738 lines
18 KiB
Plaintext
738 lines
18 KiB
Plaintext
# 2007 April 26
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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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# Note: There are also some tests for incremental vacuum and IO
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# errors in incrvacuum_ioerr.test.
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#
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# $Id: incrvacuum.test,v 1.20 2008/09/10 10:57:28 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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#---------------------------------------------------------------------
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# Test the pragma on an empty database.
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#
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do_test incrvacuum-1.1 {
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execsql {
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pragma auto_vacuum;
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}
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} $sqlite_options(default_autovacuum)
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do_test incrvacuum-1.2.0 {
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# File size is sometimes 1 instead of 0 due to the hack we put in
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# to work around ticket #3260. Search for comments on #3260 in
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# os_unix.c.
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expr {[file size test.db] > 1}
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} {0}
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do_test incrvacuum-1.2 {
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# This command will create the database.
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execsql {
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pragma auto_vacuum = 'full';
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pragma auto_vacuum;
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}
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} {1}
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do_test incrvacuum-1.2.1 {
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expr {[file size test.db] > 0}
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} {1}
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do_test incrvacuum-1.3 {
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execsql {
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pragma auto_vacuum = 'incremental';
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pragma auto_vacuum;
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}
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} {2}
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do_test incrvacuum-1.4 {
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# In this case the invalid value is ignored and the auto_vacuum
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# setting remains unchanged.
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execsql {
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pragma auto_vacuum = 'invalid';
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pragma auto_vacuum;
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}
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} {2}
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do_test incrvacuum-1.5 {
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execsql {
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pragma auto_vacuum = 1;
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pragma auto_vacuum;
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}
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} {1}
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do_test incrvacuum-1.6 {
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execsql {
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pragma auto_vacuum = '2';
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pragma auto_vacuum;
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}
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} {2}
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do_test incrvacuum-1.7 {
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# Invalid value. auto_vacuum setting remains unchanged.
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execsql {
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pragma auto_vacuum = 5;
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pragma auto_vacuum;
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}
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} {2}
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#---------------------------------------------------------------------
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# Test the pragma on a non-empty database. It is possible to toggle
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# the connection between "full" and "incremental" mode, but not to
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# change from either of these to "none", or from "none" to "full" or
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# "incremental".
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#
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do_test incrvacuum-2.1 {
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execsql {
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pragma auto_vacuum = 1;
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CREATE TABLE abc(a, b, c);
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}
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} {}
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do_test incrvacuum-2.2 {
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execsql {
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pragma auto_vacuum = 'none';
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pragma auto_vacuum;
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}
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} {1}
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do_test incrvacuum-2.2.1 {
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db close
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sqlite3 db test.db
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execsql {
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pragma auto_vacuum;
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}
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} {1}
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do_test incrvacuum-2.3 {
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execsql {
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pragma auto_vacuum = 'incremental';
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pragma auto_vacuum;
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}
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} {2}
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do_test incrvacuum-2.4 {
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execsql {
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pragma auto_vacuum = 'full';
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pragma auto_vacuum;
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}
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} {1}
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#---------------------------------------------------------------------
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# Test that when the auto_vacuum mode is "incremental", the database
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# does not shrink when pages are removed from it. But it does if
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# the mode is set to "full".
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#
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do_test incrvacuum-3.1 {
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execsql {
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pragma auto_vacuum;
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}
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} {1}
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do_test incrvacuum-3.2 {
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set ::str [string repeat 1234567890 110]
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execsql {
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PRAGMA auto_vacuum = 2;
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BEGIN;
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CREATE TABLE tbl2(str);
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INSERT INTO tbl2 VALUES($::str);
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COMMIT;
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}
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# 5 pages:
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#
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# 1 -> database header
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# 2 -> first back-pointer page
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# 3 -> table abc
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# 4 -> table tbl2
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# 5 -> table tbl2 overflow page.
