AryaWu/sqlite

1# 2005 August 242#3# The author disclaims copyright to this source code.  In place of4# a legal notice, here is a blessing:5#6#    May you do good and not evil.7#    May you find forgiveness for yourself and forgive others.8#    May you share freely, never taking more than you give.9#10#***********************************************************************11# This file implements regression tests for SQLite library.  The12# focus of this script is a test of the DELETE command where a13# large number of rows are deleted.14#15 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18 19# Create a table that contains a large number of rows.20#21do_test delete3-1.1 {22  execsql {23    CREATE TABLE t1(x integer primary key);24    BEGIN;25    INSERT INTO t1 VALUES(1);26    INSERT INTO t1 VALUES(2);27    INSERT INTO t1 SELECT x+2 FROM t1;28    INSERT INTO t1 SELECT x+4 FROM t1;29    INSERT INTO t1 SELECT x+8 FROM t1;30    INSERT INTO t1 SELECT x+16 FROM t1;31    INSERT INTO t1 SELECT x+32 FROM t1;32    INSERT INTO t1 SELECT x+64 FROM t1;33    INSERT INTO t1 SELECT x+128 FROM t1;34    INSERT INTO t1 SELECT x+256 FROM t1;35    INSERT INTO t1 SELECT x+512 FROM t1;36    INSERT INTO t1 SELECT x+1024 FROM t1;37    INSERT INTO t1 SELECT x+2048 FROM t1;38    INSERT INTO t1 SELECT x+4096 FROM t1;39    INSERT INTO t1 SELECT x+8192 FROM t1;40    INSERT INTO t1 SELECT x+16384 FROM t1;41    INSERT INTO t1 SELECT x+32768 FROM t1;42    INSERT INTO t1 SELECT x+65536 FROM t1;43    INSERT INTO t1 SELECT x+131072 FROM t1;44    INSERT INTO t1 SELECT x+262144 FROM t1;45    COMMIT;46    SELECT count(*) FROM t1;	47  }48} {524288}49do_test delete3-1.2 {50  execsql {51    DELETE FROM t1 WHERE x%2==0;52    SELECT count(*) FROM t1;53  }54} {262144}55integrity_check delete3-1.356 57finish_test58