/trunk/test/tkt2339.test |
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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 $ |
# |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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ifcapable !subquery||!compound { |
finish_test |
return |
} |
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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} |
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finish_test |