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#
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expr {[file size test.db] / 1024}
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} {5}
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do_test incrvacuum-3.3 {
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execsql {
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DROP TABLE abc;
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DELETE FROM tbl2;
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}
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expr {[file size test.db] / 1024}
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} {5}
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do_test incrvacuum-3.4 {
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execsql {
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PRAGMA auto_vacuum = 1;
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INSERT INTO tbl2 VALUES('hello world');
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}
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expr {[file size test.db] / 1024}
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} {3}
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#---------------------------------------------------------------------
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# Try to run a very simple incremental vacuum. Also verify that
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# PRAGMA incremental_vacuum is a harmless no-op against a database that
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# does not support auto-vacuum.
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#
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do_test incrvacuum-4.1 {
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set ::str [string repeat 1234567890 110]
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execsql {
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PRAGMA auto_vacuum = 2;
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INSERT INTO tbl2 VALUES($::str);
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CREATE TABLE tbl1(a, b, c);
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}
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expr {[file size test.db] / 1024}
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} {5}
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do_test incrvacuum-4.2 {
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execsql {
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DELETE FROM tbl2;
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DROP TABLE tbl1;
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}
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expr {[file size test.db] / 1024}
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} {5}
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do_test incrvacuum-4.3 {
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set ::nStep 0
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db eval {pragma incremental_vacuum(10)} {
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incr ::nStep
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}
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list [expr {[file size test.db] / 1024}] $::nStep
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} {3 2}
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#---------------------------------------------------------------------
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# The following tests - incrvacuum-5.* - test incremental vacuum
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# from within a transaction.
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#
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do_test incrvacuum-5.1.1 {
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expr {[file size test.db] / 1024}
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} {3}
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do_test incrvacuum-5.1.2 {
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execsql {
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BEGIN;
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DROP TABLE tbl2;
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PRAGMA incremental_vacuum;
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COMMIT;
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}
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expr {[file size test.db] / 1024}
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} {1}
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do_test incrvacuum-5.2.1 {
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set ::str [string repeat abcdefghij 110]
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execsql {
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BEGIN;
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CREATE TABLE tbl1(a);
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INSERT INTO tbl1 VALUES($::str);
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PRAGMA incremental_vacuum; -- this is a no-op.
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COMMIT;
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}
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expr {[file size test.db] / 1024}
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} {4}
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do_test incrvacuum-5.2.2 {
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set ::str [string repeat abcdefghij 110]
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execsql {
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BEGIN;
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INSERT INTO tbl1 VALUES($::str);
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INSERT INTO tbl1 SELECT * FROM tbl1;
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DELETE FROM tbl1 WHERE oid%2; -- Put 2 overflow pages on free-list.
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COMMIT;
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}
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expr {[file size test.db] / 1024}
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} {7}
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do_test incrvacuum-5.2.3 {
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execsql {
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BEGIN;
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PRAGMA incremental_vacuum; -- Vacuum up the two pages.
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CREATE TABLE tbl2(b); -- Use one free page as a table root.
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INSERT INTO tbl2 VALUES('a nice string');
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COMMIT;
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}
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expr {[file size test.db] / 1024}
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} {6}
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do_test incrvacuum-5.2.4 {
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execsql {
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SELECT * FROM tbl2;
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}
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} {{a nice string}}
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do_test incrvacuum-5.2.5 {
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execsql {
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DROP TABLE tbl1;
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DROP TABLE tbl2;
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PRAGMA incremental_vacuum;
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}
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expr {[file size test.db] / 1024}
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} {1}
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# Test cases incrvacuum-5.3.* use the following list as input data.
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# Two new databases are opened, one with incremental vacuum enabled,
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# the other with no auto-vacuum completely disabled. After executing
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# each element of the following list on both databases, test that
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# the integrity-check passes and the contents of each are identical.
