AryaWu/sqlite

1# 2008 April 142#3# The author disclaims copyright to this source code.  In place of4# 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.12# The focus of this file is in making sure that rolling back13# a statement journal works correctly.14#15# $Id: tempdb.test,v 1.4 2009/06/05 17:09:12 drh Exp $16 17set testdir [file dirname $argv0]18source $testdir/tester.tcl19 20if {[atomic_batch_write test.db]} {21  finish_test22  return23}24 25# Use a temporary database.26#27db close28sqlite3 db {}29 30# Force a statement journal rollback on a database file that31# has never been opened.32#33do_test tempdb-1.1 {34  execsql {35    BEGIN;36    CREATE TABLE t1(x UNIQUE);37    CREATE TABLE t2(y);38    INSERT INTO t2 VALUES('hello');39    INSERT INTO t2 VALUES(NULL);40  }41  # Because of the transaction, the temporary database file42  # has not even been opened yet.  The following statement43  # will cause a statement journal rollback on this non-existant44  # file.45  catchsql {46    INSERT INTO t147    SELECT CASE WHEN y IS NULL THEN test_error('oops', 11) ELSE y END48      FROM t2;49  }50} {1 oops}51 52# Verify that no writes occurred in t1.53#54do_test tempdb-1.2 {55  execsql {56    SELECT * FROM t157  }58} {}59 60do_test tempdb-2.1 {61  # Set $::jrnl_in_memory if the journal file is expected to be in-memory.62  # Similarly, set $::subj_in_memory if the sub-journal file is expected63  # to be in memory. These variables are used to calculate the expected64  # number of open files in the test cases below.65  #66  set jrnl_in_memory [expr {[permutation] eq "inmemory_journal"}]67  set subj_in_memory [expr {$jrnl_in_memory || $TEMP_STORE>=2}]68 69  db close70  sqlite3 db test.db71} {}72do_test tempdb-2.2 {73  execsql {74    CREATE TABLE t1 (a PRIMARY KEY, b, c);75    CREATE TABLE t2 (a, b, c);76    BEGIN;77      INSERT INTO t1 VALUES(1, 2, 3);78      INSERT INTO t1 VALUES(4, 5, 6);79      INSERT INTO t2 VALUES(7, 8, 9);80      INSERT INTO t2 SELECT * FROM t1;81  }82  catchsql { INSERT INTO t1 SELECT * FROM t2 }83  set sqlite_open_file_count84} [expr 1 + (0==$jrnl_in_memory)]85do_test tempdb-2.3 {86  execsql {87    PRAGMA temp_store = 'memory';88    ROLLBACK;89    BEGIN;90      INSERT INTO t1 VALUES(1, 2, 3);91      INSERT INTO t1 VALUES(4, 5, 6);92      INSERT INTO t2 SELECT * FROM t1;93  }94  catchsql { INSERT INTO t1 SELECT * FROM t2 }95  set sqlite_open_file_count96} [expr 1 + (0==$jrnl_in_memory)]97 98finish_test99