Commit d88c56a6 authored by unknown's avatar unknown

Comments added

parent 1b3ffb1b
......@@ -997,6 +997,8 @@ class Item_null_helper :public Item_ref_null_helper
The following class is used to optimize comparing of date and bigint columns
We need to save the original item, to be able to set the field to the
original value in 'opt_range'.
An instance of Item_int_with_ref may refer to a signed or an unsigned
integer.
*/
class Item_int_with_ref :public Item_int
......
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