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#
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set TestScriptList [list {
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BEGIN;
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CREATE TABLE t1(a, b);
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CREATE TABLE t2(a, b);
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CREATE INDEX t1_i ON t1(a);
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CREATE INDEX t2_i ON t2(a);
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} {
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INSERT INTO t1 VALUES($::str1, $::str2);
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INSERT INTO t1 VALUES($::str1||$::str2, $::str2||$::str1);
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INSERT INTO t2 SELECT b, a FROM t1;
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INSERT INTO t2 SELECT a, b FROM t1;
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INSERT INTO t1 SELECT b, a FROM t2;
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UPDATE t2 SET b = '';
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PRAGMA incremental_vacuum;
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} {
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UPDATE t2 SET b = (SELECT b FROM t1 WHERE t1.oid = t2.oid);
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PRAGMA incremental_vacuum;
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} {
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CREATE TABLE t3(a, b);
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INSERT INTO t3 SELECT * FROM t2;
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DROP TABLE t2;
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PRAGMA incremental_vacuum;
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} {
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CREATE INDEX t3_i ON t3(a);
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COMMIT;
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} {
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BEGIN;
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DROP INDEX t3_i;
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PRAGMA incremental_vacuum;
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INSERT INTO t3 VALUES('hello', 'world');
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ROLLBACK;
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} {
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INSERT INTO t3 VALUES('hello', 'world');
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}
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]
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# If this build omits subqueries, step 2 in the above list will not
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# work. Replace it with "" in this case.
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#
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ifcapable !subquery { lset TestScriptList 2 "" }
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# Compare the contents of databases $A and $B.
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#
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proc compare_dbs {A B tname} {
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set tbl_list [execsql {
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SELECT tbl_name FROM sqlite_master WHERE type = 'table'
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} $A]
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do_test ${tname}.1 [subst {
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execsql {
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SELECT tbl_name FROM sqlite_master WHERE type = 'table'
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} $B
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}] $tbl_list
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set tn 1
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foreach tbl $tbl_list {
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set control [execsql "SELECT * FROM $tbl" $A]
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do_test ${tname}.[incr tn] [subst {
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execsql "SELECT * FROM $tbl" $B
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}] $control
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}
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}
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set ::str1 [string repeat abcdefghij 130]
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set ::str2 [string repeat 1234567890 105]
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file delete -force test1.db test1.db-journal test2.db test2.db-journal
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sqlite3 db1 test1.db
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sqlite3 db2 test2.db
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execsql { PRAGMA auto_vacuum = 'none' } db1
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execsql { PRAGMA auto_vacuum = 'incremental' } db2
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set tn 1
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foreach sql $::TestScriptList {
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execsql $sql db1
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execsql $sql db2
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compare_dbs db1 db2 incrvacuum-5.3.${tn}
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do_test incrvacuum-5.3.${tn}.integrity1 {
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execsql { PRAGMA integrity_check; } db1
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} {ok}
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do_test incrvacuum-5.3.${tn}.integrity2 {
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execsql { PRAGMA integrity_check; } db2
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} {ok}
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incr tn
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}
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db1 close
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db2 close
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#
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# End of test cases 5.3.*
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#---------------------------------------------------------------------
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# The following tests - incrvacuum-6.* - test running incremental
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# vacuum while another statement (a read) is being executed.
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#
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for {set jj 0} {$jj < 10} {incr jj} {
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# Build some test data. Two tables are created in an empty
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# database. tbl1 data is a contiguous block starting at page 5 (pages
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# 3 and 4 are the table roots). tbl2 is a contiguous block starting
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# right after tbl1.
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#
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# Then drop tbl1 so that when an incr vacuum is run the pages
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# of tbl2 have to be moved to fill the gap.
