mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-29 00:12:23 +01:00
3ca84ba0a0
than 40940 rows of data all at once. (CVS 2620) FossilOrigin-Name: 7c599bae33ba4eb10fc486ae3dab76330ce69936
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
# 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
|