sqlite/test/vacuum.test

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# 2001 September 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: vacuum.test,v 1.43 2009/01/31 14:54:07 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# If the VACUUM statement is disabled in the current build, skip all
# the tests in this file.
#
ifcapable {!vacuum} {
omit_test vacuum.test {Compiled with SQLITE_OMIT_VACUUM}
finish_test
return
}
if $AUTOVACUUM {
omit_test vacuum.test {Auto-vacuum is enabled}
finish_test
return
}
set fcnt 1
do_test vacuum-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
INSERT INTO t1 VALUES(NULL,randstr(10,100),randstr(5,50));
INSERT INTO t1 VALUES(123456,randstr(10,100),randstr(5,50));
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT NULL, b||'-'||rowid, c||'-'||rowid FROM t1;
CREATE INDEX i1 ON t1(b,c);
CREATE UNIQUE INDEX i2 ON t1(c,a);
CREATE TABLE t2 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t2;
}
set ::size1 [file size test.db]
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
# Create bogus application-defined functions for functions used
# internally by VACUUM, to ensure that VACUUM falls back
# to the built-in functions.
#
proc failing_app_func {args} {error "bad function"}
do_test vacuum-1.1b {
db func substr failing_app_func
db func like failing_app_func
db func quote failing_app_func
catchsql {SELECT substr(name,1,3) FROM sqlite_master}
} {1 {bad function}}
do_test vacuum-1.2 {
execsql {
VACUUM;
}
cksum
} $cksum
ifcapable vacuum {
do_test vacuum-1.3 {
expr {[file size test.db]<$::size1}
} {1}
}
do_test vacuum-1.4 {
set sql_script {
BEGIN;
CREATE TABLE t2 AS SELECT * FROM t1;
CREATE TABLE t3 AS SELECT * FROM t1;
CREATE VIEW v1 AS SELECT b, c FROM t3;
CREATE TRIGGER r1 AFTER DELETE ON t2 BEGIN SELECT 1; END;
COMMIT;
DROP TABLE t2;
}
# If the library was compiled to omit view support, comment out the
# create view in the script $sql_script before executing it. Similarly,
# if triggers are not supported, comment out the trigger definition.
ifcapable !view {
regsub {CREATE VIEW} $sql_script {-- CREATE VIEW} sql_script
}
ifcapable !trigger {
regsub {CREATE TRIGGER} $sql_script {-- CREATE TRIGGER} sql_script
}
execsql $sql_script
set ::size1 [file size test.db]
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
do_test vacuum-1.5 {
execsql {
VACUUM;
}
cksum
} $cksum
ifcapable vacuum {
do_test vacuum-1.6 {
expr {[file size test.db]<$::size1}
} {1}
}
ifcapable vacuum {
do_test vacuum-2.1.1 {
catchsql {
BEGIN;
VACUUM;
}
} {1 {cannot VACUUM from within a transaction}}
do_test vacuum-2.1.2 {
sqlite3_get_autocommit db
} {0}
do_test vacuum-2.1.3 {
db eval {COMMIT}
} {}
}
do_test vacuum-2.2 {
sqlite3 db2 test.db
execsql {
BEGIN;
CREATE TABLE t4 AS SELECT * FROM t1;
CREATE TABLE t5 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t4;
DROP TABLE t5;
} db2
set ::cksum [cksum db2]
catchsql {
VACUUM
}
} {0 {}}
do_test vacuum-2.3 {
cksum
} $cksum
do_test vacuum-2.4 {
catch {db2 eval {SELECT count(*) FROM sqlite_master}}
cksum db2
} $cksum
# Make sure the schema cookie is incremented by vacuum.
#
do_test vacuum-2.5 {
execsql {
BEGIN;
CREATE TABLE t6 AS SELECT * FROM t1;
CREATE TABLE t7 AS SELECT * FROM t1;
COMMIT;
}
sqlite3 db3 test.db
execsql {
-- The "SELECT * FROM sqlite_master" statement ensures that this test
-- works when shared-cache is enabled. If shared-cache is enabled, then
-- db3 shares a cache with db2 (but not db - it was opened as
-- "./test.db").
SELECT * FROM sqlite_master;
SELECT * FROM t7 LIMIT 1
} db3
execsql {
VACUUM;
}
execsql {
INSERT INTO t7 VALUES(1234567890,'hello','world');
} db3
execsql {
SELECT * FROM t7 WHERE a=1234567890
}
} {1234567890 hello world}
integrity_check vacuum-2.6
do_test vacuum-2.7 {
execsql {
SELECT * FROM t7 WHERE a=1234567890
} db3
} {1234567890 hello world}
do_test vacuum-2.8 {
execsql {
INSERT INTO t7 SELECT * FROM t6;
SELECT count(*) FROM t7;
}
} 513
integrity_check vacuum-2.9
do_test vacuum-2.10 {
execsql {
DELETE FROM t7;
SELECT count(*) FROM t7;
