/* * Drizzle Client & Protocol Library * * Copyright (C) 2008 Eric Day (eday@oddments.org) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * * The names of its contributors may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #pragma once /** * @file * @brief Field Declarations for Clients */ #ifdef __cplusplus extern "C" { #endif /** * @addtogroup drizzle_field_client Field Declarations for Clients * @ingroup drizzle_client_interface * * These functions allow you to access fields in a result set if the result is * unbuffered. If the result is buffered, you can access the fields through the * row functions. * @{ */ /** * Read field for unbuffered result, possibly in parts. This is especially * useful for blob streaming, since the client does not need to buffer the * entire blob. */ DRIZZLE_API drizzle_field_t drizzle_field_read(drizzle_result_st *result, size_t *offset, size_t *size, size_t *total, drizzle_return_t *ret_ptr); /** * Buffer one field. */ DRIZZLE_API drizzle_field_t drizzle_field_buffer(drizzle_result_st *result, size_t *total, drizzle_return_t *ret_ptr); /** * Free a buffered field. */ DRIZZLE_API void drizzle_field_free(drizzle_field_t field); /** @} */ #ifdef __cplusplus } #endif