myrg_info.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* 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 */
- #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)
- x->errkey= current_table->table->errkey;
- else
- x->errkey= 0;
- x->rec_per_key = info->rec_per_key_part;
- }
- DBUG_RETURN(0);
- }