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+# 2007 May 6
+#
+# 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.
+#
+#***********************************************************************
+#
+# $Id: tkt2339.test,v 1.2 2007/09/12 17:01:45 danielk1977 Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !subquery||!compound {
+ finish_test
+ return
+}
+
+do_test tkt2339.1 {
+ execsql {
+ create table t1(num int);
+ insert into t1 values (1);
+ insert into t1 values (2);
+ insert into t1 values (3);
+ insert into t1 values (4);
+
+ create table t2(num int);
+ insert into t2 values (11);
+ insert into t2 values (12);
+ insert into t2 values (13);
+ insert into t2 values (14);
+
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ UNION
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
+ }
+} {3 4 13 14}
+do_test tkt2339.2 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ UNION ALL
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
+ }
+} {4 3 14 13}
+do_test tkt2339.3 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC)
+ UNION ALL
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
+ }
+} {4 3 2 1 14 13}
+do_test tkt2339.4 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ UNION ALL
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
+ }
+} {4 3 14 13 12 11}
+do_test tkt2339.5 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ UNION
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
+ }
+} {3 4 11 12 13 14}
+do_test tkt2339.6 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ EXCEPT
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
+ }
+} {3 4}
+do_test tkt2339.7 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 LIMIT 2)
+ UNION
+ SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
+ }
+} {1 2 13 14}
+do_test tkt2339.8 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 LIMIT 2)
+ UNION
+ SELECT * FROM (SELECT * FROM t2 LIMIT 2)
+ }
+} {1 2 11 12}
+do_test tkt2339.9 {
+ execsql {
+ SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
+ UNION
+ SELECT * FROM (SELECT * FROM t2 LIMIT 2)
+ }
+} {3 4 11 12}
+
+
+finish_test