Commit 4ac230e5 authored by Sergey Petrunya's avatar Sergey Petrunya

Better comments

parent f92cfdb8
...@@ -2377,7 +2377,8 @@ Item_in_subselect::select_in_like_transformer(JOIN *join) ...@@ -2377,7 +2377,8 @@ Item_in_subselect::select_in_like_transformer(JOIN *join)
object, but we can't know it here, but here we need address correct object, but we can't know it here, but here we need address correct
reference on left expresion. reference on left expresion.
//psergey: he means degenerate cases like "... IN (SELECT 1)" note: we won't need Item_in_optimizer when handling degenerate cases
like "... IN (SELECT 1)"
*/ */
if (!optimizer) if (!optimizer)
{ {
......
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