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# 2007 May 6
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# $Id: tkt2339.test,v 1.2 2007/09/12 17:01:45 danielk1977 Exp $
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !subquery||!compound {
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finish_test
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return
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}
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do_test tkt2339.1 {
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execsql {
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create table t1(num int);
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insert into t1 values (1);
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insert into t1 values (2);
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insert into t1 values (3);
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insert into t1 values (4);
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create table t2(num int);
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insert into t2 values (11);
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insert into t2 values (12);
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insert into t2 values (13);
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insert into t2 values (14);
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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UNION
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
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}
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} {3 4 13 14}
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do_test tkt2339.2 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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UNION ALL
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
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}
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} {4 3 14 13}
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do_test tkt2339.3 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC)
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UNION ALL
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
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}
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} {4 3 2 1 14 13}
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do_test tkt2339.4 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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UNION ALL
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
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}
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} {4 3 14 13 12 11}
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do_test tkt2339.5 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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UNION
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
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}
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} {3 4 11 12 13 14}
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do_test tkt2339.6 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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EXCEPT
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC)
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}
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} {3 4}
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do_test tkt2339.7 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 LIMIT 2)
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UNION
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SELECT * FROM (SELECT * FROM t2 ORDER BY num DESC LIMIT 2)
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}
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} {1 2 13 14}
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do_test tkt2339.8 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 LIMIT 2)
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UNION
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SELECT * FROM (SELECT * FROM t2 LIMIT 2)
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}
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} {1 2 11 12}
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do_test tkt2339.9 {
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execsql {
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SELECT * FROM (SELECT * FROM t1 ORDER BY num DESC LIMIT 2)
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UNION
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SELECT * FROM (SELECT * FROM t2 LIMIT 2)
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}
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} {3 4 11 12}
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finish_test
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