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# 2001 September 15
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# The focus of this file is testing that LIMIT and OFFSET work for
# unusual combinations SELECT statements.
#
# $Id: select8.test,v 1.1 2008/01/12 12:48:09 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
execsql {
CREATE TABLE songs(songid, artist, timesplayed);
INSERT INTO songs VALUES(1,'one',1);
INSERT INTO songs VALUES(2,'one',2);
INSERT INTO songs VALUES(3,'two',3);
INSERT INTO songs VALUES(4,'three',5);
INSERT INTO songs VALUES(5,'one',7);
INSERT INTO songs VALUES(6,'two',11);
}
set result [execsql {
SELECT DISTINCT artist,sum(timesplayed) AS total
FROM songs
GROUP BY LOWER(artist)
}]
do_test select8-1.1 {
execsql {
SELECT DISTINCT artist,sum(timesplayed) AS total
FROM songs
GROUP BY LOWER(artist)
LIMIT 1 OFFSET 1
}
} [lrange $result 2 3]
do_test select8-1.2 {
execsql {
SELECT DISTINCT artist,sum(timesplayed) AS total
FROM songs
GROUP BY LOWER(artist)
LIMIT 2 OFFSET 1
}
} [lrange $result 2 5]
do_test select8-1.3 {
execsql {
SELECT DISTINCT artist,sum(timesplayed) AS total
FROM songs
GROUP BY LOWER(artist)
LIMIT -1 OFFSET 2
}
} [lrange $result 4 end]
finish_test
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