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A fix (bug #6475: Another server crash in 5.0.2
bug #6515: count(distinct...) crashes the server)
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@@ -457,3 +457,10 @@ group_concat(distinct b order by b)
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Warnings:
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Warning 1260 2 line(s) were cut by GROUP_CONCAT()
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drop table t1;
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create table t1 (a char(3), b char(20), primary key (a, b));
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insert into t1 values ('ABW', 'Dutch'), ('ABW', 'English');
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select group_concat(a) from t1 group by b;
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group_concat(a)
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ABW
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ABW
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drop table t1;
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