ddac25c732
by setting the auto_vacuum pragma then running the VACUUM command. (CVS 4592) FossilOrigin-Name: bdfc19e838b369a8c5d5d23663fad690f55ba3d7
143 lines
3.4 KiB
Plaintext
143 lines
3.4 KiB
Plaintext
# 2005 February 15
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the VACUUM statement.
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#
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# $Id: vacuum2.test,v 1.4 2007/12/05 01:38:24 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# If the VACUUM statement is disabled in the current build, skip all
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# the tests in this file.
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#
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ifcapable {!vacuum||!autoinc} {
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finish_test
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return
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}
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if $AUTOVACUUM {
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finish_test
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return
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}
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# Ticket #1121 - make sure vacuum works if all autoincrement tables
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# have been deleted.
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#
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do_test vacuum2-1.1 {
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execsql {
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CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
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DROP TABLE t1;
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VACUUM;
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}
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} {}
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# Ticket #2518. Make sure vacuum increments the change counter
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# in the database header.
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#
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do_test vacuum2-2.1 {
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execsql {
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CREATE TABLE t1(x);
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CREATE TABLE t2(y);
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INSERT INTO t1 VALUES(1);
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}
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hexio_get_int [hexio_read test.db 24 4]
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} [expr {[hexio_get_int [hexio_read test.db 24 4]]+3}]
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do_test vacuum2-2.1 {
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execsql {
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VACUUM
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}
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hexio_get_int [hexio_read test.db 24 4]
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} [expr {[hexio_get_int [hexio_read test.db 24 4]]+1}]
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############################################################################
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# Verify that we can use the auto_vacuum pragma to request a new
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# autovacuum setting, do a VACUUM, and the new setting takes effect.
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# Make sure this happens correctly even if there are multiple open
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# connections to the same database file.
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#
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sqlite3 db2 test.db
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set pageSize [db eval {pragma page_size}]
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# Compute a checksum on the content of a database
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#
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proc cksum {{db db}} {
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set sql "SELECT name, type, sql FROM sqlite_master ORDER BY name, type"
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set txt [$db eval $sql]\n
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set sql "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name"
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foreach tbl [$db eval $sql] {
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append txt [$db eval "SELECT * FROM $tbl"]\n
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}
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foreach prag {default_cache_size} {
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append txt $prag-[$db eval "PRAGMA $prag"]\n
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}
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set cksum [string length $txt]-[md5 $txt]
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return $cksum
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}
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# We are currently not autovacuuming so the database should be 3 pages
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# in size. 1 page for each of sqlite_master, t1, and t2.
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#
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do_test vacuum2-3.1 {
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execsql {
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INSERT INTO t1 VALUES('hello');
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INSERT INTO t2 VALUES('out there');
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}
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expr {[file size test.db]/$pageSize}
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} {3}
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set cksum [cksum]
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do_test vacuum2-3.2 {
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cksum db2
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} $cksum
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# Convert the database to an autovacuumed database.
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do_test vacuum2-3.3 {
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execsql {
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PRAGMA auto_vacuum=FULL;
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VACUUM;
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}
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expr {[file size test.db]/$pageSize}
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} {4}
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do_test vacuum2-3.4 {
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cksum db2
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} $cksum
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do_test vacuum2-3.5 {
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cksum
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} $cksum
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do_test vacuum2-3.6 {
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execsql {PRAGMA integrity_check} db2
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} {ok}
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do_test vacuum2-3.7 {
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execsql {PRAGMA integrity_check} db
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} {ok}
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# Convert the database back to a non-autovacuumed database.
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do_test vacuum2-3.13 {
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execsql {
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PRAGMA auto_vacuum=NONE;
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VACUUM;
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}
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expr {[file size test.db]/$pageSize}
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} {3}
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do_test vacuum2-3.14 {
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cksum db2
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} $cksum
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do_test vacuum2-3.15 {
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cksum
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} $cksum
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do_test vacuum2-3.16 {
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execsql {PRAGMA integrity_check} db2
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} {ok}
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do_test vacuum2-3.17 {
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execsql {PRAGMA integrity_check} db
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} {ok}
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finish_test
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