impl.py 文件源码

def _integer_compare(t1, t2):
    t1_small_or_big = (
        'S' if isinstance(t1, sqltypes.SmallInteger)
        else 'B' if isinstance(t1, sqltypes.BigInteger) else 'I'
    )
    t2_small_or_big = (
        'S' if isinstance(t2, sqltypes.SmallInteger)
        else 'B' if isinstance(t2, sqltypes.BigInteger) else 'I'
    )
    return t1_small_or_big != t2_small_or_big