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 18 set testdir [file dirname $argv0] 19 source $testdir/tester.tcl 20 21 execsql { 22 CREATE TABLE songs(songid, artist, timesplayed); 23 INSERT INTO songs VALUES(1,'one',1); 24 INSERT INTO songs VALUES(2,'one',2); 25 INSERT INTO songs VALUES(3,'two',3); 26 INSERT INTO songs VALUES(4,'three',5); 27 INSERT INTO songs VALUES(5,'one',7); 28 INSERT INTO songs VALUES(6,'two',11); 29 } 30 set result [execsql { 31 SELECT DISTINCT artist,sum(timesplayed) AS total 32 FROM songs 33 GROUP BY LOWER(artist) 34 }] 35 puts result=$result 36 do_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] 44 do_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] 52 do_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 62 finish_test 63
