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Adding "const" qualifier to Item::compare_collation()

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This commit is contained in:
Alexander Barkov
2015-03-13 13:52:07 +04:00
parent 4d0e52189c
commit bd2105855a
4 changed files with 14 additions and 13 deletions
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4
sql/item_cmpfunc.cc
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@@ -6279,9 +6279,9 @@ void Item_equal::print(String *str, enum_query_type query_type)
}
CHARSET_INFO *Item_equal::compare_collation()
CHARSET_INFO *Item_equal::compare_collation() const
{
Item_equal_fields_iterator it(*this);
Item_equal_fields_iterator it(*((Item_equal*) this));
Item *item= it++;
return item->collation.collation;
}