~drizzle-trunk/drizzle/development

/* Copyright (C) 2000-2002 MySQL AB

   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 */

/* re-read current record */

#include "heap_priv.h"

#include <drizzled/error_t.h>

	/* If inx != -1 the new record is read according to index

	   (for next/prev). Record must in this case point to last record

	   Returncodes:

	   0 = Ok.

	   HA_ERR_RECORD_DELETED = Record was removed

	   HA_ERR_KEY_NOT_FOUND = Record not found with key

	*/

int heap_rsame(register HP_INFO *info, unsigned char *record, int inx)

{

  HP_SHARE *share= info->getShare();

  test_active(info);

  if (get_chunk_status(&share->recordspace, info->current_ptr) == CHUNK_STATUS_ACTIVE)

  {

    if (inx < -1 || inx >= (int) share->keys)

    {

      return(errno= drizzled::HA_ERR_WRONG_INDEX);

    }

    else if (inx != -1)

    {

      info->lastinx=inx;

      hp_make_key(share->keydef + inx, &info->lastkey[0], record);

      if (!hp_search(info, share->keydef + inx, &info->lastkey[0], 3))

      {

	info->update=0;

	return(errno);

      }

    }

    hp_extract_record(share, record, info->current_ptr);

    return(0);

  }

  info->update=0;

  return(errno= drizzled::HA_ERR_RECORD_DELETED);

}