This file is indexed.

/usr/include/apr-1.0/apr_dbd.h is in libaprutil1-dev 1.5.4-1build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Overview of what this is and does:
 * http://www.apache.org/~niq/dbd.html
 */

#ifndef APR_DBD_H
#define APR_DBD_H

#include "apu.h"
#include "apr_pools.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @file apr_dbd.h
 * @brief APR-UTIL DBD library
 */
/**
 * @defgroup APR_Util_DBD DBD routines
 * @ingroup APR_Util
 * @{
 */

/**
 * Mapping of C to SQL types, used for prepared statements.
 * @remarks
 * For apr_dbd_p[v]query/select functions, in and out parameters are always
 * const char * (i.e. regular nul terminated strings). LOB types are passed
 * with four (4) arguments: payload, length, table and column, all as const
 * char *, where table and column are reserved for future use by Oracle.
 * @remarks
 * For apr_dbd_p[v]bquery/select functions, in and out parameters are
 * described next to each enumeration constant and are generally native binary
 * types or some APR data type. LOB types are passed with four (4) arguments:
 * payload (char*), length (apr_size_t*), table (char*) and column (char*).
 * Table and column are reserved for future use by Oracle.
 */
typedef enum {
    APR_DBD_TYPE_NONE,
    APR_DBD_TYPE_TINY,       /**< \%hhd : in, out: char* */
    APR_DBD_TYPE_UTINY,      /**< \%hhu : in, out: unsigned char* */
    APR_DBD_TYPE_SHORT,      /**< \%hd  : in, out: short* */
    APR_DBD_TYPE_USHORT,     /**< \%hu  : in, out: unsigned short* */
    APR_DBD_TYPE_INT,        /**< \%d   : in, out: int* */
    APR_DBD_TYPE_UINT,       /**< \%u   : in, out: unsigned int* */
    APR_DBD_TYPE_LONG,       /**< \%ld  : in, out: long* */
    APR_DBD_TYPE_ULONG,      /**< \%lu  : in, out: unsigned long* */
    APR_DBD_TYPE_LONGLONG,   /**< \%lld : in, out: apr_int64_t* */
    APR_DBD_TYPE_ULONGLONG,  /**< \%llu : in, out: apr_uint64_t* */
    APR_DBD_TYPE_FLOAT,      /**< \%f   : in, out: float* */
    APR_DBD_TYPE_DOUBLE,     /**< \%lf  : in, out: double* */
    APR_DBD_TYPE_STRING,     /**< \%s   : in: char*, out: char** */
    APR_DBD_TYPE_TEXT,       /**< \%pDt : in: char*, out: char** */
    APR_DBD_TYPE_TIME,       /**< \%pDi : in: char*, out: char** */
    APR_DBD_TYPE_DATE,       /**< \%pDd : in: char*, out: char** */
    APR_DBD_TYPE_DATETIME,   /**< \%pDa : in: char*, out: char** */
    APR_DBD_TYPE_TIMESTAMP,  /**< \%pDs : in: char*, out: char** */
    APR_DBD_TYPE_ZTIMESTAMP, /**< \%pDz : in: char*, out: char** */
    APR_DBD_TYPE_BLOB,       /**< \%pDb : in: char* apr_size_t* char* char*, out: apr_bucket_brigade* */
    APR_DBD_TYPE_CLOB,       /**< \%pDc : in: char* apr_size_t* char* char*, out: apr_bucket_brigade* */
    APR_DBD_TYPE_NULL        /**< \%pDn : in: void*, out: void** */
} apr_dbd_type_e;

/* These are opaque structs.  Instantiation is up to each backend */
typedef struct apr_dbd_driver_t apr_dbd_driver_t;
typedef struct apr_dbd_t apr_dbd_t;
typedef struct apr_dbd_transaction_t apr_dbd_transaction_t;
typedef struct apr_dbd_results_t apr_dbd_results_t;
typedef struct apr_dbd_row_t apr_dbd_row_t;
typedef struct apr_dbd_prepared_t apr_dbd_prepared_t;

/** apr_dbd_init: perform once-only initialisation.  Call once only.
 *
 *  @param pool - pool to register any shutdown cleanups, etc
 */
APU_DECLARE(apr_status_t) apr_dbd_init(apr_pool_t *pool);

