관리-도구

편집 파일: datadict.h

#ifndef DATADICT_INCLUDED
#define DATADICT_INCLUDED
/* Copyright (c) 2010, Oracle and/or its affiliates.
   Copyright (c) 2017 MariaDB corporation.

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 "handler.h"

/*
  Data dictionary API.
*/

enum Table_type
{
  TABLE_TYPE_UNKNOWN,
  TABLE_TYPE_NORMAL,                            /* Normal table */
  TABLE_TYPE_SEQUENCE,
  TABLE_TYPE_VIEW
};

/*
  Take extra care when using dd_frm_type() - it only checks the .frm file,
  and it won't work for any engine that supports discovery.

Prefer to use ha_table_exists() instead.
  To check whether it's an frm of a view, use dd_frm_is_view().
*/

enum Table_type dd_frm_type(THD *thd, char *path, LEX_CSTRING *engine_name,
                            LEX_CSTRING *partition_engine_name,
                            LEX_CUSTRING *table_version);

static inline bool dd_frm_is_view(THD *thd, char *path)
{
  return dd_frm_type(thd, path, NULL, NULL, NULL) == TABLE_TYPE_VIEW;
}

bool dd_recreate_table(THD *thd, const char *db, const char *table_name);

#endif // DATADICT_INCLUDED