} db3
} 0
integrity_check vacuum-2.11
db3 close
# Ticket #427. Make sure VACUUM works when the EMPTY_RESULT_CALLBACKS
# pragma is turned on.
#
do_test vacuum-3.1 {
db close
db2 close
delete_file test.db
sqlite3 db test.db
execsql {
PRAGMA empty_result_callbacks=on;
VACUUM;
}
} {}
# Ticket #464. Make sure VACUUM works with the sqlite3_prepare() API.
#
do_test vacuum-4.1 {
db close
sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
set VM [sqlite3_prepare $DB {VACUUM} -1 TAIL]
sqlite3_step $VM
} {SQLITE_DONE}
do_test vacuum-4.2 {
sqlite3_finalize $VM
} SQLITE_OK
# Ticket #515. VACUUM after deleting and recreating the table that
# a view refers to. Omit this test if the library is not view-enabled.
#
ifcapable view {
do_test vacuum-5.1 {
db close
forcedelete test.db
sqlite3 db test.db
catchsql {
CREATE TABLE Test (TestID int primary key);
INSERT INTO Test VALUES (NULL);
CREATE VIEW viewTest AS SELECT * FROM Test;
BEGIN;
CREATE TABLE tempTest (TestID int primary key, Test2 int NULL);
INSERT INTO tempTest SELECT TestID, 1 FROM Test;
DROP TABLE Test;
CREATE TABLE Test(TestID int primary key, Test2 int NULL);
INSERT INTO Test SELECT * FROM tempTest;
DROP TABLE tempTest;
COMMIT;
VACUUM;
}
} {0 {}}
do_test vacuum-5.2 {
catchsql {
VACUUM;
}
} {0 {}}
} ;# ifcapable view
# Ensure vacuum works with complicated tables names.
do_test vacuum-6.1 {
execsql {
CREATE TABLE "abc abc"(a, b, c);
INSERT INTO "abc abc" VALUES(1, 2, 3);
VACUUM;
}
} {}
do_test vacuum-6.2 {
execsql {
select * from "abc abc";
}
} {1 2 3}
# Also ensure that blobs survive a vacuum.
ifcapable {bloblit} {
do_test vacuum-6.3 {
execsql {
DELETE FROM "abc abc";
INSERT INTO "abc abc" VALUES(X'00112233', NULL, NULL);
VACUUM;
}
} {}
do_test vacuum-6.4 {
execsql {
select count(*) from "abc abc" WHERE a = X'00112233';
}
} {1}
}
# Check what happens when an in-memory database is vacuumed. The
# [delete_file] command covers us in case the library was compiled
# without in-memory database support.
#
forcedelete :memory:
do_test vacuum-7.0 {
sqlite3 db2 :memory:
execsql {
CREATE TABLE t1(t);
VACUUM;
} db2
} {}
do_test vacuum-7.1 {
execsql {
CREATE TABLE t2(t);
CREATE TABLE t3(t);
DROP TABLE t2;
PRAGMA freelist_count;
}
} {1}
do_test vacuum-7.2 {
execsql {
VACUUM;
pragma integrity_check;
} db2
} {ok}
do_test vacuum-7.3 {
execsql { PRAGMA freelist_count; } db2
} {0}
ifcapable autovacuum {
do_test vacuum-7.4 {
execsql { PRAGMA auto_vacuum } db2
} {0}
do_test vacuum-7.5 {
execsql { PRAGMA auto_vacuum = 1} db2
execsql { PRAGMA auto_vacuum } db2
} {0}
do_test vacuum-7.6 {
execsql { PRAGMA auto_vacuum = 1} db2
execsql { VACUUM } db2
execsql { PRAGMA auto_vacuum } db2
} {1}
}
db2 close
# Ticket #873. VACUUM a database that has ' in its name.
#
do_test vacuum-8.1 {
forcedelete a'z.db
forcedelete a'z.db-journal
sqlite3 db2 a'z.db
execsql {
CREATE TABLE t1(t);
VACUUM;
} db2
} {}
db2 close
# Ticket #1095: Vacuum a table that uses AUTOINCREMENT
#
ifcapable {autoinc} {
do_test vacuum-9.1 {
execsql {
DROP TABLE 'abc abc';
CREATE TABLE autoinc(a INTEGER PRIMARY KEY AUTOINCREMENT, b);
INSERT INTO autoinc(b) VALUES('hi');
INSERT INTO autoinc(b) VALUES('there');
DELETE FROM autoinc;
}
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
do_test vacuum-9.2 {
execsql {
VACUUM;
}
cksum
} $::cksum
do_test vacuum-9.3 {
execsql {
INSERT INTO autoinc(b) VALUES('one');
INSERT INTO autoinc(b) VALUES('two');
}
set ::cksum [cksum]
expr {$::cksum!=""}
} {1}
do_test vacuum-9.4 {
execsql {
VACUUM;
}
cksum
} $::cksum
}
forcedelete {a'z.db}
# Test that "PRAGMA count_changes" does not interfere with VACUUM or cause
# it to return any rows to the user.
#
do_test vacuum-10.1 {
db close
forcedelete test.db
sqlite3 db test.db
execsql {
CREATE TABLE t8(a, b);
INSERT INTO t8 VALUES('a', 'b');
INSERT INTO t8 VALUES('c', 'd');
PRAGMA count_changes = 1;
}
} {}
do_test vacuum-10.2 { execsql VACUUM } {}
finish_test