# 2001 September 15
#
# 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 testing the VACUUM statement.
#
# $Id: vacuum.test,v 1.12 2003/08/26 11:18:19 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
proc cksum {{db db}} {
set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n
foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
append txt [$db eval "SELECT * FROM $tbl"]\n
}
foreach prag {default_synchronous default_cache_size} {
append txt $prag-[$db eval "PRAGMA $prag"]\n
}
set cksum [string length $txt]-[md5 $txt]
# puts $cksum-[file size test.db]
return $cksum
}
do_test vacuum-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
INSERT INTO t1 VALUES(NULL,randstr(10,100),randstr(5,50));
INSERT INTO t1 VALUES(123456,randstr(10,100),randstr(5,50));
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
CREATE INDEX i1 ON t1(b,c);
CREATE TABLE t2 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t2;
}
set ::size1 [file size test.db]
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
do_test vacuum-1.2 {
execsql {
VACUUM;
}
cksum
} $cksum
do_test vacuum-1.3 {
expr {[file size test.db]<$::size1}
} {1}
do_test vacuum-1.4 {
execsql {
BEGIN;
CREATE TABLE t2 AS SELECT * FROM t1;
CREATE TABLE t3 AS SELECT * FROM t1;
CREATE VIEW v1 AS SELECT b, c FROM t3;
CREATE TRIGGER r1 AFTER DELETE ON t2 BEGIN
SELECT 1;
END;
COMMIT;
DROP TABLE t2;
}
set ::size1 [file size test.db]
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
do_test vacuum-1.5 {
execsql {
VACUUM;
}
cksum
} $cksum
do_test vacuum-1.6 {
expr {[file size test.db]<$::size1}
} {1}
do_test vacuum-2.1 {
catchsql {
BEGIN;
VACUUM;
COMMIT;
}
} {1 {cannot VACUUM from within a transaction}}
catch {db eval COMMIT}
do_test vacuum-2.2 {
sqlite db2 test.db
execsql {
BEGIN;
CREATE TABLE t4 AS SELECT * FROM t1;
CREATE TABLE t5 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t4;
DROP TABLE t5;
} db2
set ::cksum [cksum db2]
catchsql {
VACUUM
}
} {1 {database schema has changed}}
do_test vacuum-2.3 {
execsql {
VACUUM;
}
cksum
} $cksum
do_test vacuum-2.4 {
catch {db2 eval {SELECT count(*) FROM sqlite_master}}
cksum db2
} $cksum
# Ticket #427. Make sure VACUUM works when the EMPTY_RESULT_CALLBACKS
# pragma is turned on.
#
do_test vacuum-3.1 {
db close
db2 close
file delete test.db
sqlite db test.db
execsql {
PRAGMA empty_result_callbacks=on;
VACUUM;
}
} {}
catch {db2 close}
# finish_test