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5.1 -> 5.5 merge

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Sergey Glukhov
2013-03-14 11:22:08 +03:00
parent 6947da5cf5 6077a41a66
commit 662feebc92
1 changed files with 8 additions and 1 deletions
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9
sql/item_sum.cc
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@ -3089,7 +3089,14 @@ Item_func_group_concat::Item_func_group_concat(THD *thd,
tmp= (ORDER *)(order + arg_count_order);
for (uint i= 0; i < arg_count_order; i++, tmp++)
{
memcpy(tmp, item->order[i], sizeof(ORDER));
/*
Compiler generated copy constructor is used to
to copy all the members of ORDER struct.
It's also necessary to update ORDER::next pointer
so that it points to new ORDER element.
*/
new (tmp) st_order(*(item->order[i]));
tmp->next= (i + 1 == arg_count_order) ? NULL : (tmp + 1);
order[i]= tmp;
}
}