rdblue commented on code in PR #6141:
URL: https://github.com/apache/iceberg/pull/6141#discussion_r1022102882
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python/pyiceberg/expressions/literals.py:
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@@ -309,19 +336,19 @@ def __init__(self, value: float):
super().__init__(value, float)
@singledispatchmethod
- def to(self, type_var):
- return None
+ def to(self, type_var: IcebergType) -> Literal:
+ raise TypeError(f"Cannot convert DoubleLiteral into {type_var}")
@to.register(DoubleType)
- def _(self, type_var: DoubleType) -> Literal[float]:
+ def _(self, _: DoubleType) -> Literal[float]:
return self
@to.register(FloatType)
- def _(self, _: FloatType) -> Union[AboveMax, BelowMin, Literal[float]]:
+ def _(self, _: FloatType) -> Union[FloatAboveMax, FloatBelowMin,
FloatLiteral]:
Review Comment:
This can return `Literal[float]` now, right?
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