/** apr_dbd_get_driver: get the driver struct for a name
 *
 *  @param pool - (process) pool to register cleanup
 *  @param name - driver name
 *  @param driver - pointer to driver struct.
 *  @return APR_SUCCESS for success
 *  @return APR_ENOTIMPL for no driver (when DSO not enabled)
 *  @return APR_EDSOOPEN if DSO driver file can't be opened
 *  @return APR_ESYMNOTFOUND if the driver file doesn't contain a driver
 */
APU_DECLARE(apr_status_t) apr_dbd_get_driver(apr_pool_t *pool, const char *name,
                                             const apr_dbd_driver_t **driver);

/** apr_dbd_open_ex: open a connection to a backend
 *
 *  @param driver - driver struct.
 *  @param pool - working pool
 *  @param params - arguments to driver (implementation-dependent)
 *  @param handle - pointer to handle to return
 *  @param error - descriptive error.
 *  @return APR_SUCCESS for success
 *  @return APR_EGENERAL if driver exists but connection failed
 *  @remarks PostgreSQL: the params is passed directly to the PQconnectdb()
 *  function (check PostgreSQL documentation for more details on the syntax).
 *  @remarks SQLite2: the params is split on a colon, with the first part used
 *  as the filename and second part converted to an integer and used as file
 *  mode.
 *  @remarks SQLite3: the params is passed directly to the sqlite3_open()
 *  function as a filename to be opened (check SQLite3 documentation for more
 *  details).
 *  @remarks Oracle: the params can have "user", "pass", "dbname" and "server"
 *  keys, each followed by an equal sign and a value. Such key/value pairs can
 *  be delimited by space, CR, LF, tab, semicolon, vertical bar or comma.
 *  @remarks MySQL: the params can have "host", "port", "user", "pass",
 *  "dbname", "sock", "flags" "fldsz", "group" and "reconnect" keys, each
 *  followed by an equal sign and a value. Such key/value pairs can be
 *  delimited by space, CR, LF, tab, semicolon, vertical bar or comma. For
 *  now, "flags" can only recognise CLIENT_FOUND_ROWS (check MySQL manual for
 *  details). The value associated with "fldsz" determines maximum amount of
 *  memory (in bytes) for each of the fields in the result set of prepared
 *  statements. By default, this value is 1 MB. The value associated with
 *  "group" determines which group from configuration file to use (see
 *  MYSQL_READ_DEFAULT_GROUP option of mysql_options() in MySQL manual).
 *  Reconnect is set to 1 by default (i.e. true).
 *  @remarks FreeTDS: the params can have "username", "password", "appname",
 *  "dbname", "host", "charset", "lang" and "server" keys, each followed by an
 *  equal sign and a value.
 */
APU_DECLARE(apr_status_t) apr_dbd_open_ex(const apr_dbd_driver_t *driver,
                                          apr_pool_t *pool, const char *params,
                                          apr_dbd_t **handle,
                                          const char **error);

/** apr_dbd_open: open a connection to a backend
 *
 *  @param driver - driver struct.
 *  @param pool - working pool
 *  @param params - arguments to driver (implementation-dependent)
 *  @param handle - pointer to handle to return
 *  @return APR_SUCCESS for success
 *  @return APR_EGENERAL if driver exists but connection failed
 *  @see apr_dbd_open_ex
 */
APU_DECLARE(apr_status_t) apr_dbd_open(const apr_dbd_driver_t *driver,
                                       apr_pool_t *pool, const char *params,
                                       apr_dbd_t **handle);

/** apr_dbd_close: close a connection to a backend
 *
 *  @param driver - driver struct.
 *  @param handle - handle to close
 *  @return APR_SUCCESS for success or error status
 */
APU_DECLARE(apr_status_t) apr_dbd_close(const apr_dbd_driver_t *driver,
                                        apr_dbd_t *handle);

/* apr-function-shaped versions of things */

/** apr_dbd_name: get the name of the driver
 *
 *  @param driver - the driver
 *  @return - name
 */
APU_DECLARE(const char*) apr_dbd_name(const apr_dbd_driver_t *driver);

/** apr_dbd_native_handle: get native database handle of the underlying db
 *
 *  @param driver - the driver
 *  @param handle - apr_dbd handle
 *  @return - native handle
 */
APU_DECLARE(void*) apr_dbd_native_handle(const apr_dbd_driver_t *driver,
                                         apr_dbd_t *handle);

/** check_conn: check status of a database connection
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection to check
 *  @return APR_SUCCESS or error
 */
APU_DECLARE(int) apr_dbd_check_conn(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                    apr_dbd_t *handle);

