sl@0: # 2001 September 15
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library. 
sl@0: #
sl@0: # The focus of this file is testing that LIMIT and OFFSET work for
sl@0: # unusual combinations SELECT statements.
sl@0: #
sl@0: # $Id: select8.test,v 1.1 2008/01/12 12:48:09 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: execsql {
sl@0:   CREATE TABLE songs(songid, artist, timesplayed);
sl@0:   INSERT INTO songs VALUES(1,'one',1);
sl@0:   INSERT INTO songs VALUES(2,'one',2);
sl@0:   INSERT INTO songs VALUES(3,'two',3);
sl@0:   INSERT INTO songs VALUES(4,'three',5);
sl@0:   INSERT INTO songs VALUES(5,'one',7);
sl@0:   INSERT INTO songs VALUES(6,'two',11);
sl@0: }
sl@0: set result [execsql {
sl@0:   SELECT DISTINCT artist,sum(timesplayed) AS total      
sl@0:   FROM songs      
sl@0:   GROUP BY LOWER(artist)      
sl@0: }]
sl@0: puts result=$result
sl@0: do_test select8-1.1 {
sl@0:   execsql {
sl@0:     SELECT DISTINCT artist,sum(timesplayed) AS total      
sl@0:     FROM songs      
sl@0:     GROUP BY LOWER(artist)      
sl@0:     LIMIT 1 OFFSET 1
sl@0:   }
sl@0: } [lrange $result 2 3]
sl@0: do_test select8-1.2 {
sl@0:   execsql {
sl@0:     SELECT DISTINCT artist,sum(timesplayed) AS total      
sl@0:     FROM songs      
sl@0:     GROUP BY LOWER(artist)      
sl@0:     LIMIT 2 OFFSET 1
sl@0:   }
sl@0: } [lrange $result 2 5]
sl@0: do_test select8-1.3 {
sl@0:   execsql {
sl@0:     SELECT DISTINCT artist,sum(timesplayed) AS total      
sl@0:     FROM songs      
sl@0:     GROUP BY LOWER(artist)      
sl@0:     LIMIT -1 OFFSET 2
sl@0:   }
sl@0: } [lrange $result 4 end]
sl@0: 
sl@0: 
sl@0: finish_test