|
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 |