| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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# 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 1.5 2008/05/07 07:13:16 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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|
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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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|
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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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do_test incrvacuum2-3.1 {
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execsql {
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PRAGMA auto_vacuum = 'full'; |
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BEGIN; |
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CREATE TABLE abc(a); |
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INSERT INTO abc VALUES(randstr(1500,1500)); |
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COMMIT; |
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} |
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} {}
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do_test incrvacuum2-3.2 {
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execsql {
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BEGIN; |
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DELETE FROM abc; |
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PRAGMA incremental_vacuum; |
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COMMIT; |
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} |
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} {}
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integrity_check incremental2-3.3 |
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finish_test |