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# 2005 February 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: vacuum2.test,v 1.7 2008/01/17 02:36:28 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# If the VACUUM statement is disabled in the current build, skip all
# the tests in this file.
#
ifcapable {!vacuum||!autoinc} {
finish_test
return
}
if $AUTOVACUUM {
finish_test
return
}
# Ticket #1121 - make sure vacuum works if all autoincrement tables
# have been deleted.
#
do_test vacuum2-1.1 {
execsql {
CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
DROP TABLE t1;
VACUUM;
}
} {}
# Ticket #2518. Make sure vacuum increments the change counter
# in the database header.
#
do_test vacuum2-2.1 {
execsql {
CREATE TABLE t1(x);
CREATE TABLE t2(y);
INSERT INTO t1 VALUES(1);
}
hexio_get_int [hexio_read test.db 24 4]
} [expr {[hexio_get_int [hexio_read test.db 24 4]]+3}]
do_test vacuum2-2.1 {
execsql {
VACUUM
}
hexio_get_int [hexio_read test.db 24 4]
} [expr {[hexio_get_int [hexio_read test.db 24 4]]+1}]
############################################################################
# Verify that we can use the auto_vacuum pragma to request a new
# autovacuum setting, do a VACUUM, and the new setting takes effect.
# Make sure this happens correctly even if there are multiple open
# connections to the same database file.
#
sqlite3 db2 test.db
set pageSize [db eval {pragma page_size}]
# We are currently not autovacuuming so the database should be 3 pages
# in size. 1 page for each of sqlite_master, t1, and t2.
#
do_test vacuum2-3.1 {
execsql {
INSERT INTO t1 VALUES('hello');
INSERT INTO t2 VALUES('out there');
}
expr {[file size test.db]/$pageSize}
} {3}
set cksum [cksum]
do_test vacuum2-3.2 {
cksum db2
} $cksum
# Convert the database to an autovacuumed database.
do_test vacuum2-3.3 {
execsql {
PRAGMA auto_vacuum=FULL;
VACUUM;
}
expr {[file size test.db]/$pageSize}
} {4}
do_test vacuum2-3.4 {
cksum db2
} $cksum
do_test vacuum2-3.5 {
cksum
} $cksum
do_test vacuum2-3.6 {
execsql {PRAGMA integrity_check} db2
} {ok}
do_test vacuum2-3.7 {
execsql {PRAGMA integrity_check} db
} {ok}
# Convert the database back to a non-autovacuumed database.
do_test vacuum2-3.13 {
execsql {
PRAGMA auto_vacuum=NONE;
VACUUM;
}
expr {[file size test.db]/$pageSize}
} {3}
do_test vacuum2-3.14 {
cksum db2
} $cksum
do_test vacuum2-3.15 {
cksum
} $cksum
do_test vacuum2-3.16 {
execsql {PRAGMA integrity_check} db2
} {ok}
do_test vacuum2-3.17 {
execsql {PRAGMA integrity_check} db
} {ok}
db2 close
finish_test
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