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/*
* 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.
*
*/
/**
* @file
* @brief Query Declarations
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup drizzle_query Query Declarations
*
* @ingroup drizzle_client_interface
* These functions are used to issue queries on a connection. Single queries are
* made using the drizzle_query function, or you can queue multiple queries and
* run them concurrently using the other query functions.
* @{
*/
/**
* Send query to server. A \ref drizzle_result_st will be created for the
* results.
*
* @param[in] con connection to use to send the query.
* @param[in,out] result pointer to an unused structure that will be used for
* the results, or NULL to allocate a new structure.
* @param[in] query query string to send.
* @param[in] size length of the query string in bytes.
* @param[out] ret_ptr pointer to the result code.
* @return result, a pointer to the newly allocated result structure, or NULL
* if the allocation failed.
*/
DRIZZLE_API
drizzle_result_st *drizzle_query(drizzle_con_st *con, drizzle_result_st *result,
const char *query, size_t size,
drizzle_return_t *ret_ptr);
/**
* Send query to server, using strlen to get the size of query buffer..
*/
DRIZZLE_API
drizzle_result_st *drizzle_query_str(drizzle_con_st *con,
drizzle_result_st *result,
const char *query,
drizzle_return_t *ret_ptr);
/**
* Send query incrementally.
*/
DRIZZLE_API
drizzle_result_st *drizzle_query_inc(drizzle_con_st *con,
drizzle_result_st *result,
const char *query, size_t size,
size_t total, drizzle_return_t *ret_ptr);
/**
* Add a query to be run concurrently.
*/
DRIZZLE_API
drizzle_query_st *drizzle_query_add(drizzle_st *drizzle,
drizzle_query_st *query,
drizzle_con_st *con,
drizzle_result_st *result,
const char *query_string, size_t size,
drizzle_query_options_t options,
void *context);
/**
* Initialize a query structure.
*/
DRIZZLE_API
drizzle_query_st *drizzle_query_create(drizzle_st *drizzle,
drizzle_query_st *query);
/**
* Free a query structure.
*/
DRIZZLE_API
void drizzle_query_free(drizzle_query_st *query);
/**
* Free a query structure.
*/
DRIZZLE_API
void drizzle_query_free_all(drizzle_st *drizzle);
/**
* Get connection struct for a query.
*/
DRIZZLE_API
drizzle_con_st *drizzle_query_con(drizzle_query_st *query);
/**
* Set connection struct for a query.
*/
DRIZZLE_API
void drizzle_query_set_con(drizzle_query_st *query, drizzle_con_st *con);
/**
* Get result struct for a query.
*/
DRIZZLE_API
drizzle_result_st *drizzle_query_result(drizzle_query_st *query);
/**
* Set result struct for a query.
*/
DRIZZLE_API
void drizzle_query_set_result(drizzle_query_st *query,
drizzle_result_st *result);
/**
* Get query string for a query.
*/
DRIZZLE_API
char *drizzle_query_string(drizzle_query_st *query, size_t *size);
/**
* Set query string for a query.
*/
DRIZZLE_API
void drizzle_query_set_string(drizzle_query_st *query, const char *string,
size_t size);
/**
* Get options for a query.
*/
DRIZZLE_API
drizzle_query_options_t drizzle_query_options(drizzle_query_st *query);
/**
* Set options for a query.
*/
DRIZZLE_API
void drizzle_query_set_options(drizzle_query_st *query,
drizzle_query_options_t options);
/**
* Add options for a query.
*/
DRIZZLE_API
void drizzle_query_add_options(drizzle_query_st *query,
drizzle_query_options_t options);
/**
* Remove options for a query.
*/
DRIZZLE_API
void drizzle_query_remove_options(drizzle_query_st *query,
drizzle_query_options_t options);
/**
* Get application context for a query.
*/
DRIZZLE_API
void *drizzle_query_context(drizzle_query_st *query);
/**
* Set application context for a query.
*/
DRIZZLE_API
void drizzle_query_set_context(drizzle_query_st *query, void *context);
/**
* Set callback function when the context pointer should be freed.
*/
DRIZZLE_API
void drizzle_query_set_context_free_fn(drizzle_query_st *query,
drizzle_query_context_free_fn *function);
/**
* Run queries concurrently, returning when one is complete.
*/
DRIZZLE_API
drizzle_query_st *drizzle_query_run(drizzle_st *drizzle,
drizzle_return_t *ret_ptr);
/**
* Run queries until they are all complete. Returns \ref DRIZZLE_RETURN_OK if
* all queries complete, even if some return errors. This returns immediately
* if some other error occurs, leaving some queries unprocessed. You must call
* drizzle_result_error_code() to check if each query succeeded.
*/
DRIZZLE_API
drizzle_return_t drizzle_query_run_all(drizzle_st *drizzle);
/*
* Escape a string or encode a string in hexadecimal. The return value is the
* size of the output string in to.
*/
DRIZZLE_API
size_t drizzle_escape_string(char *to, const char *from, const size_t from_size);
DRIZZLE_API
ssize_t drizzle_safe_escape_string(char *to, const size_t max_to_size, const char *from, const size_t from_size);
DRIZZLE_API
size_t drizzle_hex_string(char *to, const char *from, const size_t from_size);
DRIZZLE_API
void drizzle_mysql_password_hash(char *to, const char *from, const size_t from_size);
/** @} */
#ifdef __cplusplus
}
#endif
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