def execute(self, conn, block_id="", transaction=False):
        """
	simple execute
        """
        if not conn:
            dbsExceptionHandler("dbsException-db-conn-failed", "Oracle/FileBuffer/List. Expects db connection from upper layer.")

	sql = self.sql
        binds = { "block_id" : block_id}
        cursors = self.dbi.processData(sql, binds, conn, transaction, returnCursor=True)
        result = self.formatCursor(cursors[0])
        return result