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Annotation of embedaddon/sqlite3/test/tkt3810.test, revision 1.1

1.1     ! misho       1: # 2009 August 1
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: #
        !            12: # Tests to make sure #3810 is fixed.
        !            13: #
        !            14: # $Id: tkt3810.test,v 1.4 2009/08/06 17:43:31 drh Exp $
        !            15: 
        !            16: set testdir [file dirname $argv0]
        !            17: source $testdir/tester.tcl
        !            18: ifcapable {!trigger} {
        !            19:   finish_test
        !            20:   return
        !            21: }
        !            22: 
        !            23: # Create a table using the first database connection.
        !            24: #
        !            25: do_test tkt3810-1.1 {
        !            26:   execsql {
        !            27:     CREATE TABLE t1(x);
        !            28:     INSERT INTO t1 VALUES(123);
        !            29:     SELECT * FROM t1;
        !            30:     CREATE TABLE t2(y);
        !            31:     CREATE TABLE t3(z);
        !            32:   }
        !            33: } 123
        !            34: 
        !            35: # Create a second connection to the same database.  Make sure the
        !            36: # schema of the database has been parsed by the second connection.
        !            37: #
        !            38: do_test tkt3810-2 {
        !            39:   sqlite3 db2 test.db
        !            40:   execsql {
        !            41:     SELECT * FROM t1;
        !            42:   } db2
        !            43: } 123
        !            44: 
        !            45: # DROP the table using the second connection.  The table no longer exists
        !            46: # but the first connection does not yet know this.  Then try to create a TEMP
        !            47: # trigger in the first connection that references the table that was dropped.
        !            48: #
        !            49: do_test tkt3810-3 {
        !            50:   execsql {DROP TABLE t1} db2
        !            51:   execsql {
        !            52:      CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN
        !            53:        INSERT INTO t2 VALUES(new.rowid);
        !            54:      END;
        !            55:   }
        !            56:   catchsql {
        !            57:     SELECT * FROM t3;
        !            58:   }
        !            59: } {0 {}}
        !            60: 
        !            61: # Trigger still exists in the sqlite_temp_master table, but now it is
        !            62: # an orphan.
        !            63: #
        !            64: do_test tkt3810-4 {
        !            65:   execsql {SELECT name FROM sqlite_temp_master ORDER BY name}
        !            66: } {r1}
        !            67: 
        !            68: # Because it is an orphan, it cannot be dropped.
        !            69: #
        !            70: do_test tkt3810-5 {
        !            71:   catchsql {DROP TRIGGER r1}
        !            72: } {1 {no such trigger: r1}}
        !            73: 
        !            74: # Create a table t1 then drop the table in order to drop the orphaned
        !            75: # trigger.
        !            76: #
        !            77: do_test tkt3810-6 {
        !            78:   execsql {CREATE TABLE t1(x)} db2
        !            79:   execsql {DROP TABLE t1}
        !            80:   execsql {
        !            81:     SELECT name FROM sqlite_temp_master;
        !            82:   }
        !            83: } {}
        !            84: 
        !            85: db2 close
        !            86: 
        !            87: finish_test