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sqlite3

    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 1.1.1.1 2012/02/21 17:04:16 misho 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