# 2008 November 20 # # 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. # # When a transaction rolls back, make sure that dirty pages in the # page cache which are not in the rollback journal are reinitialized # in the btree layer. # # $Id: tkt35xx.test,v 1.4 2009/06/05 17:09:12 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl do_test tkt35xx-1.1 { execsql { PRAGMA auto_vacuum = 0; PRAGMA page_size = 1024; } } {} # Trigger the problem using explicit rollback. # do_test tkt35xx-1.1 { execsql { PRAGMA auto_vacuum = 0; CREATE TABLE t1(a,b,c); CREATE INDEX i1 ON t1(c); INSERT INTO t1 VALUES(0, 0, zeroblob(676)); INSERT INTO t1 VALUES(1, 1, zeroblob(676)); DELETE FROM t1; BEGIN; INSERT INTO t1 VALUES(0, 0, zeroblob(676)); INSERT INTO t1 VALUES(1, 1, zeroblob(676)); ROLLBACK; INSERT INTO t1 VALUES(0, 0, zeroblob(676)); } execsql { INSERT INTO t1 VALUES(1, 1, zeroblob(676)); } } {} # Trigger the problem using statement rollback. # db close delete_file test.db sqlite3 db test.db set big [string repeat abcdefghij 22] ;# 220 byte string do_test tkt35xx-1.2.1 { execsql { PRAGMA auto_vacuum = 0; PRAGMA page_size = 1024; CREATE TABLE t3(a INTEGER PRIMARY KEY, b); INSERT INTO t3 VALUES(1, $big); INSERT INTO t3 VALUES(2, $big); INSERT INTO t3 VALUES(3, $big); INSERT INTO t3 VALUES(4, $big); CREATE TABLE t4(c, d); INSERT INTO t4 VALUES(5, $big); INSERT INTO t4 VALUES(1, $big); } } {} do_test tkt35xx-1.2.2 { catchsql { BEGIN; CREATE TABLE t5(e PRIMARY KEY, f); DROP TABLE t5; INSERT INTO t3(a, b) SELECT c, d FROM t4; } } {1 {PRIMARY KEY must be unique}} do_test tkt35xx-1.2.3 { # Show that the transaction has not been rolled back. catchsql BEGIN } {1 {cannot start a transaction within a transaction}} do_test tkt35xx-1.2.4 { execsql { SELECT count(*) FROM t3 } } {4} do_test tkt35xx-1.2.5 { # Before the bug was fixed, if SQLITE_DEBUG was defined an assert() # would fail during the following INSERT statement. If SQLITE_DEBUG # was not defined, then the statement would pass and the transaction # would be committed. But, the "SELECT count(*)" in tkt35xx-1.2.6 would # return 1, not 5. Data magically disappeared! # execsql { INSERT INTO t3 VALUES(5, $big); COMMIT; } } {} do_test tkt35xx-1.2.6 { execsql { SELECT count(*) FROM t3 } } {5} integrity_check tkt35xx-1.2.7 finish_test