release/src/router/mysql/storage/myisammrg/myrg_write.c

   1 /* Copyright (c) 2001, 2002, 2004-2007 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 /* Write a row to a MyISAM MERGE table */
  17
  18 #include "myrg_def.h"
  19
  20 int myrg_write(register MYRG_INFO *info, uchar *rec)
  21 {
  22   /* [phi] MERGE_WRITE_DISABLED is handled by the else case */
  23   if (info->merge_insert_method == MERGE_INSERT_TO_FIRST)
  24     return mi_write((info->current_table=info->open_tables)->table,rec);
  25   else if (info->merge_insert_method == MERGE_INSERT_TO_LAST)
  26     return mi_write((info->current_table=info->end_table-1)->table,rec);
  27   else /* unsupported insertion method */
  28     return (my_errno= HA_ERR_WRONG_COMMAND);
  29 }