# 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 1.10 2009/02/18 20:31:18 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl set testprefix vacuum2 # Do not use a codec for tests in this file, as the database file is # manipulated directly using tcl scripts (using the [hexio_write] command). # do_not_use_codec # 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 } $cksum # Convert the database to an autovacuumed database. ifcapable autovacuum { do_test vacuum2-3.3 { execsql { PRAGMA auto_vacuum=FULL; VACUUM; } expr {[file size test.db]/$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 } $cksum do_test vacuum2-3.16 { execsql {PRAGMA integrity_check} db2 } {ok} do_test vacuum2-3.17 { execsql {PRAGMA integrity_check} db } {ok} db2 close ifcapable autovacuum { do_test vacuum2-4.1 { db close forcedelete test.db sqlite3 db test.db execsql { pragma auto_vacuum=1; create table t(a, b); insert into t values(1, 2); insert into t values(1, 2); pragma auto_vacuum=0; vacuum; pragma auto_vacuum; } } {0} do_test vacuum2-4.2 { execsql { pragma auto_vacuum=1; vacuum; pragma auto_vacuum; } } {1} do_test vacuum2-4.3 { execsql { pragma integrity_check } } {ok} do_test vacuum2-4.4 { db close sqlite3 db test.db execsql { pragma auto_vacuum; } } {1} do_test vacuum2-4.5 { # Ticket #3663 execsql { pragma auto_vacuum=2; vacuum; pragma auto_vacuum; } } {2} do_test vacuum2-4.6 { execsql { pragma integrity_check } } {ok} do_test vacuum2-4.7 { db close sqlite3 db test.db execsql { pragma auto_vacuum; } } {2} } #------------------------------------------------------------------------- # The following block of tests verify the behaviour of the library when # a database is VACUUMed when there are one or more unfinalized SQL # statements reading the same database using the same db handle. # db close forcedelete test.db sqlite3 db test.db do_execsql_test vacuum2-5.1 { CREATE TABLE t1(a PRIMARY KEY, b UNIQUE); INSERT INTO t1 VALUES(1, randomblob(500)); INSERT INTO t1 SELECT a+1, randomblob(500) FROM t1; -- 2 INSERT INTO t1 SELECT a+2, randomblob(500) FROM t1; -- 4 INSERT INTO t1 SELECT a+4, randomblob(500) FROM t1; -- 8 INSERT INTO t1 SELECT a+8, randomblob(500) FROM t1; -- 16 } {} do_test vacuum2-5.2 { list [catch { db eval {SELECT a, b FROM t1} { if {$a == 8} { execsql VACUUM } } } msg] $msg } {1 {cannot VACUUM - SQL statements in progress}} do_test vacuum2-5.3 { list [catch { db eval {SELECT 1, 2, 3} { execsql VACUUM } } msg] $msg } {1 {cannot VACUUM - SQL statements in progress}} do_test vacuum2-5.4 { set res "" set res2 "" db eval {SELECT a, b FROM t1 WHERE a<=10} { if {$a==6} { set res [catchsql VACUUM] } lappend res2 $a } lappend res2 $res } {1 2 3 4 5 6 7 8 9 10 {1 {cannot VACUUM - SQL statements in progress}}} #------------------------------------------------------------------------- # Check that if the definition of a collation sequence is changed and # VACUUM run, records are store in the (new) correct order following the # VACUUM. Even if the modified collation is attached to a PK of a WITHOUT # ROWID table. proc cmp {lhs rhs} { string compare $lhs $rhs } db collate cmp cmp do_execsql_test 6.0 { CREATE TABLE t6(x PRIMARY KEY COLLATE cmp, y) WITHOUT ROWID; CREATE INDEX t6y ON t6(y); INSERT INTO t6 VALUES('i', 'one'); INSERT INTO t6 VALUES('ii', 'one'); INSERT INTO t6 VALUES('iii', 'one'); } integrity_check 6.1 proc cmp {lhs rhs} { string compare $rhs $lhs } do_execsql_test 6.2 VACUUM integrity_check 6.3 finish_test