Reset connection when a session is returned to the SessionPool

Data/MySQL/include/Poco/Data/MySQL/SessionHandle.h

@@ -65,6 +65,9 @@ public:
 	void rollback();
 		/// Rollback transaction
 
+	void resetConnection();
+		/// Reset connection with dababase and clears session state, but without disconnecting
+
 	operator MYSQL* ();
 
 private:

Data/MySQL/include/Poco/Data/MySQL/SessionImpl.h

@@ -66,6 +66,9 @@ public:
 
 	void close();
 		/// Closes the connection.
+
+	void resetConnection();
+		/// Reset connection with dababase and clears session state, but without disconnecting
 		
 	bool isConnected() const;
 		/// Returns true if connected, false otherwise.

Data/MySQL/src/SessionHandle.cpp

@@ -176,4 +176,11 @@ void SessionHandle::rollback()
 }
 
 
+void SessionHandle::resetConnection()
+{
+	if (mysql_reset_connection(_pHandle) != 0)
+		throw TransactionException("Reset connection failed.", _pHandle);
+}
+
+
 }}} // Poco::Data::MySQL

Data/MySQL/src/SessionImpl.cpp

@@ -257,6 +257,13 @@ bool SessionImpl::hasTransactionIsolation(Poco::UInt32 ti) const
 }
 
 
+void SessionImpl::resetConnection()
+{
+	if (_connected)
+		_handle.resetConnection();
+}
+
+
 void SessionImpl::close()
 {
 	if (_connected)