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| 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 set permutation "" | |
| 83 catch {set permutation $::permutations_test_prefix} | |
| 84 if {$tcl_platform(platform) == "unix" | |
| 85 && $permutation ne "onefile" | |
| 86 && $permutation ne "inmemory_journal" | |
| 87 } { | |
| 88 do_test rollback-2.1 { | |
| 89 execsql { | |
| 90 BEGIN; | |
| 91 INSERT INTO t3 VALUES('hello world'); | |
| 92 } | |
| 93 file copy -force test.db testA.db | |
| 94 file copy -force test.db-journal testA.db-journal | |
| 95 execsql { | |
| 96 COMMIT; | |
| 97 } | |
| 98 } {} | |
| 99 | |
| 100 # At this point files testA.db and testA.db-journal are present in the | |
| 101 # file system. This block adds a master-journal file pointer to the | |
| 102 # end of testA.db-journal. The master-journal file does not exist. | |
| 103 # | |
| 104 set mj [file normalize testA.db-mj-123] | |
| 105 binary scan $mj c* a | |
| 106 set cksum 0 | |
| 107 foreach i $a { incr cksum $i } | |
| 108 set mj_pgno [expr $sqlite_pending_byte / 1024] | |
| 109 set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \ | |
| 110 "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" | |
| 111 ] | |
| 112 set iOffset [expr (([file size testA.db-journal] + 511)/512)*512] | |
| 113 set fd [open testA.db-journal a+] | |
| 114 fconfigure $fd -encoding binary -translation binary | |
| 115 seek $fd $iOffset | |
| 116 puts -nonewline $fd $zAppend | |
| 117 | |
| 118 # Also, fix the first journal-header in the journal-file. Because the | |
| 119 # journal file has not yet been synced, the 8-byte magic string at the | |
| 120 # start of the first journal-header has not been written by SQLite. | |
| 121 # So write it now. | |
| 122 seek $fd 0 | |
| 123 puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" | |
| 124 close $fd | |
| 125 | |
| 126 # Open a handle on testA.db and use it to query the database. At one | |
| 127 # point the first query would attempt a hot rollback, attempt to open | |
| 128 # the master-journal file and return SQLITE_CANTOPEN when it could not | |
| 129 # be opened. This is incorrect, it should simply delete the journal | |
| 130 # file and proceed with the query. | |
| 131 # | |
| 132 do_test rollback-2.2 { | |
| 133 sqlite3 db2 testA.db | |
| 134 execsql { | |
| 135 SELECT distinct tbl_name FROM sqlite_master; | |
| 136 } db2 | |
| 137 } {t1 t3} | |
| 138 if {[lsearch {exclusive persistent_journal no_journal} $permutation]<0} { | |
| 139 do_test rollback-2.3 { | |
| 140 file exists testA.db-journal | |
| 141 } 0 | |
| 142 } | |
| 143 do_test rollback-2.4 { | |
| 144 execsql { | |
| 145 SELECT distinct tbl_name FROM sqlite_master; | |
| 146 } db2 | |
| 147 } {t1 t3} | |
| 148 | |
| 149 db2 close | |
| 150 } | |
| 151 | |
| 152 finish_test | |
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