mariadb/storage/myisammrg/myrg_write.c
Eugene Kosov c9aa495fb6 MDEV-19955 make argument of handler::ha_write_row() const
MDEV-19486 and one more similar bug appeared because handler::write_row() interface
welcomes to modify buffer by storage engine. But callers are not ready for that
thus bugs are possible in future.

handler::write_row():
handler::ha_write_row(): make argument const
2019-07-05 13:14:19 +03:00

30 lines
1.3 KiB
C

/* Copyright (c) 2001, 2002, 2004-2007 MySQL AB
Use is subject to license terms
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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
/* Write a row to a MyISAM MERGE table */
#include "myrg_def.h"
int myrg_write(register MYRG_INFO *info, const uchar *rec)
{
/* [phi] MERGE_WRITE_DISABLED is handled by the else case */
if (info->merge_insert_method == MERGE_INSERT_TO_FIRST)
return mi_write((info->current_table=info->open_tables)->table,rec);
else if (info->merge_insert_method == MERGE_INSERT_TO_LAST)
return mi_write((info->current_table=info->end_table-1)->table,rec);
else /* unsupported insertion method */
return (my_errno= HA_ERR_WRONG_COMMAND);
}