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80acd881 · monty@mysql.com · 23bf186c · 80acd881
Commit 80acd881 authored Feb 07, 2005 by monty@mysql.com
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sql/item.cc sql/item.cc +4 -0

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--- a/sql/item.cc
+++ b/sql/item.cc
@@ -3069,6 +3069,10 @@ void Item_ref::set_properties()
  maybe_null= (*ref)->maybe_null;
  decimals=   (*ref)->decimals;
  collation.set((*ref)->collation);
+  /*
+    We have to remember if we refer to a sum function, to ensure that
+    split_sum_func() doesn't try to change the reference.
+  */
  with_sum_func= (*ref)->with_sum_func;
  if ((*ref)->type() == FIELD_ITEM)
    alias_name_used= ((Item_ident *) (*ref))->alias_name_used;