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/*
Copyright (c) 2020, 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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef SQL_GRANT_INCLUDED
#define SQL_GRANT_INCLUDED
#include "lex_string.h"
#include "privilege.h"
class LEX_COLUMN;
class Lex_ident_sys;
class Table_ident;
/*
Represents the object name in this standard SQL grammar:
GRANT <object privileges> ON <object name>
*/
class Grant_object_name
{
public:
enum Type
{
STAR, // ON *
IDENT_STAR, // ON db.*
STAR_STAR, // ON *.*
TABLE_IDENT // ON db.name
};
Lex_cstring m_db;
Table_ident *m_table_ident;
Type m_type;
public:
Grant_object_name(Table_ident *table_ident)
:m_table_ident(table_ident),
m_type(TABLE_IDENT)
{ }
Grant_object_name(const LEX_CSTRING &db, Type type)
:m_db(db),
m_table_ident(NULL),
m_type(type)
{ }
privilege_t all_privileges_by_type() const;
};
/*
Represents standard SQL statements described by:
- <grant privilege statement>
- <revoke privilege statement>
*/
class Grant_privilege
{
protected:
List<LEX_COLUMN> m_columns;
Lex_cstring m_db;
privilege_t m_object_privilege;
privilege_t m_column_privilege_total;
bool m_all_privileges;
public:
Grant_privilege()
:m_object_privilege(NO_ACL),
m_column_privilege_total(NO_ACL),
m_all_privileges(false)
{ }
Grant_privilege(privilege_t privilege, bool all_privileges)
:m_object_privilege(privilege),
m_column_privilege_total(NO_ACL),
m_all_privileges(all_privileges)
{ }
void add_object_privilege(privilege_t privilege)
{
m_object_privilege|= privilege;
}
bool add_column_privilege(THD *thd, const Lex_ident_sys &col,
privilege_t privilege);
bool add_column_list_privilege(THD *thd, List<Lex_ident_sys> &list,
privilege_t privilege);
bool set_object_name(THD *thd,
const Grant_object_name &ident,
SELECT_LEX *sel,
privilege_t with_grant_option);
const List<LEX_COLUMN> & columns() const { return m_columns; }
};
#endif // SQL_GRANT_INCLUDED
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