diff options
Diffstat (limited to 'heap/hp_extra.c')
| -rw-r--r-- | heap/hp_extra.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/heap/hp_extra.c b/heap/hp_extra.c new file mode 100644 index 00000000000..581ca1e8e56 --- /dev/null +++ b/heap/hp_extra.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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; either version 2 of the License, or + (at your option) any later version. + + 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 */ + +/* Extra functions we want to do with a database */ +/* - Set flags for quicker databasehandler */ +/* - Set databasehandler to normal */ +/* - Reset recordpointers as after open database */ + +#include "heapdef.h" + + /* set extra flags for database */ + +int heap_extra(register HP_INFO *info, enum ha_extra_function function) +{ + DBUG_ENTER("heap_extra"); + + switch (function) { + case HA_EXTRA_RESET: + info->lastinx= -1; + info->current_record= (ulong) ~0L; + info->current_hash_ptr=0; + info->update=0; + break; + case HA_EXTRA_NO_READCHECK: + info->opt_flag&= ~READ_CHECK_USED; /* No readcheck */ + break; + case HA_EXTRA_READCHECK: + info->opt_flag|= READ_CHECK_USED; + break; + default: + break; + } + DBUG_RETURN(0); +} /* heap_extra */ |