code: func (p *MySQLPrivilege) LoadDBTable(ctx sessionctx.Context) error {
  	return p.loadTable(ctx, "select HIGH_PRIORITY Host,DB,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv,Grant_priv,Index_priv,Alter_priv,Execute_priv,Create_view_priv,Show_view_priv from mysql.db order by host, db, user;", p.decodeDBTableRow)
  }
docs: // LoadDBTable loads the mysql.db table from database.