| # 2004 June 30 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # This file implements regression tests for SQLite library. The |
| # focus of this file is verifying that a rollback in one statement |
| # caused by an ON CONFLICT ROLLBACK clause aborts any other pending |
| # statements. |
| # |
| # $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| set DB [sqlite3_connection_pointer db] |
| |
| do_test rollback-1.1 { |
| execsql { |
| CREATE TABLE t1(a); |
| INSERT INTO t1 VALUES(1); |
| INSERT INTO t1 VALUES(2); |
| INSERT INTO t1 VALUES(3); |
| INSERT INTO t1 VALUES(4); |
| SELECT * FROM t1; |
| } |
| } {1 2 3 4} |
| |
| ifcapable conflict { |
| do_test rollback-1.2 { |
| execsql { |
| CREATE TABLE t3(a unique on conflict rollback); |
| INSERT INTO t3 SELECT a FROM t1; |
| BEGIN; |
| INSERT INTO t1 SELECT * FROM t1; |
| } |
| } {} |
| } |
| do_test rollback-1.3 { |
| set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL] |
| sqlite3_step $STMT |
| } {SQLITE_ROW} |
| |
| ifcapable conflict { |
| # This causes a ROLLBACK, which deletes the table out from underneath the |
| # SELECT statement. |
| # |
| do_test rollback-1.4 { |
| catchsql { |
| INSERT INTO t3 SELECT a FROM t1; |
| } |
| } {1 {column a is not unique}} |
| |
| # Try to continue with the SELECT statement |
| # |
| do_test rollback-1.5 { |
| sqlite3_step $STMT |
| } {SQLITE_ERROR} |
| |
| # Restart the SELECT statement |
| # |
| do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_ABORT} |
| } else { |
| do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK} |
| } |
| |
| do_test rollback-1.7 { |
| sqlite3_step $STMT |
| } {SQLITE_ROW} |
| do_test rollback-1.8 { |
| sqlite3_step $STMT |
| } {SQLITE_ROW} |
| do_test rollback-1.9 { |
| sqlite3_finalize $STMT |
| } {SQLITE_OK} |
| |
| if {$tcl_platform(platform) == "unix" |
| && [permutation] ne "onefile" |
| && [permutation] ne "inmemory_journal" |
| } { |
| do_test rollback-2.1 { |
| execsql { |
| BEGIN; |
| INSERT INTO t3 VALUES('hello world'); |
| } |
| file copy -force test.db testA.db |
| file copy -force test.db-journal testA.db-journal |
| execsql { |
| COMMIT; |
| } |
| } {} |
| |
| # At this point files testA.db and testA.db-journal are present in the |
| # file system. This block adds a master-journal file pointer to the |
| # end of testA.db-journal. The master-journal file does not exist. |
| # |
| set mj [file normalize testA.db-mj-123] |
| binary scan $mj c* a |
| set cksum 0 |
| foreach i $a { incr cksum $i } |
| set mj_pgno [expr $sqlite_pending_byte / 1024] |
| set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \ |
| "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" |
| ] |
| set iOffset [expr (([file size testA.db-journal] + 511)/512)*512] |
| set fd [open testA.db-journal a+] |
| fconfigure $fd -encoding binary -translation binary |
| seek $fd $iOffset |
| puts -nonewline $fd $zAppend |
| |
| # Also, fix the first journal-header in the journal-file. Because the |
| # journal file has not yet been synced, the 8-byte magic string at the |
| # start of the first journal-header has not been written by SQLite. |
| # So write it now. |
| seek $fd 0 |
| puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7" |
| close $fd |
| |
| # Open a handle on testA.db and use it to query the database. At one |
| # point the first query would attempt a hot rollback, attempt to open |
| # the master-journal file and return SQLITE_CANTOPEN when it could not |
| # be opened. This is incorrect, it should simply delete the journal |
| # file and proceed with the query. |
| # |
| do_test rollback-2.2 { |
| sqlite3 db2 testA.db |
| execsql { |
| SELECT distinct tbl_name FROM sqlite_master; |
| } db2 |
| } {t1 t3} |
| if {[lsearch {exclusive persistent_journal no_journal} [permutation]]<0} { |
| do_test rollback-2.3 { |
| file exists testA.db-journal |
| } 0 |
| } |
| do_test rollback-2.4 { |
| execsql { |
| SELECT distinct tbl_name FROM sqlite_master; |
| } db2 |
| } {t1 t3} |
| |
| db2 close |
| } |
| |
| finish_test |