Return to rollback.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

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

1.1     ! misho       1: # 2004 June 30
        !             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: # This file implements regression tests for SQLite library.  The
        !            12: # focus of this file is verifying that a rollback in one statement
        !            13: # caused by an ON CONFLICT ROLLBACK clause aborts any other pending
        !            14: # statements.
        !            15: #
        !            16: # $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $
        !            17: 
        !            18: set testdir [file dirname $argv0]
        !            19: source $testdir/tester.tcl
        !            20: 
        !            21: set DB [sqlite3_connection_pointer db]
        !            22: 
        !            23: do_test rollback-1.1 {
        !            24:   execsql {
        !            25:     CREATE TABLE t1(a);
        !            26:     INSERT INTO t1 VALUES(1);
        !            27:     INSERT INTO t1 VALUES(2);
        !            28:     INSERT INTO t1 VALUES(3);
        !            29:     INSERT INTO t1 VALUES(4);
        !            30:     SELECT * FROM t1;
        !            31:   }
        !            32: } {1 2 3 4}
        !            33: 
        !            34: ifcapable conflict {
        !            35:   do_test rollback-1.2 {
        !            36:     execsql {
        !            37:       CREATE TABLE t3(a unique on conflict rollback);
        !            38:       INSERT INTO t3 SELECT a FROM t1;
        !            39:       BEGIN;
        !            40:       INSERT INTO t1 SELECT * FROM t1;
        !            41:     }
        !            42:   } {}
        !            43: }
        !            44: do_test rollback-1.3 {
        !            45:   set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL]
        !            46:   sqlite3_step $STMT
        !            47: } {SQLITE_ROW}
        !            48: 
        !            49: ifcapable conflict {
        !            50:   # This causes a ROLLBACK, which deletes the table out from underneath the
        !            51:   # SELECT statement.
        !            52:   #
        !            53:   do_test rollback-1.4 {
        !            54:     catchsql {
        !            55:       INSERT INTO t3 SELECT a FROM t1;
        !            56:     }
        !            57:   } {1 {column a is not unique}}
        !            58:   
        !            59:   # Try to continue with the SELECT statement
        !            60:   #
        !            61:   do_test rollback-1.5 {
        !            62:     sqlite3_step $STMT
        !            63:   } {SQLITE_ERROR}
        !            64: 
        !            65:   # Restart the SELECT statement
        !            66:   #
        !            67:   do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_ABORT}
        !            68: } else {
        !            69:   do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}
        !            70: }
        !            71: 
        !            72: do_test rollback-1.7 {
        !            73:   sqlite3_step $STMT
        !            74: } {SQLITE_ROW}
        !            75: do_test rollback-1.8 {
        !            76:   sqlite3_step $STMT
        !            77: } {SQLITE_ROW}
        !            78: do_test rollback-1.9 {
        !            79:   sqlite3_finalize $STMT
        !            80: } {SQLITE_OK}
        !            81: 
        !            82: if {$tcl_platform(platform) == "unix" 
        !            83:  && [permutation] ne "onefile"
        !            84:  && [permutation] ne "inmemory_journal"
        !            85: } {
        !            86:   do_test rollback-2.1 {
        !            87:     execsql {
        !            88:       BEGIN;
        !            89:       INSERT INTO t3 VALUES('hello world');
        !            90:     }
        !            91:     forcecopy test.db testA.db
        !            92:     forcecopy test.db-journal testA.db-journal
        !            93:     execsql {
        !            94:       COMMIT;
        !            95:     }
        !            96:   } {}
        !            97: 
        !            98:   # At this point files testA.db and testA.db-journal are present in the
        !            99:   # file system. This block adds a master-journal file pointer to the
        !           100:   # end of testA.db-journal. The master-journal file does not exist.
        !           101:   # 
        !           102:   set mj [file normalize testA.db-mj-123]
        !           103:   binary scan $mj c* a
        !           104:   set cksum 0
        !           105:   foreach i $a { incr cksum $i }
        !           106:   set mj_pgno [expr $sqlite_pending_byte / 1024]
        !           107:   set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \
        !           108:     "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
        !           109:   ]
        !           110:   set iOffset [expr (([file size testA.db-journal] + 511)/512)*512]
        !           111:   set fd [open testA.db-journal a+]
        !           112:   fconfigure $fd -encoding binary -translation binary
        !           113:   seek $fd $iOffset
        !           114:   puts -nonewline $fd $zAppend
        !           115: 
        !           116:   # Also, fix the first journal-header in the journal-file. Because the
        !           117:   # journal file has not yet been synced, the 8-byte magic string at the
        !           118:   # start of the first journal-header has not been written by SQLite.
        !           119:   # So write it now.
        !           120:   seek $fd 0
        !           121:   puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
        !           122:   close $fd
        !           123: 
        !           124:   # Open a handle on testA.db and use it to query the database. At one
        !           125:   # point the first query would attempt a hot rollback, attempt to open
        !           126:   # the master-journal file and return SQLITE_CANTOPEN when it could not
        !           127:   # be opened. This is incorrect, it should simply delete the journal
        !           128:   # file and proceed with the query.
        !           129:   # 
        !           130:   do_test rollback-2.2 {
        !           131:     sqlite3 db2 testA.db
        !           132:     execsql {
        !           133:       SELECT distinct tbl_name FROM sqlite_master;
        !           134:     } db2
        !           135:   } {t1 t3}
        !           136:   if {[lsearch {exclusive persistent_journal no_journal} [permutation]]<0} {
        !           137:     do_test rollback-2.3 {
        !           138:       file exists testA.db-journal
        !           139:     } 0
        !           140:   }
        !           141:   do_test rollback-2.4 {
        !           142:     execsql {
        !           143:       SELECT distinct tbl_name FROM sqlite_master;
        !           144:     } db2
        !           145:   } {t1 t3}
        !           146: 
        !           147:   db2 close
        !           148: }
        !           149: 
        !           150: finish_test