~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems, Inc.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef _libdrizzle_drizzle_res_h

#define _libdrizzle_drizzle_res_h

#ifdef  __cplusplus

extern "C" {

#endif

#include <stdint.h>

#if !defined(__cplusplus)

# include <stdbool.h>

#endif

#include <libdrizzle/drizzle_field.h>

#include <libdrizzle/drizzle_data.h>

#include <libdrizzle/drizzle_rows.h>

#include <libdrizzle/drizzle.h>

  struct st_drizzle;

  typedef struct st_drizzle_res {

  uint64_t  row_count;

  DRIZZLE_FIELD  *fields;

  DRIZZLE_DATA  *data;

  DRIZZLE_ROWS  *data_cursor;

  uint32_t *lengths;    /* column lengths of current row */

  struct st_drizzle *handle;    /* for unbuffered reads */

  const struct st_drizzle_methods *methods;

  DRIZZLE_ROW  row;      /* If unbuffered read */

  DRIZZLE_ROW  current_row;    /* buffer to current row */

  uint32_t  field_count, current_field;

  bool  eof;      /* Used by drizzle_fetch_row */

  /* drizzle_stmt_close() had to cancel this result */

  bool       unbuffered_fetch_cancelled;

  void *extension;

} DRIZZLE_RES;

/*

  Functions to get information from the DRIZZLE and DRIZZLE_RES structures

  Should definitely be used if one uses shared libraries.

*/

uint64_t drizzle_num_rows(const DRIZZLE_RES *res);

unsigned int drizzle_num_fields(const DRIZZLE_RES *res);

bool drizzle_eof(const DRIZZLE_RES *res);

const DRIZZLE_FIELD * drizzle_fetch_field_direct(const DRIZZLE_RES *res,

                unsigned int fieldnr);

const DRIZZLE_FIELD * drizzle_fetch_fields(const DRIZZLE_RES *res);

DRIZZLE_ROW_OFFSET drizzle_row_tell(const DRIZZLE_RES *res);

DRIZZLE_FIELD_OFFSET drizzle_field_tell(const DRIZZLE_RES *res);

void    drizzle_free_result(DRIZZLE_RES *result);

void    drizzle_data_seek(DRIZZLE_RES *result, uint64_t offset);

DRIZZLE_ROW_OFFSET drizzle_row_seek(DRIZZLE_RES *result, DRIZZLE_ROW_OFFSET offset);

DRIZZLE_FIELD_OFFSET drizzle_field_seek(DRIZZLE_RES *result, DRIZZLE_FIELD_OFFSET offset);

DRIZZLE_ROW  drizzle_fetch_row(DRIZZLE_RES *result);

uint32_t * drizzle_fetch_lengths(DRIZZLE_RES *result);

DRIZZLE_FIELD *  drizzle_fetch_field(DRIZZLE_RES *result);

#ifdef  __cplusplus

}

#endif

#endif /* _libdrizzle_drizzle_res_h */