101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 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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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| 
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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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| 
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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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|     
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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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|     
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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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| 
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| 
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| finish_test
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