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| 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 | |
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