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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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