diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sqlite3api/TEST/TclScript/tkt3334.test --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/persistentstorage/sqlite3api/TEST/TclScript/tkt3334.test Fri Jan 22 11:06:30 2010 +0200 @@ -0,0 +1,84 @@ +# 2008 August 26 +# +# 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. +# Specifically, it tests that bug #3334 has been fixed by the +# addition of restriction (19) to the subquery flattener optimization. +# +# $Id: tkt3334.test,v 1.1 2008/08/26 12:56:14 drh Exp $ + + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +do_test tkt3334-1.0 { + execsql { + CREATE TABLE t1(a,b); + INSERT INTO t1 VALUES(1,934); + INSERT INTO t1 VALUES(2,221); + INSERT INTO t1 VALUES(1,372); + INSERT INTO t1 VALUES(3,552); + INSERT INTO t1 VALUES(1,719); + INSERT INTO t1 VALUES(4,102); + SELECT * FROM t1 ORDER BY b; + } +} {4 102 2 221 1 372 3 552 1 719 1 934} + +do_test tkt3334-1.1 { + execsql { + SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1; + } +} {} +do_test tkt3334-1.2 { + execsql { + SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1; + } +} {0} +do_test tkt3334-1.3 { + execsql { + SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1; + } +} {1} +do_test tkt3334-1.4 { + execsql { + SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1; + } +} {1} +do_test tkt3334-1.5 { + execsql { + SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1; + } +} {1 1 1} +do_test tkt3334-1.6 { + execsql { + SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1; + } +} {3} +do_test tkt3334-1.7 { + execsql { + SELECT a FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1; + } +} {1 1 1} +do_test tkt3334-1.8 { + execsql { + SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1; + } +} {3} +do_test tkt3334-1.9 { + execsql { + SELECT a FROM (SELECT a FROM t1) WHERE a=1; + } +} {1 1 1} +do_test tkt3334-1.10 { + execsql { + SELECT count(*) FROM (SELECT a FROM t1) WHERE a=1; + } +} {3}