/* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.

 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 02110-1301 USA */

#ifndef SQL_DB_INCLUDED
#define SQL_DB_INCLUDED

#include "hash.h" /* HASH */

class THD;
typedef struct charset_info_st CHARSET_INFO;
typedef struct st_ha_create_information HA_CREATE_INFO;
typedef struct st_mysql_lex_string LEX_STRING;

int mysql_create_db(THD *thd, char *db, HA_CREATE_INFO *create, bool silent);
bool mysql_alter_db(THD *thd, const char *db, HA_CREATE_INFO *create);
bool mysql_rm_db(THD *thd,char *db,bool if_exists, bool silent);
bool mysql_upgrade_db(THD *thd, LEX_STRING *old_db);
bool mysql_change_db(THD *thd, const LEX_STRING *new_db_name,
 bool force_switch);

bool mysql_opt_change_db(THD *thd,
 const LEX_STRING *new_db_name,
 LEX_STRING *saved_db_name,
 bool force_switch,
 bool *cur_db_changed);
bool my_dboptions_cache_init(void);
void my_dboptions_cache_free(void);
bool check_db_dir_existence(const char *db_name);
bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create);
bool load_db_opt_by_name(THD *thd, const char *db_name,
 HA_CREATE_INFO *db_create_info);
const CHARSET_INFO *get_default_db_collation(THD *thd, const char *db_name);
bool my_dbopt_init(void);
void my_dbopt_cleanup(void);

#define MY_DB_OPT_FILE "db.opt"

#endif /* SQL_DB_INCLUDED */