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#
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do_test incrvacuum-6.${jj}.1 {
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execsql {
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DROP TABLE IF EXISTS tbl1;
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DROP TABLE IF EXISTS tbl2;
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PRAGMA incremental_vacuum;
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CREATE TABLE tbl1(a, b);
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CREATE TABLE tbl2(a, b);
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BEGIN;
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}
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for {set ii 0} {$ii < 1000} {incr ii} {
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db eval {INSERT INTO tbl1 VALUES($ii, $ii || $ii)}
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}
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execsql {
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INSERT INTO tbl2 SELECT * FROM tbl1;
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COMMIT;
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DROP TABLE tbl1;
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}
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expr {[file size test.db] / 1024}
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} {36}
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# Run a linear scan query on tbl2. After reading ($jj*100) rows,
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# run the incremental vacuum to shrink the database.
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#
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do_test incrvacuum-6.${jj}.2 {
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set ::nRow 0
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db eval {SELECT a FROM tbl2} {} {
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if {$a == [expr $jj*100]} {
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db eval {PRAGMA incremental_vacuum}
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}
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incr ::nRow
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}
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list [expr {[file size test.db] / 1024}] $nRow
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} {19 1000}
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}
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#---------------------------------------------------------------------
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# This test - incrvacuum-7.* - is to check that the database can be
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# written in the middle of an incremental vacuum.
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#
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set ::iWrite 1
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while 1 {
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do_test incrvacuum-7.${::iWrite}.1 {
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execsql {
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DROP TABLE IF EXISTS tbl1;
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DROP TABLE IF EXISTS tbl2;
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PRAGMA incremental_vacuum;
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CREATE TABLE tbl1(a, b);
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CREATE TABLE tbl2(a, b);
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BEGIN;
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}
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for {set ii 0} {$ii < 1000} {incr ii} {
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db eval {INSERT INTO tbl1 VALUES($ii, $ii || $ii)}
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}
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execsql {
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INSERT INTO tbl2 SELECT * FROM tbl1;
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COMMIT;
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DROP TABLE tbl1;
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}
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expr {[file size test.db] / 1024}
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} {36}
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do_test incrvacuum-7.${::iWrite}.2 {
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set ::nRow 0
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db eval {PRAGMA incremental_vacuum} {
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incr ::nRow
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if {$::nRow == $::iWrite} {
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db eval {
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CREATE TABLE tbl1(a, b);
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INSERT INTO tbl1 VALUES('hello', 'world');
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}
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}
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}
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list [expr {[file size test.db] / 1024}]
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} {20}
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do_test incrvacuum-7.${::iWrite}.3 {
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execsql {
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SELECT * FROM tbl1;
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}
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} {hello world}
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if {$::nRow == $::iWrite} break
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incr ::iWrite
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}
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#---------------------------------------------------------------------
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# This test - incrvacuum-8.* - is to check that nothing goes wrong
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# with an incremental-vacuum if it is the first statement executed
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# after an existing database is opened.
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#
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# At one point, this would always return SQLITE_SCHEMA (which
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# causes an infinite loop in tclsqlite.c if using the Tcl interface).
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#
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do_test incrvacuum-8.1 {
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db close
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sqlite3 db test.db
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execsql {
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PRAGMA incremental_vacuum(50);
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}
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} {}
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#---------------------------------------------------------------------
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# At one point this test case was causing an assert() to fail.
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#
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do_test incrvacuum-9.1 {
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db close
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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execsql {
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PRAGMA auto_vacuum = 'incremental';
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CREATE TABLE t1(a, b, c);
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CREATE TABLE t2(a, b, c);
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INSERT INTO t2 VALUES(randstr(500,500),randstr(500,500),randstr(500,500));
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INSERT INTO t1 VALUES(1, 2, 3);
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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INSERT INTO t1 SELECT a||a, b||b, c||c FROM t1;
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}
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} {}
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do_test incrvacuum-9.2 {
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execsql {
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PRAGMA synchronous = 'OFF';
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BEGIN;
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UPDATE t1 SET a = a, b = b, c = c;
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DROP TABLE t2;
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PRAGMA incremental_vacuum(10);
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ROLLBACK;
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}
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} {}
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do_test incrvacuum-9.3 {
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execsql {
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PRAGMA cache_size = 10;
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BEGIN;
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UPDATE t1 SET a = a, b = b, c = c;
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DROP TABLE t2;
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PRAGMA incremental_vacuum(10);
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ROLLBACK;
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}
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} {}
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#---------------------------------------------------------------------
|
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# Test that the parameter to the incremental_vacuum pragma works. That
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# is, if the user executes "PRAGMA incremental_vacuum(N)", at most
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# N pages are vacuumed.
