;
|
|
|
|
INSERT INTO t4 VALUES(0);
|
|
SELECT * FROM t5;
|
|
}
|
|
|
|
reset_db
|
|
do_execsql_test triggerC-14.1 $SQL {1 2 3}
|
|
reset_db
|
|
optimization_control db factor-constants 0
|
|
do_execsql_test triggerC-14.2 $SQL {1 2 3}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Check that table names used by trigger programs are dequoted exactly
|
|
# once.
|
|
#
|
|
do_execsql_test 15.1.1 {
|
|
PRAGMA recursive_triggers = 1;
|
|
CREATE TABLE node(
|
|
id int not null primary key,
|
|
pid int not null default 0 references node,
|
|
key varchar not null,
|
|
path varchar default '',
|
|
unique(pid, key)
|
|
);
|
|
CREATE TRIGGER node_delete_referencing AFTER DELETE ON "node"
|
|
BEGIN
|
|
DELETE FROM "node" WHERE pid = old."id";
|
|
END;
|
|
}
|
|
do_execsql_test 15.1.2 {
|
|
INSERT INTO node(id, pid, key) VALUES(9, 0, 'test');
|
|
INSERT INTO node(id, pid, key) VALUES(90, 9, 'test1');
|
|
INSERT INTO node(id, pid, key) VALUES(900, 90, 'test2');
|
|
DELETE FROM node WHERE id=9;
|
|
SELECT * FROM node;
|
|
}
|
|
|
|
do_execsql_test 15.2.1 {
|
|
CREATE TABLE x1 (x);
|
|
|
|
CREATE TABLE x2 (a, b);
|
|
CREATE TABLE '"x2"'(a, b);
|
|
|
|
INSERT INTO x2 VALUES(1, 2);
|
|
INSERT INTO x2 VALUES(3, 4);
|
|
INSERT INTO '"x2"' SELECT * FROM x2;
|
|
|
|
CREATE TRIGGER x1ai AFTER INSERT ON x1 BEGIN
|
|
INSERT INTO """x2""" VALUES('x', 'y');
|
|
DELETE FROM """x2""" WHERE a=1;
|
|
UPDATE """x2""" SET b = 11 WHERE a = 3;
|
|
END;
|
|
|
|
INSERT INTO x1 VALUES('go!');
|
|
}
|
|
|
|
do_execsql_test 15.2.2 { SELECT * FROM x2; } {1 2 3 4}
|
|
do_execsql_test 15.2.3 { SELECT * FROM """x2"""; } {3 11 x y}
|
|
|
|
finish_test
|