1# 2001 September 15 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. 12# 13# The focus of this file is testing that LIMIT and OFFSET work for 14# unusual combinations SELECT statements. 15# 16# $Id: select8.test,v 1.1 2008/01/12 12:48:09 drh Exp $ 17 18set testdir [file dirname $argv0] 19source $testdir/tester.tcl 20 21execsql { 22 CREATE TABLE songs(songid, artist, timesplayed); 23 INSERT INTO songs VALUES(1,'one',1); 24 INSERT INTO songs VALUES(2,'one',2); 25 INSERT INTO songs VALUES(3,'two',3); 26 INSERT INTO songs VALUES(4,'three',5); 27 INSERT INTO songs VALUES(5,'one',7); 28 INSERT INTO songs VALUES(6,'two',11); 29} 30set result [execsql { 31 SELECT DISTINCT artist,sum(timesplayed) AS total 32 FROM songs 33 GROUP BY LOWER(artist) 34}] 35puts result=$result 36do_test select8-1.1 { 37 execsql { 38 SELECT DISTINCT artist,sum(timesplayed) AS total 39 FROM songs 40 GROUP BY LOWER(artist) 41 LIMIT 1 OFFSET 1 42 } 43} [lrange $result 2 3] 44do_test select8-1.2 { 45 execsql { 46 SELECT DISTINCT artist,sum(timesplayed) AS total 47 FROM songs 48 GROUP BY LOWER(artist) 49 LIMIT 2 OFFSET 1 50 } 51} [lrange $result 2 5] 52do_test select8-1.3 { 53 execsql { 54 SELECT DISTINCT artist,sum(timesplayed) AS total 55 FROM songs 56 GROUP BY LOWER(artist) 57 LIMIT -1 OFFSET 2 58 } 59} [lrange $result 4 end] 60 61 62finish_test 63