# 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 1.25 2004/09/02 15:27:42 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set fcnt 1
proc cksum {{db db}} {
set sql "SELECT name, type, sql FROM sqlite_master ORDER BY name, type"
set txt [$db eval $sql]\n
set sql "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"
foreach tbl [$db eval $sql] {
append txt [$db eval "SELECT * FROM $tbl"]\n
}
foreach prag {default_cache_size} {
append txt $prag-[$db eval "PRAGMA $prag"]\n
}
if 1 {
global fcnt
set fd [open dump$fcnt.txt w]
puts -nonewline $fd $txt
close $fd
incr fcnt
}
set cksum [string length $txt]-[md5 $txt]
# puts $cksum-[file size test.db]
return $cksum
}
do_test vacuum-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
INSERT INTO t1 VALUES(NULL,randstr(10,100),randstr(5,50));
INSERT INTO t1 VALUES(123456,randstr(10,100),randstr(5,50));
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
CREATE INDEX i1 ON t1(b,c);
CREATE UNIQUE INDEX i2 ON t1(c,a);
CREATE TABLE t2 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t2;
}
set ::size1 [file size test.db]
set ::cksum [cksum]
expr {$::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 {
sqlite3 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
}
} {0 {}}
do_test vacuum-2.3 {
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
sqlite3 db test.db
execsql {
PRAGMA empty_result_callbacks=on;
VACUUM;
}
} {}
# Ticket #464. Make sure VACUUM works with the sqlite3_prepare() API.
#
do_test vacuum-4.1 {
db close
set DB [sqlite3 db test.db]
set VM [sqlite3_prepare $DB {VACUUM} -1 TAIL]
sqlite3_step $VM
} {SQLITE_DONE}
do_test vacuum-4.2 {
sqlite3_finalize $VM
} SQLITE_OK
# Ticket #515. VACUUM after deleting and recreating the table that
# a view refers to.
#
do_test vacuum-5.1 {
db close
file delete -force test.db
sqlite3 db test.db
catchsql {
CREATE TABLE Test (TestID int primary key);
INSERT INTO Test VALUES (NULL);
CREATE VIEW viewTest AS SELECT * FROM Test;
BEGIN;
CREATE TEMP TABLE tempTest (TestID int primary key, Test2 int NULL);
INSERT INTO tempTest SELECT TestID, 1 FROM Test;
DROP TABLE Test;
CREATE TABLE Test(TestID int primary key, Test2 int NULL);
INSERT INTO Test SELECT * FROM tempTest;
COMMIT;
VACUUM;
}
} {0 {}}
do_test vacuum-5.2 {
catchsql {
VACUUM;
}
} {0 {}}
# Ensure vacuum works with complicated tables names.
do_test vacuum-6.1 {
execsql {
CREATE TABLE "abc abc"(a, b, c);
INSERT INTO "abc abc" VALUES(1, 2, 3);
VACUUM;
}
} {}
do_test vacuum-6.2 {
execsql {
select * from "abc abc";
}
} {1 2 3}
# Also ensure that blobs survive a vacuum.
do_test vacuum-6.3 {
execsql {
DELETE FROM "abc abc";
INSERT INTO "abc abc" VALUES(X'00112233', NULL, NULL);
VACUUM;
}
} {}
do_test vacuum-6.4 {
execsql {
select count(*) from "abc abc" WHERE a = X'00112233';
}
} {1}
# Check what happens when an in-memory database is vacuumed.
do_test vacuum-7.0 {
sqlite3 db2 :memory:
execsql {
CREATE TABLE t1(t);
VACUUM;
} db2
} {}
db2 close
# Ticket #873. VACUUM a database that has ' in its name.
#
do_test vacuum-8.1 {
file delete -force a'z.db
file delete -force a'z.db-journal
sqlite3 db2 a'z.db
execsql {
CREATE TABLE t1(t);
VACUUM;
} db2
} {}
db2 close
# finish_test