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Annotation of embedaddon/sqlite3/test/tkt2820.test, revision 1.1

1.1     ! misho       1: # 2007 Dec 4
        !             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: # This file is to test that ticket #2820 has been fixed.
        !            13: # Ticket #2820 observes that a DROP TABLE statement that
        !            14: # occurs while a query is in process will fail with a
        !            15: # "database is locked" error, but the entry in the sqlite_master
        !            16: # table will still be removed.  This is incorrect.  The
        !            17: # entry in the sqlite_master table should persist when 
        !            18: # the DROP fails due to an error.
        !            19: #
        !            20: # $Id: tkt2820.test,v 1.1 2007/12/04 16:54:53 drh Exp $
        !            21: #
        !            22: 
        !            23: set testdir [file dirname $argv0]
        !            24: source $testdir/tester.tcl
        !            25: 
        !            26: proc test_schema_change {testid init ddl res} {
        !            27:   db close
        !            28:   forcedelete test.db test.db-journal
        !            29:   sqlite3 db test.db
        !            30:   execsql $init
        !            31:   do_test tkt2820-$testid.1 {
        !            32:     set STMT [sqlite3_prepare db {SELECT * FROM sqlite_master} -1 DUMMY]
        !            33:     sqlite3_step $STMT
        !            34:   } {SQLITE_ROW}
        !            35: #if {$testid==3} {execsql {PRAGMA vdbe_trace=ON}}
        !            36:   do_test tkt2820-$testid.2 "catchsql [list $ddl]" \
        !            37:        {1 {database table is locked}}
        !            38:   do_test tkt2820-$testid.3 {
        !            39:     sqlite3_finalize $STMT
        !            40:     execsql {SELECT name FROM sqlite_master ORDER BY 1}
        !            41:   } $res
        !            42:   integrity_check tkt2820-$testid.4
        !            43:   db close
        !            44:   sqlite3 db test.db
        !            45:   integrity_check tkt2820-$testid.5
        !            46: }
        !            47: 
        !            48: test_schema_change 1 {
        !            49:   CREATE TABLE t1(a);
        !            50: } {
        !            51:   DROP TABLE t1
        !            52: } {t1}
        !            53: test_schema_change 2 {
        !            54:   CREATE TABLE t1(a);
        !            55:   CREATE TABLE t2(b);
        !            56: } {
        !            57:   DROP TABLE t2
        !            58: } {t1 t2}
        !            59: test_schema_change 3 {
        !            60:   CREATE TABLE t1(a);
        !            61:   CREATE INDEX i1 ON t1(a);
        !            62: } {
        !            63:   DROP INDEX i1
        !            64: } {i1 t1}
        !            65: 
        !            66: # We further observe that prior to the fix associated with ticket #2820,
        !            67: # no statement journal would be created on an SQL statement that was run
        !            68: # while a second statement was active, as long as we are in autocommit
        !            69: # mode.  This is incorrect.
        !            70: #
        !            71: do_test tkt2820-4.1 {
        !            72:   db close
        !            73:   forcedelete test.db test.db-journal
        !            74:   sqlite3 db test.db
        !            75:   db eval {
        !            76:     CREATE TABLE t1(a INTEGER PRIMARY KEY);
        !            77:     INSERT INTO t1 VALUES(1);
        !            78:     INSERT INTO t1 VALUES(2);
        !            79:   }
        !            80: 
        !            81:   # The INSERT statement within the loop should fail on a
        !            82:   # constraint violation on the second inserted row.  This
        !            83:   # should cause the entire INSERT to rollback using a statement
        !            84:   # journal.
        !            85:   #
        !            86:   db eval {SELECT name FROM sqlite_master} {
        !            87:     catch {db eval {
        !            88:       INSERT INTO t1 SELECT a+1 FROM t1 ORDER BY a DESC
        !            89:     }}
        !            90:   }
        !            91:   db eval {SELECT a FROM t1 ORDER BY a}
        !            92: } {1 2}
        !            93: 
        !            94: finish_test