/trunk/test/delete3.test |
@@ -0,0 +1,57 @@ |
# 2005 August 24 |
# |
# 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 script is a test of the DELETE command where a |
# large number of rows are deleted. |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
# Create a table that contains a large number of rows. |
# |
do_test delete3-1.1 { |
execsql { |
CREATE TABLE t1(x integer primary key); |
BEGIN; |
INSERT INTO t1 VALUES(1); |
INSERT INTO t1 VALUES(2); |
INSERT INTO t1 SELECT x+2 FROM t1; |
INSERT INTO t1 SELECT x+4 FROM t1; |
INSERT INTO t1 SELECT x+8 FROM t1; |
INSERT INTO t1 SELECT x+16 FROM t1; |
INSERT INTO t1 SELECT x+32 FROM t1; |
INSERT INTO t1 SELECT x+64 FROM t1; |
INSERT INTO t1 SELECT x+128 FROM t1; |
INSERT INTO t1 SELECT x+256 FROM t1; |
INSERT INTO t1 SELECT x+512 FROM t1; |
INSERT INTO t1 SELECT x+1024 FROM t1; |
INSERT INTO t1 SELECT x+2048 FROM t1; |
INSERT INTO t1 SELECT x+4096 FROM t1; |
INSERT INTO t1 SELECT x+8192 FROM t1; |
INSERT INTO t1 SELECT x+16384 FROM t1; |
INSERT INTO t1 SELECT x+32768 FROM t1; |
INSERT INTO t1 SELECT x+65536 FROM t1; |
INSERT INTO t1 SELECT x+131072 FROM t1; |
INSERT INTO t1 SELECT x+262144 FROM t1; |
COMMIT; |
SELECT count(*) FROM t1; |
} |
} {524288} |
do_test delete3-1.2 { |
execsql { |
DELETE FROM t1 WHERE x%2==0; |
SELECT count(*) FROM t1; |
} |
} {262144} |
integrity_check delete3-1.3 |
|
finish_test |