/** apr_dbd_set_dbname: select database name.  May be a no-op if not supported.
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param name - the database to select
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_set_dbname(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                    apr_dbd_t *handle, const char *name);

/** apr_dbd_transaction_start: start a transaction.  May be a no-op.
 *
 *  @param driver - the driver
 *  @param pool - a pool to use for error messages (if any).
 *  @param handle - the db connection
 *  @param trans - ptr to a transaction.  May be null on entry
 *  @return 0 for success or error code
 *  @remarks Note that transaction modes, set by calling
 *  apr_dbd_transaction_mode_set(), will affect all query/select calls within
 *  a transaction. By default, any error in query/select during a transaction
 *  will cause the transaction to inherit the error code and any further
 *  query/select calls will fail immediately. Put transaction in "ignore
 *  errors" mode to avoid that. Use "rollback" mode to do explicit rollback.
 */
APU_DECLARE(int) apr_dbd_transaction_start(const apr_dbd_driver_t *driver,
                                           apr_pool_t *pool,
                                           apr_dbd_t *handle,
                                           apr_dbd_transaction_t **trans);

/** apr_dbd_transaction_end: end a transaction
 *  (commit on success, rollback on error).
 *  May be a no-op.
 *
 *  @param driver - the driver
 *  @param handle - the db connection
 *  @param trans - the transaction.
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_transaction_end(const apr_dbd_driver_t *driver,
                                         apr_pool_t *pool,
                                         apr_dbd_transaction_t *trans);

#define APR_DBD_TRANSACTION_COMMIT        0x00  /**< commit the transaction */
#define APR_DBD_TRANSACTION_ROLLBACK      0x01  /**< rollback the transaction */
#define APR_DBD_TRANSACTION_IGNORE_ERRORS 0x02  /**< ignore transaction errors */

/** apr_dbd_transaction_mode_get: get the mode of transaction
 *
 *  @param driver - the driver
 *  @param trans  - the transaction
 *  @return mode of transaction
 */
APU_DECLARE(int) apr_dbd_transaction_mode_get(const apr_dbd_driver_t *driver,
                                              apr_dbd_transaction_t *trans);

/** apr_dbd_transaction_mode_set: set the mode of transaction
 *
 *  @param driver - the driver
 *  @param trans  - the transaction
 *  @param mode   - new mode of the transaction
 *  @return the mode of transaction in force after the call
 */
APU_DECLARE(int) apr_dbd_transaction_mode_set(const apr_dbd_driver_t *driver,
                                              apr_dbd_transaction_t *trans,
                                              int mode);

/** apr_dbd_query: execute an SQL query that doesn't return a result set
 *
 *  @param driver - the driver
 *  @param handle - the connection
 *  @param nrows - number of rows affected.
 *  @param statement - the SQL statement to execute
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_query(const apr_dbd_driver_t *driver, apr_dbd_t *handle,
                               int *nrows, const char *statement);

/** apr_dbd_select: execute an SQL query that returns a result set
 *
 *  @param driver - the driver
 *  @param pool - pool to allocate the result set
 *  @param handle - the connection
 *  @param res - pointer to result set pointer.  May point to NULL on entry
 *  @param statement - the SQL statement to execute
 *  @param random - 1 to support random access to results (seek any row);
 *                  0 to support only looping through results in order
 *                    (async access - faster)
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_select(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                apr_dbd_t *handle, apr_dbd_results_t **res,
                                const char *statement, int random);

/** apr_dbd_num_cols: get the number of columns in a results set
 *
 *  @param driver - the driver
 *  @param res - result set.
 *  @return number of columns
 */
APU_DECLARE(int) apr_dbd_num_cols(const apr_dbd_driver_t *driver,
                                  apr_dbd_results_t *res);

/** apr_dbd_num_tuples: get the number of rows in a results set
 *  of a synchronous select
 *
 *  @param driver - the driver
 *  @param res - result set.
 *  @return number of rows, or -1 if the results are asynchronous
 */
APU_DECLARE(int) apr_dbd_num_tuples(const apr_dbd_driver_t *driver,
                                    apr_dbd_results_t *res);

