# 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 1.1 2007/05/06 20:04:25 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl 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