From 6022c31a262881fecc4cd837a41e036489aab8f5 Mon Sep 17 00:00:00 2001
From: unknown <sergefp@mysql.com>
Date: Mon, 15 Mar 2004 23:11:58 +0300
Subject: Fix for Bug#3183

---
 sql/opt_range.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'sql/opt_range.h')

diff --git a/sql/opt_range.h b/sql/opt_range.h
index 1e5f58bc1f5..3c528719b29 100644
--- a/sql/opt_range.h
+++ b/sql/opt_range.h
@@ -87,7 +87,16 @@ public:
 
   QUICK_SELECT_I();
   virtual ~QUICK_SELECT_I(){};
+  /* 
+    Call init() immediately after creation of quick select. if init() call 
+    fails, reset() or get_next() must not be called.
+  */
   virtual int  init() = 0;
+  
+  /* 
+    Call reset() before first get_next call. get_next must not be called if 
+    reset() call fails.
+  */
   virtual int  reset(void) = 0;
   virtual int  get_next() = 0;   /* get next record to retrieve */
   virtual bool reverse_sorted() = 0;
-- 
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