Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/tkt2942.test
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testdata/tcl/tkt2942.test
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# 2008 February 15
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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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#
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# Ticket #2942.
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#
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# Queries of the form:
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#
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# SELECT group_concat(x) FROM (SELECT * FROM table ORDER BY 1);
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#
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# The ORDER BY would be dropped by the query flattener. This used
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# to not matter because aggregate functions sum(), min(), max(), avg(),
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# and so forth give the same result regardless of the order of inputs.
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# But with the addition of the group_concat() function, suddenly the
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# order does matter.
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#
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# $Id: tkt2942.test,v 1.1 2008/02/15 14:33:04 drh Exp $
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !subquery {
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finish_test
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return
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}
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do_test tkt2942.1 {
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execsql {
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create table t1(num int);
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insert into t1 values (2);
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insert into t1 values (1);
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insert into t1 values (3);
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insert into t1 values (4);
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SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num DESC);
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}
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} {4,3,2,1}
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do_test tkt2942.2 {
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execsql {
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SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num);
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}
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} {1,2,3,4}
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do_test tkt2942.3 {
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execsql {
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SELECT group_concat(num) FROM (SELECT num FROM t1);
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}
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} {2,1,3,4}
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do_test tkt2942.4 {
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execsql {
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SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY rowid DESC);
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}
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} {4,3,1,2}
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finish_test
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