OLD | NEW |
(Empty) | |
| 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 {UNIQUE constraint failed: t3.a}} |
| 58 |
| 59 # Try to continue with the SELECT statement |
| 60 # |
| 61 do_test rollback-1.5 { |
| 62 sqlite3_step $STMT |
| 63 } {SQLITE_ROW} |
| 64 |
| 65 # Restart the SELECT statement |
| 66 # |
| 67 do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK} |
| 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 |
OLD | NEW |