sl@0: # 2005 August 18
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.
sl@0: #
sl@0: # This file implements tests to increase coverage of trigger.c.
sl@0: #
sl@0: # $Id: trigger7.test,v 1.3 2008/08/11 18:44:58 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: ifcapable {!trigger} {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: 
sl@0: # Error messages resulting from qualified trigger names.
sl@0: #
sl@0: do_test trigger7-1.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t1(x, y);
sl@0:   }
sl@0:   catchsql {
sl@0:     CREATE TEMP TRIGGER main.r1 AFTER INSERT ON t1 BEGIN
sl@0:       SELECT 'no nothing';
sl@0:     END
sl@0:   }
sl@0: } {1 {temporary trigger may not have qualified name}}
sl@0: do_test trigger7-1.2 {
sl@0:   catchsql {
sl@0:     CREATE TRIGGER not_a_db.r1 AFTER INSERT ON t1 BEGIN
sl@0:       SELECT 'no nothing';
sl@0:     END
sl@0:   }
sl@0: } {1 {unknown database not_a_db}}
sl@0: 
sl@0: 
sl@0: # When the UPDATE OF syntax is used, no code is generated for triggers
sl@0: # that do not match the update columns.
sl@0: #
sl@0: ifcapable explain {
sl@0:   do_test trigger7-2.1 {
sl@0:     execsql {
sl@0:       CREATE TRIGGER r1 AFTER UPDATE OF x ON t1 BEGIN
sl@0:         SELECT '___update_t1.x___';
sl@0:       END;
sl@0:       CREATE TRIGGER r2 AFTER UPDATE OF y ON t1 BEGIN
sl@0:         SELECT '___update_t1.y___';
sl@0:       END;
sl@0:     }
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET x=5}]
sl@0:     string match *___update_t1.x___* $txt
sl@0:   } 1
sl@0:   do_test trigger7-2.2 {
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET x=5}]
sl@0:     string match *___update_t1.y___* $txt
sl@0:   } 0
sl@0:   do_test trigger7-2.3 {
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET y=5}]
sl@0:     string match *___update_t1.x___* $txt
sl@0:   } 0
sl@0:   do_test trigger7-2.4 {
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET y=5}]
sl@0:     string match *___update_t1.y___* $txt
sl@0:   } 1
sl@0:   do_test trigger7-2.5 {
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}]
sl@0:     string match *___update_t1.x___* $txt
sl@0:   } 0
sl@0:   do_test trigger7-2.6 {
sl@0:     set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}]
sl@0:     string match *___update_t1.x___* $txt
sl@0:   } 0
sl@0: }
sl@0: 
sl@0: # Test the ability to create many triggers on the same table, then
sl@0: # selectively drop those triggers.
sl@0: #
sl@0: do_test trigger7-3.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t2(x,y,z);
sl@0:     CREATE TRIGGER t2r1 AFTER INSERT ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r2 BEFORE INSERT ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r3 AFTER UPDATE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r4 BEFORE UPDATE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r5 AFTER DELETE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r6 BEFORE DELETE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r7 AFTER INSERT ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r8 BEFORE INSERT ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r9 AFTER UPDATE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r10 BEFORE UPDATE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r11 AFTER DELETE ON t2 BEGIN SELECT 1; END;
sl@0:     CREATE TRIGGER t2r12 BEFORE DELETE ON t2 BEGIN SELECT 1; END;
sl@0:     DROP TRIGGER t2r6;
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: # This test corrupts the database file so it must be the last test
sl@0: # in the series.
sl@0: #
sl@0: do_test trigger7-99.1 {
sl@0:   execsql {
sl@0:     PRAGMA writable_schema=on;
sl@0:     UPDATE sqlite_master SET sql='nonsense';
sl@0:   }
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   catchsql {
sl@0:     DROP TRIGGER t2r5
sl@0:   }
sl@0: } {1 {malformed database schema (t2r12) - near "nonsense": syntax error}}
sl@0: 
sl@0: finish_test