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#
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do_test incrvacuum-10.1 {
|
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execsql {
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DROP TABLE t1;
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DROP TABLE t2;
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}
|
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expr [file size test.db] / 1024
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} {29}
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do_test incrvacuum-10.2 {
|
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execsql {
|
|
PRAGMA incremental_vacuum(1);
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {28}
|
|
|
|
do_test incrvacuum-10.3 {
|
|
execsql {
|
|
PRAGMA incremental_vacuum(5);
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {23}
|
|
|
|
do_test incrvacuum-10.4 {
|
|
execsql {
|
|
PRAGMA incremental_vacuum('1');
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {22}
|
|
|
|
do_test incrvacuum-10.5 {
|
|
execsql {
|
|
PRAGMA incremental_vacuum("+3");
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {19}
|
|
|
|
do_test incrvacuum-10.6 {
|
|
execsql {
|
|
PRAGMA incremental_vacuum = 1;
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {18}
|
|
|
|
do_test incrvacuum-10.7 {
|
|
# Use a really big number as an argument to incremetal_vacuum. Should
|
|
# be interpreted as "free all possible space".
|
|
execsql {
|
|
PRAGMA incremental_vacuum(2147483649);
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {1}
|
|
|
|
do_test incrvacuum-10.8 {
|
|
execsql {
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1 VALUES(hex(randomblob(1000)));
|
|
DROP TABLE t1;
|
|
}
|
|
# A negative number means free all possible space.
|
|
execsql {
|
|
PRAGMA incremental_vacuum=-1;
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} {1}
|
|
|
|
#----------------------------------------------------------------
|
|
# Test that if we set the auto_vacuum mode to 'incremental', then
|
|
# create a database, thereafter that database defaults to incremental
|
|
# vacuum mode.
|
|
#
|
|
db close
|
|
file delete -force test.db test.db-journal
|
|
sqlite3 db test.db
|
|
|
|
ifcapable default_autovacuum {
|
|
do_test incrvacuum-11.1-av-dflt-on {
|
|
execsql {
|
|
PRAGMA auto_vacuum;
|
|
}
|
|
} $AUTOVACUUM
|
|
} else {
|
|
do_test incrvacuum-11.1-av-dflt-off {
|
|
execsql {
|
|
PRAGMA auto_vacuum;
|
|
}
|
|
} {0}
|
|
}
|
|
do_test incrvacuum-11.2 {
|
|
execsql {
|
|
PRAGMA auto_vacuum = incremental;
|
|
}
|
|
} {}
|
|
do_test incrvacuum-11.3 {
|
|
execsql {
|
|
PRAGMA auto_vacuum;
|
|
}
|
|
} {2}
|
|
do_test incrvacuum-11.4 {
|
|
# The database has now been created.
|
|
expr {[file size test.db]>0}
|
|
} {1}
|
|
do_test incrvacuum-11.5 {
|
|
# Close and reopen the connection.
|
|
db close
|
|
sqlite3 db test.db
|
|
|
|
# Test we are still in incremental vacuum mode.
|
|
execsql { PRAGMA auto_vacuum; }
|
|
} {2}
|
|
do_test incrvacuum-11.6 {
|
|
execsql {
|
|
PRAGMA auto_vacuum = 'full';
|
|
PRAGMA auto_vacuum;
