# 2008 April 14
#
# 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 in making sure that rolling back
# a statement journal works correctly.
#
# $Id: tempdb.test,v 1.4 2009/06/05 17:09:12 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
if {[atomic_batch_write test.db]} {
finish_test
return
}
# Use a temporary database.
#
db close
sqlite3 db {}
# Force a statement journal rollback on a database file that
# has never been opened.
#
do_test tempdb-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(x UNIQUE);
CREATE TABLE t2(y);
INSERT INTO t2 VALUES('hello');
INSERT INTO t2 VALUES(NULL);
}
# Because of the transaction, the temporary database file
# has not even been opened yet. The following statement
# will cause a statement journal rollback on this non-existant
# file.
catchsql {
INSERT INTO t1
SELECT CASE WHEN y IS NULL THEN test_error('oops', 11) ELSE y END
FROM t2;
}
} {1 oops}
# Verify that no writes occurred in t1.
#
do_test tempdb-1.2 {
execsql {
SELECT * FROM t1
}
} {}
set extrafds 0
if {[forced_proxy_locking]} {
set extrafds 2
}
do_test tempdb-2.1 {
# Set $::jrnl_in_memory if the journal file is expected to be in-memory.
# Similarly, set $::subj_in_memory if the sub-journal file is expected
# to be in memory. These variables are used to calculate the expected
# number of open files in the test cases below.
#
set jrnl_in_memory [expr {[permutation] eq "inmemory_journal"}]
set subj_in_memory [expr {$jrnl_in_memory || $TEMP_STORE>=2}]
db close
sqlite3 db test.db
} {}
do_test tempdb-2.2 {
execsql {
CREATE TABLE t1 (a PRIMARY KEY, b, c);
CREATE TABLE t2 (a, b, c);
BEGIN;
INSERT INTO t1 VALUES(1, 2, 3);
INSERT INTO t1 VALUES(4, 5, 6);
INSERT INTO t2 VALUES(7, 8, 9);
INSERT INTO t2 SELECT * FROM t1;
}
catchsql { INSERT INTO t1 SELECT * FROM t2 }
set sqlite_open_file_count
} [expr 1 + $extrafds + (0==$jrnl_in_memory)]
do_test tempdb-2.3 {
execsql {
PRAGMA temp_store = 'memory';
ROLLBACK;
BEGIN;
INSERT INTO t1 VALUES(1, 2, 3);
INSERT INTO t1 VALUES(4, 5, 6);
INSERT INTO t2 SELECT * FROM t1;
}
catchsql { INSERT INTO t1 SELECT * FROM t2 }
set sqlite_open_file_count
} [expr 1 + $extrafds + (0==$jrnl_in_memory)]
finish_test