Fix for core dump in DISTINCT
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@ -39222,6 +39222,9 @@ though, so Version 3.23 is not released as a stable version yet.
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@appendixsubsec Changes in release 3.23.29
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@itemize @bullet
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@item
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Fixed bug when doing a @code{SELECT DISTINCT ... table1 LEFT JOIN
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table2..] when table2 was empty.
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@item
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Added @code{--abort-slave-event-count} and
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@code{--disconnect-slave-event-count} options to @code{mysqld} for
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debugging and testing of replication
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@ -5218,8 +5218,10 @@ remove_duplicates(JOIN *join, TABLE *entry,List<Item> &fields)
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List_iterator<Item> it(fields);
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Item *item;
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while ((item=it++))
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if (item->tmp_table_field())
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{
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if (item->tmp_table_field() && ! item->const_item())
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field_count++;
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}
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if (!field_count)
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{ // only const items
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