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# 2016-08-19
#
# 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 a test for VACUUM on attached databases.
#
# TESTRUNNER: slow
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix vacuum6
# If the VACUUM statement is disabled in the current build, skip all
# the tests in this file.
#
ifcapable !vacuum {
finish_test
return
}
do_execsql_test 1.0 {
CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
INSERT INTO t1 VALUES(1, 1);
} {}
do_execsql_test 1.1 {
VACUUM
}
reset_db
do_execsql_test 1.2 {
CREATE TABLE t1(x,b);
CREATE INDEX x1 ON t1(x);
CREATE INDEX x2 ON t1(x);
CREATE INDEX x3 ON t1(x);
INSERT INTO t1 SELECT 2,'';
VACUUM;
}
#-------------------------------------------------------------------------
#
reset_db
foreach {tn sz} {1 400 2 4000 3 9999} {
reset_db
do_execsql_test 2.$tn.1 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
)
INSERT INTO t1 SELECT i, randomblob($sz) FROM s;
}
do_execsql_test 2.$tn.2 {
vacuum;
}
do_execsql_test 2.$tn.3 {
PRAGMA integrity_check;
} {ok}
}
reset_db
do_execsql_test 3.0 {
PRAGMA page_size = 1024;
CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
INSERT INTO t1 VALUES(2, randomblob(1200));
} {}
do_execsql_test 3.1 {
PRAGMA page_size = 512;
VACUUM;
}
do_execsql_test 3.2 {
PRAGMA integrity_check
} {ok}
#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 4.0 {
CREATE TABLE tx(a, b);
CREATE INDEX i1 ON tx(b);
WITH s(i) AS (
SELECT 8000 UNION ALL SELECT i+1 FROM s WHERE i<10000
)
INSERT INTO tx SELECT i, randomblob(i) FROM s;
SELECT sum(length(b)) FROM tx;
} {18009000}
foreach {tn pgsz av} {
1 2048 0
2 1024 1
3 65536 0
4 8192 1
5 512 0
6 4096 1
} {
do_execsql_test 4.1.$tn.1 "
PRAGMA page_size = $pgsz;
PRAGMA auto_vacuum = $av;
"
do_execsql_test 4.1.$tn.2 VACUUM
integrity_check 4.1.$tn.3
}
finish_test
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