From baacdf1dae688fc148967acf20bf1ef79b3f7c01 Mon Sep 17 00:00:00 2001
From: Sergey Glukhov <Sergey.Glukhov@sun.com>
Date: Tue, 19 Jan 2010 13:03:40 +0400
Subject: Bug#49501 Inefficient information_schema check (system collation)
 added check_length optimization for I_S_NAME comparison

---
 sql/table.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'sql/table.cc')

diff --git a/sql/table.cc b/sql/table.cc
index 752b6ba0bd4..c06ecf99926 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -212,10 +212,7 @@ TABLE_CATEGORY get_table_category(const LEX_STRING *db, const LEX_STRING *name)
   DBUG_ASSERT(db != NULL);
   DBUG_ASSERT(name != NULL);
 
-  if ((db->length == INFORMATION_SCHEMA_NAME.length) &&
-      (my_strcasecmp(system_charset_info,
-                    INFORMATION_SCHEMA_NAME.str,
-                    db->str) == 0))
+  if (is_schema_db(db->str, db->length))
   {
     return TABLE_CATEGORY_INFORMATION;
   }
-- 
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