From 506631e771ad3f0a62a96ac790bad1da0e7d6845 Mon Sep 17 00:00:00 2001
From: unknown <ram@gw.mysql.r18.ru>
Date: Fri, 31 Oct 2003 13:02:16 +0400
Subject: WL #1056: Eliminate NOT operators from where condition

---
 sql/item.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sql/item.h')

diff --git a/sql/item.h b/sql/item.h
index a126a61e32e..e630d0229d7 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -212,6 +212,9 @@ public:
   virtual void bring_value() {}
 
   Field *tmp_table_field_from_field_type(TABLE *table);
+  
+  /* Used in sql_select.cc:eliminate_not_funcs() */
+  virtual Item *neg_transformer() { return NULL; }
 };
 
 
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