1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* 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, size_t from_size);
DRIZZLE_API
ssize_t drizzle_safe_escape_string(char *to, size_t max_to_size, const char *from, size_t from_size);
DRIZZLE_API
size_t drizzle_hex_string(char *to, const char *from, size_t from_size);
DRIZZLE_API
void drizzle_mysql_password_hash(char *to, const char *from, size_t from_size);
/** @} */
#ifdef __cplusplus
}
#endif
|