mirror of https://github.com/sqlite/sqlite
128 lines
3.1 KiB
Plaintext
128 lines
3.1 KiB
Plaintext
# 2007 May 04
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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 incremental vacuum feature.
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#
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# $Id: incrvacuum2.test,v 1.4 2007/10/09 08:29:32 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# If this build of the library does not support auto-vacuum, omit this
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# whole file.
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ifcapable {!autovacuum || !pragma} {
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finish_test
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return
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}
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# If the OMIT_INCRBLOB symbol was defined at compile time, there
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# is no zeroblob() function available. So create a similar
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# function here using Tcl. It doesn't return a blob, but it returns
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# data of the required length, which is good enough for this
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# test file.
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ifcapable !incrblob {
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proc zeroblob {n} { string repeat 0 $n }
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db function zeroblob zeroblob
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}
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# Create a database in incremental vacuum mode that has many
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# pages on the freelist.
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#
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do_test incrvacuum2-1.1 {
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execsql {
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PRAGMA page_size=1024;
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PRAGMA auto_vacuum=incremental;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(zeroblob(30000));
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DELETE FROM t1;
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}
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file size test.db
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} {32768}
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# Vacuum off a single page.
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#
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do_test incrvacuum2-1.2 {
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execsql {
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PRAGMA incremental_vacuum(1);
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}
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file size test.db
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} {31744}
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# Vacuum off five pages
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#
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do_test incrvacuum2-1.3 {
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execsql {
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PRAGMA incremental_vacuum(5);
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}
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file size test.db
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} {26624}
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# Vacuum off all the rest
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#
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do_test incrvacuum2-1.4 {
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execsql {
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PRAGMA incremental_vacuum(1000);
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}
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file size test.db
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} {3072}
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# Make sure incremental vacuum works on attached databases.
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#
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ifcapable attach {
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do_test incrvacuum2-2.1 {
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file delete -force test2.db test2.db-journal
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execsql {
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ATTACH DATABASE 'test2.db' AS aux;
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PRAGMA aux.auto_vacuum=incremental;
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CREATE TABLE aux.t2(x);
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INSERT INTO t2 VALUES(zeroblob(30000));
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INSERT INTO t1 SELECT * FROM t2;
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DELETE FROM t2;
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DELETE FROM t1;
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}
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list [file size test.db] [file size test2.db]
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} {32768 32768}
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do_test incrvacuum2-2.2 {
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execsql {
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PRAGMA aux.incremental_vacuum(1)
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}
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list [file size test.db] [file size test2.db]
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} {32768 31744}
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do_test incrvacuum2-2.3 {
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execsql {
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PRAGMA aux.incremental_vacuum(5)
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}
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list [file size test.db] [file size test2.db]
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} {32768 26624}
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do_test incrvacuum2-2.4 {
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execsql {
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PRAGMA main.incremental_vacuum(5)
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}
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list [file size test.db] [file size test2.db]
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} {27648 26624}
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do_test incrvacuum2-2.5 {
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execsql {
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PRAGMA aux.incremental_vacuum
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}
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list [file size test.db] [file size test2.db]
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} {27648 3072}
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do_test incrvacuum2-2.6 {
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execsql {
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PRAGMA incremental_vacuum(1)
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}
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list [file size test.db] [file size test2.db]
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} {26624 3072}
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}
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finish_test
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