|
|
}
|
|
} {1}
|
|
do_test incrvacuum-11.7 {
|
|
# Close and reopen the connection.
|
|
db close
|
|
sqlite3 db test.db
|
|
|
|
# Test we are still in "full" auto-vacuum mode.
|
|
execsql { PRAGMA auto_vacuum; }
|
|
} {1}
|
|
|
|
#----------------------------------------------------------------------
|
|
# Special case: What happens if the database is locked when a "PRAGMA
|
|
# auto_vacuum = XXX" statement is executed.
|
|
#
|
|
db close
|
|
file delete -force test.db test.db-journal
|
|
sqlite3 db test.db
|
|
|
|
do_test incrvacuum-12.1 {
|
|
execsql {
|
|
PRAGMA auto_vacuum = 1;
|
|
}
|
|
expr {[file size test.db]>0}
|
|
} {1}
|
|
|
|
# Try to change the auto-vacuum from "full" to "incremental" while the
|
|
# database is locked. Nothing should change.
|
|
#
|
|
do_test incrvacuum-12.2 {
|
|
sqlite3 db2 test.db
|
|
execsql { BEGIN EXCLUSIVE; } db2
|
|
catchsql { PRAGMA auto_vacuum = 2; }
|
|
} {1 {database is locked}}
|
|
|
|
do_test incrvacuum-12.3 {
|
|
execsql { ROLLBACK; } db2
|
|
execsql { PRAGMA auto_vacuum }
|
|
} {1}
|
|
|
|
do_test incrvacuum-12.3 {
|
|
execsql { SELECT * FROM sqlite_master }
|
|
execsql { PRAGMA auto_vacuum }
|
|
} {1}
|
|
|
|
#----------------------------------------------------------------------
|
|
# Special case #2: What if one process prepares a "PRAGMA auto_vacuum = XXX"
|
|
# statement when the database is empty, but doesn't execute it until
|
|
# after some other process has created the database.
|
|
#
|
|
db2 close
|
|
db close
|
|
file delete -force test.db test.db-journal
|
|
sqlite3 db test.db ; set ::DB [sqlite3_connection_pointer db]
|
|
sqlite3 db2 test.db
|
|
|
|
do_test incrvacuum-13.1 {
|
|
# File size is sometimes 1 instead of 0 due to the hack we put in
|
|
# to work around ticket #3260. Search for comments on #3260 in
|
|
# os_unix.c.
|
|
expr {[file size test.db]>1}
|
|
} {0}
|
|
do_test incrvacuum-13.2 {
|
|
set ::STMT [sqlite3_prepare $::DB {PRAGMA auto_vacuum = 2} -1 DUMMY]
|
|
execsql {
|
|
PRAGMA auto_vacuum = none;
|
|
PRAGMA default_cache_size = 1024;
|
|
PRAGMA auto_vacuum;
|
|
} db2
|
|
} {0}
|
|
do_test incrvacuum-13.3 {
|
|
expr {[file size test.db]>0}
|
|
} {1}
|
|
do_test incrvacuum-13.4 {
|
|
set rc [sqlite3_step $::STMT]
|
|
list $rc [sqlite3_finalize $::STMT]
|
|
} {SQLITE_DONE SQLITE_OK}
|
|
do_test incrvacuum-13.5 {
|
|
execsql {
|
|
PRAGMA auto_vacuum;
|
|
}
|
|
} {0}
|
|
|
|
|
|
# Verify that the incremental_vacuum pragma fails gracefully if it
|
|
# is used against an invalid database file.
|
|
#
|
|
do_test incrvacuum-14.1 {
|
|
set out [open invalid.db w]
|
|
puts $out "This is not an SQLite database file"
|
|
close $out
|
|
sqlite3 db3 invalid.db
|
|
catchsql {
|
|
PRAGMA incremental_vacuum(10);
|
|
} db3
|
|
} {1 {file is encrypted or is not a database}}
|
|
|
|
db2 close
|
|
db3 close
|
|
finish_test
|