sql_user_table.h

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/* Copyright (c) 2000, 2023, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef SQL_USER_TABLE_INCLUDED
#define SQL_USER_TABLE_INCLUDED
 
#include "mysql/my_loglevel.h"           // loglevel
#include "sql/sql_system_table_check.h"  // System_table_intact
 
class THD;
 
/**
  Enum for ACL tables.
  Keep in sync with Acl_table_names
*/
typedef enum ACL_TABLES {
  TABLE_USER = 0,
  TABLE_DB,
  TABLE_TABLES_PRIV,
  TABLE_COLUMNS_PRIV,
  TABLE_PROCS_PRIV,
  TABLE_PROXIES_PRIV,
  TABLE_ROLE_EDGES,
  TABLE_DEFAULT_ROLES,
  TABLE_DYNAMIC_PRIV,
  TABLE_PASSWORD_HISTORY,
  LAST_ENTRY /* Must always be at the end */
} ACL_TABLES;
 
/**
  Class to validate the flawlessness of ACL table
  before performing ACL operations.
*/
class Acl_table_intact : public System_table_intact {
 public:
  Acl_table_intact(THD *c_thd, enum loglevel log_level = ERROR_LEVEL)
      : System_table_intact(c_thd, log_level) {}
 
  /**
    Checks whether an ACL table is intact.
 
    Works in conjunction with @ref mysql_acl_table_defs and
    Table_check_intact::check()
 
    @param table Table to check.
    @param acl_table ACL Table "id"
 
    @retval  false  OK
    @retval  true   There was an error.
  */
  bool check(TABLE *table, ACL_TABLES acl_table) {
    return Table_check_intact::check(thd(), table,
                                     &(mysql_acl_table_defs[acl_table]));
  }
 
 private:
  static const TABLE_FIELD_DEF mysql_acl_table_defs[];
};
 
int handle_grant_table(THD *, Table_ref *tables, ACL_TABLES table_no, bool drop,
                       LEX_USER *user_from, LEX_USER *user_to);
 
#endif /* SQL_USER_TABLE_INCLUDED */