/** apr_dbd_get_row: get a row from a result set
 *
 *  @param driver - the driver
 *  @param pool - pool to allocate the row
 *  @param res - result set pointer
 *  @param row - pointer to row pointer.  May point to NULL on entry
 *  @param rownum - row number (counting from 1), or -1 for "next row".
 *                  Ignored if random access is not supported.
 *  @return 0 for success, -1 for rownum out of range or data finished
 */
APU_DECLARE(int) apr_dbd_get_row(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                 apr_dbd_results_t *res, apr_dbd_row_t **row,
                                 int rownum);

/** apr_dbd_get_entry: get an entry from a row
 *
 *  @param driver - the driver
 *  @param row - row pointer
 *  @param col - entry number
 *  @return value from the row, or NULL if col is out of bounds.
 */
APU_DECLARE(const char*) apr_dbd_get_entry(const apr_dbd_driver_t *driver,
                                           apr_dbd_row_t *row, int col);

/** apr_dbd_get_name: get an entry name from a result set
 *
 *  @param driver - the driver
 *  @param res - result set pointer
 *  @param col - entry number
 *  @return name of the entry, or NULL if col is out of bounds.
 */
APU_DECLARE(const char*) apr_dbd_get_name(const apr_dbd_driver_t *driver,
                                          apr_dbd_results_t *res, int col);


/** apr_dbd_error: get current error message (if any)
 *
 *  @param driver - the driver
 *  @param handle - the connection
 *  @param errnum - error code from operation that returned an error
 *  @return the database current error message, or message for errnum
 *          (implementation-dependent whether errnum is ignored)
 */
APU_DECLARE(const char*) apr_dbd_error(const apr_dbd_driver_t *driver,
                                       apr_dbd_t *handle, int errnum);

/** apr_dbd_escape: escape a string so it is safe for use in query/select
 *
 *  @param driver - the driver
 *  @param pool - pool to alloc the result from
 *  @param string - the string to escape
 *  @param handle - the connection
 *  @return the escaped, safe string
 */
APU_DECLARE(const char*) apr_dbd_escape(const apr_dbd_driver_t *driver,
                                        apr_pool_t *pool, const char *string,
                                        apr_dbd_t *handle);

/** apr_dbd_prepare: prepare a statement
 *
 *  @param driver - the driver
 *  @param pool - pool to alloc the result from
 *  @param handle - the connection
 *  @param query - the SQL query
 *  @param label - A label for the prepared statement.
 *                 use NULL for temporary prepared statements
 *                 (eg within a Request in httpd)
 *  @param statement - statement to prepare.  May point to null on entry.
 *  @return 0 for success or error code
 *  @remarks To specify parameters of the prepared query, use \%s, \%d etc.
 *  (see below for full list) in place of database specific parameter syntax
 *  (e.g.  for PostgreSQL, this would be $1, $2, for SQLite3 this would be ?
 *  etc.).  For instance: "SELECT name FROM customers WHERE name=%s" would be
 *  a query that this function understands.
 *  @remarks Here is the full list of format specifiers that this function
 *  understands and what they map to in SQL: \%hhd (TINY INT), \%hhu (UNSIGNED
 *  TINY INT), \%hd (SHORT), \%hu (UNSIGNED SHORT), \%d (INT), \%u (UNSIGNED
 *  INT), \%ld (LONG), \%lu (UNSIGNED LONG), \%lld (LONG LONG), \%llu
 *  (UNSIGNED LONG LONG), \%f (FLOAT, REAL), \%lf (DOUBLE PRECISION), \%s
 *  (VARCHAR), \%pDt (TEXT), \%pDi (TIME), \%pDd (DATE), \%pDa (DATETIME),
 *  \%pDs (TIMESTAMP), \%pDz (TIMESTAMP WITH TIME ZONE), \%pDb (BLOB), \%pDc
 *  (CLOB) and \%pDn (NULL). Not all databases have support for all these
 *  types, so the underlying driver will attempt the "best match" where
 *  possible. A \% followed by any letter not in the above list will be
 *  interpreted as VARCHAR (i.e. \%s).
 */
APU_DECLARE(int) apr_dbd_prepare(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                 apr_dbd_t *handle, const char *query,
                                 const char *label,
                                 apr_dbd_prepared_t **statement);


/** apr_dbd_pquery: query using a prepared statement + args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param nrows - number of rows affected.
 *  @param statement - the prepared statement to execute
 *  @param nargs - ignored (for backward compatibility only)
 *  @param args - args to prepared statement
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_pquery(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                apr_dbd_t *handle, int *nrows,
                                apr_dbd_prepared_t *statement, int nargs,
                                const char **args);

