mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 02:46:29 +01:00
86 lines
3 KiB
C
86 lines
3 KiB
C
/* Copyright (c) 2000, 2001, 2005, 2006 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 */
|
|
|
|
#include "myrg_def.h"
|
|
|
|
ulonglong myrg_position(MYRG_INFO *info)
|
|
{
|
|
MYRG_TABLE *current_table;
|
|
|
|
if (!(current_table = info->current_table) &&
|
|
info->open_tables != info->end_table)
|
|
current_table = info->open_tables;
|
|
return current_table ?
|
|
current_table->table->lastpos + current_table->file_offset :
|
|
~(ulonglong) 0;
|
|
}
|
|
|
|
int myrg_status(MYRG_INFO *info,register MYMERGE_INFO *x,int flag)
|
|
{
|
|
MYRG_TABLE *current_table;
|
|
DBUG_ENTER("myrg_status");
|
|
|
|
if (!(current_table = info->current_table) &&
|
|
info->open_tables != info->end_table)
|
|
current_table = info->open_tables;
|
|
x->recpos = info->current_table ?
|
|
info->current_table->table->lastpos + info->current_table->file_offset :
|
|
(ulong) -1L;
|
|
if (flag != HA_STATUS_POS)
|
|
{
|
|
MYRG_TABLE *file;
|
|
|
|
info->records=info->del=info->data_file_length=0;
|
|
for (file=info->open_tables ; file != info->end_table ; file++)
|
|
{
|
|
file->file_offset=info->data_file_length;
|
|
info->data_file_length+=file->table->s->state.state.data_file_length;
|
|
info->records+=file->table->s->state.state.records;
|
|
info->del+=file->table->s->state.state.del;
|
|
DBUG_PRINT("info2",("table: %s, offset: %lu",
|
|
file->table->filename,(ulong) file->file_offset));
|
|
}
|
|
x->records= info->records;
|
|
x->deleted= info->del;
|
|
x->data_file_length= info->data_file_length;
|
|
x->reclength= info->reclength;
|
|
x->options= info->options;
|
|
if (current_table)
|
|
{
|
|
/*
|
|
errkey is set to the index number of the myisam tables. But
|
|
since the MERGE table can have less keys than the MyISAM
|
|
tables, errkey cannot be be used as an index into the key_info
|
|
on the server. This value will be overwritten with MAX_KEY by
|
|
the MERGE engine.
|
|
*/
|
|
x->errkey= current_table->table->errkey;
|
|
/*
|
|
Calculate the position of the duplicate key to be the sum of the
|
|
offset of the myisam file and the offset into the file at which
|
|
the duplicate key is located.
|
|
*/
|
|
x->dupp_key_pos= current_table->file_offset + current_table->table->dupp_key_pos;
|
|
}
|
|
else
|
|
{
|
|
x->errkey= 0;
|
|
x->dupp_key_pos= 0;
|
|
}
|
|
x->rec_per_key = info->rec_per_key_part;
|
|
}
|
|
DBUG_RETURN(0);
|
|
}
|