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

1.1     ! misho       1: # 2009 February 27
        !             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: # $Id: temptrigger.test,v 1.3 2009/04/15 13:07:19 drh Exp $
        !            13: 
        !            14: set testdir [file dirname $argv0]
        !            15: source $testdir/tester.tcl
        !            16: 
        !            17: ifcapable {!trigger || !shared_cache} { finish_test ; return }
        !            18: 
        !            19: # Test cases:
        !            20: #
        !            21: #   temptrigger-1.*: Shared cache problem.
        !            22: #   temptrigger-2.*: A similar shared cache problem.
        !            23: #   temptrigger-3.*: Attached database problem.
        !            24: #
        !            25: 
        !            26: #-------------------------------------------------------------------------
        !            27: # Test case temptrigger-1.* demonstrates a problem with temp triggers
        !            28: # in shared-cache mode. If process 1 connections to a shared-cache and
        !            29: # creates a temp trigger, the temp trigger is linked into the shared-cache
        !            30: # schema. If process 2 reloads the shared-cache schema from disk, then
        !            31: # it does not recreate the temp trigger belonging to process 1. From the
        !            32: # point of view of process 1, the temp trigger just disappeared.
        !            33: # 
        !            34: #   temptrigger-1.1: In shared cache mode, create a table in the main 
        !            35: #                    database and add a temp trigger to it.
        !            36: #
        !            37: #   temptrigger-1.2: Check that the temp trigger is correctly fired. Check
        !            38: #                    that the temp trigger is not fired by statements
        !            39: #                    executed by a second connection connected to the 
        !            40: #                    same shared cache.
        !            41: #
        !            42: #   temptrigger-1.3: Using the second connection to the shared-cache, cause
        !            43: #                    the shared-cache schema to be reloaded.
        !            44: #
        !            45: #   temptrigger-1.4: Check that the temp trigger is still fired correctly.
        !            46: #
        !            47: #   temptrigger-1.5: Check that the temp trigger can be dropped without error.
        !            48: #
        !            49: db close
        !            50: set ::enable_shared_cache [sqlite3_enable_shared_cache]
        !            51: sqlite3_enable_shared_cache 1
        !            52: 
        !            53: sqlite3 db test.db
        !            54: sqlite3 db2 test.db
        !            55: 
        !            56: do_test temptrigger-1.1 {
        !            57:   execsql {
        !            58:     CREATE TABLE t1(a, b);
        !            59:     CREATE TEMP TABLE tt1(a, b);
        !            60:     CREATE TEMP TRIGGER tr1 AFTER INSERT ON t1 BEGIN
        !            61:       INSERT INTO tt1 VALUES(new.a, new.b);
        !            62:     END;
        !            63:   }
        !            64: } {}
        !            65: 
        !            66: do_test temptrigger-1.2.1 {
        !            67:   execsql { INSERT INTO t1 VALUES(1, 2) }
        !            68:   execsql { SELECT * FROM t1 }
        !            69: } {1 2}
        !            70: do_test temptrigger-1.2.2 {
        !            71:   execsql { SELECT * FROM tt1 }
        !            72: } {1 2}
        !            73: do_test temptrigger-1.2.3 {
        !            74:   execsql { INSERT INTO t1 VALUES(3, 4) } db2
        !            75:   execsql { SELECT * FROM t1 }
        !            76: } {1 2 3 4}
        !            77: do_test temptrigger-1.2.4 {
        !            78:   execsql { SELECT * FROM tt1 }
        !            79: } {1 2}
        !            80: 
        !            81: # Cause the shared-cache schema to be reloaded.
        !            82: #
        !            83: do_test temptrigger-1.3 {
        !            84:   execsql { BEGIN; CREATE TABLE t3(a, b); ROLLBACK; } db2
        !            85: } {}
        !            86: 
        !            87: do_test temptrigger-1.4 {
        !            88:   execsql { INSERT INTO t1 VALUES(5, 6) }
        !            89:   execsql { SELECT * FROM tt1 }
        !            90: } {1 2 5 6}
        !            91: 
        !            92: do_test temptrigger-1.5 {
        !            93:   # Before the bug was fixed, the following 'DROP TRIGGER' hit an 
        !            94:   # assert if executed.
        !            95:   #execsql { DROP TRIGGER tr1 }
        !            96: } {}
        !            97: 
        !            98: catch {db close}
        !            99: catch {db2 close}
        !           100: 
        !           101: #-------------------------------------------------------------------------
        !           102: # Tests temptrigger-2.* are similar to temptrigger-1.*, except that
        !           103: # temptrigger-2.3 simply opens and closes a connection to the shared-cache.
        !           104: # It does not do anything special to cause the schema to be reloaded.
