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