def __init__(self, field, expr, **kwargs):
        self.type = type_api.INTEGERTYPE
        self.field = field
        self.expr = _literal_as_binds(expr, None)
Return a :class:`.Extract` construct.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/sql/elements.py/Extract.__init__