        !           105: # 
        !           106: do_test temptrigger-2.1 {
        !           107:   sqlite3 db test.db
        !           108:   execsql {
        !           109:     DELETE FROM t1;
        !           110:     CREATE TEMP TABLE tt1(a, b);
        !           111:     CREATE TEMP TRIGGER tr1 AFTER INSERT ON t1 BEGIN
        !           112:       INSERT INTO tt1 VALUES(new.a, new.b);
        !           113:     END;
        !           114:   }
        !           115: } {}
        !           116: do_test temptrigger-2.2 {
        !           117:   execsql {
        !           118:     INSERT INTO t1 VALUES(10, 20);
        !           119:     SELECT * FROM tt1;
        !           120:   }
        !           121: } {10 20}
        !           122: do_test temptrigger-2.3 {
        !           123:   sqlite3 db2 test.db
        !           124:   db2 close
        !           125: } {}
        !           126: do_test temptrigger-2.4 {
        !           127:   execsql {
        !           128:     INSERT INTO t1 VALUES(30, 40);
        !           129:     SELECT * FROM tt1;
        !           130:   }
        !           131: } {10 20 30 40}
        !           132: do_test temptrigger-2.5 {
        !           133:   #execsql { DROP TRIGGER tr1 }
        !           134: } {}
        !           135: 
        !           136: catch {db close}
        !           137: catch {db2 close}
        !           138: sqlite3_enable_shared_cache $::enable_shared_cache
        !           139: 
        !           140: #-------------------------------------------------------------------------
        !           141: # Test case temptrigger-3.* demonstrates a problem with temp triggers
        !           142: # on tables located in attached databases. At one point when SQLite reloaded 
        !           143: # the schema of an attached database (because some other connection had 
        !           144: # changed the schema cookie) it was not re-creating temp triggers attached 
        !           145: # to tables located within the attached database.
        !           146: # 
        !           147: #   temptrigger-3.1: Attach database 'test2.db' to connection [db]. Add a
        !           148: #                    temp trigger to a table in 'test2.db'.
        !           149: #
        !           150: #   temptrigger-3.2: Check that the temp trigger is correctly fired.
        !           151: #
        !           152: #   temptrigger-3.3: Update the schema of 'test2.db' using an external
        !           153: #                    connection. This forces [db] to reload the 'test2.db'
        !           154: #                    schema. Check that the temp trigger is still fired
        !           155: #                    correctly.
        !           156: #
        !           157: #   temptrigger-3.4: Check that the temp trigger can be dropped without error.
        !           158: # 
        !           159: do_test temptrigger-3.1 {
        !           160:   catch { forcedelete test2.db test2.db-journal }
        !           161:   catch { forcedelete test.db test.db-journal }
        !           162:   sqlite3 db test.db 
        !           163:   sqlite3 db2 test2.db 
        !           164:   execsql { CREATE TABLE t2(a, b) } db2
        !           165:   execsql {
        !           166:     ATTACH 'test2.db' AS aux;
        !           167:     CREATE TEMP TABLE tt2(a, b);
        !           168:     CREATE TEMP TRIGGER tr2 AFTER INSERT ON aux.t2 BEGIN
        !           169:       INSERT INTO tt2 VALUES(new.a, new.b);
        !           170:     END;
        !           171:   }
        !           172: } {}
        !           173: 
        !           174: do_test temptrigger-3.2.1 {
        !           175:   execsql { 
        !           176:     INSERT INTO aux.t2 VALUES(1, 2);
        !           177:     SELECT * FROM aux.t2;
        !           178:   }
        !           179: } {1 2}
        !           180: do_test temptrigger-3.2.2 {
        !           181:   execsql { SELECT * FROM tt2 }
        !           182: } {1 2}
        !           183: 
        !           184: do_test temptrigger-3.3.1 {
        !           185:   execsql { CREATE TABLE t3(a, b) } db2
        !           186:   execsql { 
        !           187:     INSERT INTO aux.t2 VALUES(3, 4);
        !           188:     SELECT * FROM aux.t2;
        !           189:   }
        !           190: } {1 2 3 4}
        !           191: do_test temptrigger-3.3.2 {
        !           192:   execsql { SELECT * FROM tt2 }
        !           193: } {1 2 3 4}
        !           194: 
        !           195: do_test temptrigger-3.4 {
        !           196:   # Before the bug was fixed, the following 'DROP TRIGGER' hit an 
        !           197:   # assert if executed.
        !           198:   #execsql { DROP TRIGGER tr2 }
        !           199: } {}
        !           200: 
        !           201: catch { db close }
        !           202: catch { db2 close }
        !           203: 
        !           204: finish_test

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