1# Copyright (c) 1999, 2000 D. Richard Hipp 2# 3# This program is free software; you can redistribute it and/or 4# modify it under the terms of the GNU General Public 5# License as published by the Free Software Foundation; either 6# version 2 of the License, or (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11# General Public License for more details. 12# 13# You should have received a copy of the GNU General Public 14# License along with this library; if not, write to the 15# Free Software Foundation, Inc., 59 Temple Place - Suite 330, 16# Boston, MA 02111-1307, USA. 17# 18# Author contact information: 19# [email protected] 20# http://www.hwaci.com/drh/ 21# 22#*********************************************************************** 23# This file implements regression tests for SQLite library. The 24# focus of this file is testing aggregate functions and the 25# GROUP BY and HAVING clauses of SELECT statements. 26# 27# $Id: select5.test,v 1.1 2000/06/08 11:13:02 drh Exp $ 28 29set testdir [file dirname $argv0] 30source $testdir/tester.tcl 31 32# Build some test data 33# 34set fd [open data1.txt w] 35for {set i 1} {$i<32} {incr i} { 36 for {set j 0} {pow(2,$j)<$i} {incr j} {} 37 puts $fd "[expr {32-$i}]\t[expr {10-$j}]" 38} 39close $fd 40execsql { 41 CREATE TABLE t1(x int, y int); 42 COPY t1 FROM 'data1.txt' 43} 44file delete data1.txt 45 46do_test select5-1.0 { 47 execsql {SELECT DISTINCT y FROM t1 ORDER BY y} 48} {5 6 7 8 9 10} 49 50# Sort by an aggregate function. 51# 52do_test select5-1.1 { 53 execsql {SELECT y, count(*) FROM t1 GROUP BY y ORDER BY y} 54} {5 15 6 8 7 4 8 2 9 1 10 1} 55do_test select5-1.2 { 56 execsql {SELECT y, count(*) FROM t1 GROUP BY y ORDER BY count(*), y} 57} {9 1 10 1 8 2 7 4 6 8 5 15} 58 59finish_test 60