/** apr_dbd_pselect: select using a prepared statement + args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param res - pointer to query results.  May point to NULL on entry
 *  @param statement - the prepared statement to execute
 *  @param random - Whether to support random-access to results
 *  @param nargs - ignored (for backward compatibility only)
 *  @param args - args to prepared statement
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_pselect(const apr_dbd_driver_t *driver, apr_pool_t *pool,
                                 apr_dbd_t *handle, apr_dbd_results_t **res,
                                 apr_dbd_prepared_t *statement, int random,
                                 int nargs, const char **args);

/** apr_dbd_pvquery: query using a prepared statement + args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param nrows - number of rows affected.
 *  @param statement - the prepared statement to execute
 *  @param ... - varargs list
 *  @return 0 for success or error code
 */
APU_DECLARE_NONSTD(int) apr_dbd_pvquery(const apr_dbd_driver_t *driver, 
                                        apr_pool_t *pool,
                                        apr_dbd_t *handle, int *nrows,
                                        apr_dbd_prepared_t *statement, ...);

/** apr_dbd_pvselect: select using a prepared statement + args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param res - pointer to query results.  May point to NULL on entry
 *  @param statement - the prepared statement to execute
 *  @param random - Whether to support random-access to results
 *  @param ... - varargs list
 *  @return 0 for success or error code
 */
APU_DECLARE_NONSTD(int) apr_dbd_pvselect(const apr_dbd_driver_t *driver,
                                         apr_pool_t *pool, apr_dbd_t *handle,
                                         apr_dbd_results_t **res,
                                         apr_dbd_prepared_t *statement,
                                         int random, ...);

/** apr_dbd_pbquery: query using a prepared statement + binary args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param nrows - number of rows affected.
 *  @param statement - the prepared statement to execute
 *  @param args - binary args to prepared statement
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_pbquery(const apr_dbd_driver_t *driver,
                                 apr_pool_t *pool, apr_dbd_t *handle,
                                 int *nrows, apr_dbd_prepared_t *statement,
                                 const void **args);

/** apr_dbd_pbselect: select using a prepared statement + binary args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param res - pointer to query results.  May point to NULL on entry
 *  @param statement - the prepared statement to execute
 *  @param random - Whether to support random-access to results
 *  @param args - binary args to prepared statement
 *  @return 0 for success or error code
 */
APU_DECLARE(int) apr_dbd_pbselect(const apr_dbd_driver_t *driver,
                                  apr_pool_t *pool,
                                  apr_dbd_t *handle, apr_dbd_results_t **res,
                                  apr_dbd_prepared_t *statement, int random,
                                  const void **args);

/** apr_dbd_pvbquery: query using a prepared statement + binary args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param nrows - number of rows affected.
 *  @param statement - the prepared statement to execute
 *  @param ... - varargs list of binary args
 *  @return 0 for success or error code
 */
APU_DECLARE_NONSTD(int) apr_dbd_pvbquery(const apr_dbd_driver_t *driver,
                                         apr_pool_t *pool,
                                         apr_dbd_t *handle, int *nrows,
                                         apr_dbd_prepared_t *statement, ...);

/** apr_dbd_pvbselect: select using a prepared statement + binary args
 *
 *  @param driver - the driver
 *  @param pool - working pool
 *  @param handle - the connection
 *  @param res - pointer to query results.  May point to NULL on entry
 *  @param statement - the prepared statement to execute
 *  @param random - Whether to support random-access to results
 *  @param ... - varargs list of binary args
 *  @return 0 for success or error code
 */
APU_DECLARE_NONSTD(int) apr_dbd_pvbselect(const apr_dbd_driver_t *driver,
                                          apr_pool_t *pool, apr_dbd_t *handle,
                                          apr_dbd_results_t **res,
                                          apr_dbd_prepared_t *statement,
                                          int random, ...);

/** apr_dbd_datum_get: get a binary entry from a row
 *
 *  @param driver - the driver
 *  @param row - row pointer
 *  @param col - entry number
 *  @param type - type of data to get
 *  @param data - pointer to data, allocated by the caller
 *  @return APR_SUCCESS on success, APR_ENOENT if data is NULL or APR_EGENERAL
 */
APU_DECLARE(apr_status_t) apr_dbd_datum_get(const apr_dbd_driver_t *driver,
                                            apr_dbd_row_t *row, int col,
                                            apr_dbd_type_e type, void *data);

/** @} */

#ifdef __cplusplus
}
#endif

#endif