(self, sqlexpr, params)
Init the object.

        @param sqlexpr:     Partial sql fragment.
        @param params:      Dict of parameter values.
Init the object.
Init the object .
def __init__(self, sqlexpr, params):
        """Init the object.

        @param sqlexpr:     Partial sql fragment.
        @param params:      Dict of parameter values.
        """
        self._params = params
        self._arg_type_list = []
        self._arg_value_list = []
        self._sql_parts = []
        self._arg_conf = QArgConf()
        self._nargs = 0

        if sqlexpr:
            self.add(sqlexpr, required = True)
def __init__ ( self , sqlexpr , params ) : self . _params = params self . _arg_type_list = [ ] self . _arg_value_list = [ ] self . _sql_parts = [ ] self . _arg_conf = QArgConf ( ) self . _nargs = 0 if sqlexpr : self . add ( sqlexpr , required = True )