/trunk/test/distinctagg.test |
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# 2005 September 11 |
# |
# The author disclaims copyright to this source code. In place of |
# a legal notice, here is a blessing: |
# |
# May you do good and not evil. |
# May you find forgiveness for yourself and forgive others. |
# May you share freely, never taking more than you give. |
# |
#*********************************************************************** |
# This file implements regression tests for SQLite library. The |
# focus of this script is the DISTINCT modifier on aggregate functions. |
# |
# $Id: distinctagg.test,v 1.3 2009/02/09 13:19:28 drh Exp $ |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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do_test distinctagg-1.1 { |
execsql { |
CREATE TABLE t1(a,b,c); |
INSERT INTO t1 VALUES(1,2,3); |
INSERT INTO t1 VALUES(1,3,4); |
INSERT INTO t1 VALUES(1,3,5); |
SELECT count(distinct a), |
count(distinct b), |
count(distinct c), |
count(all a) FROM t1; |
} |
} {1 2 3 3} |
do_test distinctagg-1.2 { |
execsql { |
SELECT b, count(distinct c) FROM t1 GROUP BY b ORDER BY b |
} |
} {2 1 3 2} |
do_test distinctagg-1.3 { |
execsql { |
INSERT INTO t1 SELECT a+1, b+3, c+5 FROM t1; |
INSERT INTO t1 SELECT a+2, b+6, c+10 FROM t1; |
INSERT INTO t1 SELECT a+4, b+12, c+20 FROM t1; |
SELECT count(*), count(distinct a), count(distinct b) FROM t1 |
} |
} {24 8 16} |
do_test distinctagg-1.4 { |
execsql { |
SELECT a, count(distinct c) FROM t1 GROUP BY a ORDER BY a |
} |
} {1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3} |
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do_test distinctagg-2.1 { |
catchsql { |
SELECT count(distinct) FROM t1; |
} |
} {1 {DISTINCT aggregates must have exactly one argument}} |
do_test distinctagg-2.2 { |
catchsql { |
SELECT group_concat(distinct a,b) FROM t1; |
} |
} {1 {DISTINCT aggregates must have exactly one argument}} |
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finish_test |