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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 | |
18 set testdir [file dirname $argv0] | |
19 source $testdir/tester.tcl | |
20 | |
21 ifcapable !compound { | |
22 finish_test | |
23 return | |
24 } | |
25 | |
26 do_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 | |
43 finish_test | |
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