mariadb/myisam/mi_rsamepos.c
kent@mysql.com/kent-amd64.(none) 6523aca729 my_strtoll10-x86.s:
Corrected spelling in copyright text
Makefile.am:
  Don't update the files from BitKeeper
Many files:
  Removed "MySQL Finland AB & TCX DataKonsult AB" from copyright header
  Adjusted year(s) in copyright header 
Many files:
  Added GPL copyright text
Removed files:
  Docs/Support/colspec-fix.pl
  Docs/Support/docbook-fixup.pl
  Docs/Support/docbook-prefix.pl
  Docs/Support/docbook-split
  Docs/Support/make-docbook
  Docs/Support/make-makefile
  Docs/Support/test-make-manual
  Docs/Support/test-make-manual-de
  Docs/Support/xwf
2006-12-31 01:02:27 +01:00

55 lines
1.7 KiB
C

/* Copyright (C) 2000-2001, 2005 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* read record through position and fix key-position */
/* As mi_rsame but supply a position */
#include "myisamdef.h"
/*
** If inx >= 0 update index pointer
** Returns one of the following values:
** 0 = Ok.
** HA_ERR_KEY_NOT_FOUND = Row is deleted
** HA_ERR_END_OF_FILE = End of file
*/
int mi_rsame_with_pos(MI_INFO *info, byte *record, int inx, my_off_t filepos)
{
DBUG_ENTER("mi_rsame_with_pos");
if (inx < -1 || ! mi_is_key_active(info->s->state.key_map, inx))
{
DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX);
}
info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
if ((*info->s->read_rnd)(info,record,filepos,0))
{
if (my_errno == HA_ERR_RECORD_DELETED)
my_errno=HA_ERR_KEY_NOT_FOUND;
DBUG_RETURN(my_errno);
}
info->lastpos=filepos;
info->lastinx=inx;
if (inx >= 0)
{
info->lastkey_length=_mi_make_key(info,(uint) inx,info->lastkey,record,
info->lastpos);
info->update|=HA_STATE_KEY_CHANGED; /* Don't use indexposition */
}
DBUG_RETURN(0);
} /* mi_rsame_pos */