1# 2009 April 2 2# 3# The author disclaims copyright to this source code. In place of 4# 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# 12# Ticket #3773: Be careful not to over-optimize when a compound 13# subquery contains an ORDER BY clause. 14# 15# 16# $Id: tkt3773.test,v 1.1 2009/04/02 16:59:47 drh Exp $ 17 18set testdir [file dirname $argv0] 19source $testdir/tester.tcl 20 21ifcapable !compound { 22 finish_test 23 return 24} 25 26do_test tkt3773-1.1 { 27 db eval { 28 CREATE TABLE t1(a,b); 29 INSERT INTO t1 VALUES(2,1); 30 INSERT INTO t1 VALUES(33,3); 31 CREATE TABLE t2(x,y); 32 INSERT INTO t2 VALUES(123,2); 33 INSERT INTO t2 VALUES(4,4); 34 SELECT a FROM ( 35 SELECT a, b FROM t1 36 UNION ALL 37 SELECT x, y FROM t2 38 ORDER BY 2 39 ); 40 } 41} {2 123 33 4} 42 43finish_test 44