def p_statement(p):
    """statement : select_statement
        | show_tables_statement
        | create_table_statement
        | create_database_statement
        | show_databases_statement
        | use_database_statement
        | commit_statement
        | set_statement
        | insert_statement
        | delete_statement
        | drop_database_statement
        | drop_table_statement
        | desc_table_statement
        | update_table_statement
        | wait_statement"""
    p[1].success = True
    p[0] = p[1]
