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/* 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
- All flags, exept record-cache-flags, are set in all used databases
record-cache-flags are set in myrg_rrnd when we are changing database.
*/
#include "myrg_def.h"
int myrg_extra(MYRG_INFO *info,enum ha_extra_function function,
void *extra_arg)
{
int error,save_error=0;
MYRG_TABLE *file;
DBUG_ENTER("myrg_extra");
DBUG_PRINT("info",("function: %d",(ulong) function));
if (function == HA_EXTRA_CACHE)
{
info->cache_in_use=1;
info->cache_size= (extra_arg ? *(ulong*) extra_arg :
my_default_record_cache_size);
}
else
{
if (function == HA_EXTRA_NO_CACHE || function == HA_EXTRA_RESET ||
function == HA_EXTRA_PREPARE_FOR_UPDATE)
info->cache_in_use=0;
if (function == HA_EXTRA_RESET || function == HA_EXTRA_RESET_STATE)
{
info->current_table=0;
info->last_used_table=info->open_tables;
}
for (file=info->open_tables ; file != info->end_table ; file++)
{
if ((error=mi_extra(file->table, function, extra_arg)))
save_error=error;
}
}
DBUG_RETURN(save_error);
}
void myrg_extrafunc(MYRG_INFO *info, invalidator_by_filename inv)
{
MYRG_TABLE *file;
DBUG_ENTER("myrg_extrafunc");
for (file=info->open_tables ; file != info->end_table ; file++)
file->table->s->invalidator = inv;
DBUG_VOID_RETURN;
}
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