From 4c2e5fdcb2e512d8a75faffd02f6055d533d2c41 Mon Sep 17 00:00:00 2001
From: Alexey Kopytov <akopytov@gmail.com>
Date: Thu, 26 Feb 2009 10:35:44 +0000
Subject: [PATCH] Fixed a bug with preparation of statements w/o bound
 parameters.

---
 sysbench/scripting/script_lua.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sysbench/scripting/script_lua.c b/sysbench/scripting/script_lua.c
index e8231bc..9486d93 100644
--- a/sysbench/scripting/script_lua.c
+++ b/sysbench/scripting/script_lua.c
@@ -674,6 +674,8 @@ int sb_lua_db_prepare(lua_State *L)
   if (stmt->ptr == NULL)
     luaL_error(L, "db_prepare() failed");
 
+  stmt->param_ref = LUA_REFNIL;
+  
   return 1;
 }