/* Copyright (c) 2000-2003, 2005-2007 MySQL AB, 2009 Sun Microsystems, Inc.
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 St, Fifth Floor, Boston, MA 02110-1335 USA */
/*
Extra functions we want to do with a database
- All flags , except 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: %lu" , (ulong) function));
if (!info->children_attached)
DBUG_RETURN(0 );
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_PREPARE_FOR_UPDATE)
info->cache_in_use=0 ;
if (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;
}
int myrg_reset(MYRG_INFO *info)
{
int save_error= 0 ;
MYRG_TABLE *file;
DBUG_ENTER("myrg_reset" );
info->cache_in_use=0 ;
info->current_table=0 ;
info->last_used_table= info->open_tables;
/*
This is normally called with detached children .
Return OK as this is the normal case .
*/
if (!info->children_attached)
DBUG_RETURN(0 );
for (file=info->open_tables ; file != info->end_table ; file++)
{
int error;
if ((error= mi_reset(file->table)))
save_error=error;
}
DBUG_RETURN(save_error);
}
Messung V0.5 in Prozent C=97 H=69 G=83
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-10-08)
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