From c8f303cd304e8fc08c726a03b95d51e998cd21bb Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Tue, 30 Nov 2010 21:03:08 +0000
Subject: Support binding null to an SQL command parameter Bind null for
 missing values for SQL merge data

---
 libodbcpp/param.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'libodbcpp/param.h')

diff --git a/libodbcpp/param.h b/libodbcpp/param.h
index f845a49..0009956 100644
--- a/libodbcpp/param.h
+++ b/libodbcpp/param.h
@@ -94,6 +94,16 @@ namespace ODBC {
 		protected:
 			SQL_TIMESTAMP_STRUCT data;
 	};
+	class NullParam : public Param {
+		public:
+			NullParam() : Param() { }
+			NullParam(Command * c, unsigned int i) : Param(c, i) { bindLen = SQL_NULL_DATA; }
+			virtual SQLSMALLINT ctype() const { return SQL_C_LONG; }
+			virtual SQLSMALLINT stype() const { return SQL_C_LONG; }
+			virtual SQLINTEGER size() const { return 0; }
+			virtual SQLINTEGER dp() const { return 0; }
+			virtual const void * dataAddress() const { return NULL; }
+	};
 }
 
 #endif
-- 
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