dramaticlly commented on a change in pull request #4436:
URL: https://github.com/apache/iceberg/pull/4436#discussion_r839019341
##########
File path: python/src/iceberg/expression/literals.py
##########
@@ -200,78 +205,52 @@ def _(self, type_var):
return self
-class IntegerLiteral(Literal[int]):
- @singledispatchmethod
- def to(self, type_var):
- return None
-
- @to.register(IntegerType)
- def _(self, type_var: IntegerType) -> "IntegerLiteral":
- return self
-
- @to.register(LongType)
- def _(self, type_var: LongType) -> "LongLiteral":
- return LongLiteral(self.value)
-
- @to.register(FloatType)
- def _(self, type_var: FloatType) -> "FloatLiteral":
- return FloatLiteral(float(self.value))
-
- @to.register(DoubleType)
- def _(self, type_var: DoubleType) -> "DoubleLiteral":
- return DoubleLiteral(self.value)
-
- @to.register(DateType)
- def _(self, type_var: DateType) -> "DateLiteral":
- return DateLiteral(self.value)
-
- @to.register(DecimalType)
- def _(self, type_var: DecimalType) -> "DecimalLiteral":
- if type_var.scale == 0:
- return DecimalLiteral(Decimal(self.value))
- else:
- return DecimalLiteral(Decimal(self.value).quantize(Decimal((0,
(1,), -type_var.scale)), rounding=ROUND_HALF_UP))
-
-
class LongLiteral(Literal[int]):
@singledispatchmethod
def to(self, type_var):
return None
@to.register(LongType)
- def _(self, type_var: LongType) -> "LongLiteral":
+ def _(self, type_var: LongType) -> Literal[int]:
return self
@to.register(IntegerType)
- def _(self, type_var: IntegerType) -> Union[AboveMax, BelowMin,
IntegerLiteral]:
+ def _(self, type_var: IntegerType) -> Union[AboveMax, BelowMin,
Literal[int]]:
if IntegerType.max < self.value:
return AboveMax()
elif IntegerType.min > self.value:
return BelowMin()
- return IntegerLiteral(self.value)
+ return self
@to.register(FloatType)
- def _(self, type_var: FloatType) -> "FloatLiteral":
+ def _(self, type_var: FloatType) -> Literal[float]:
return FloatLiteral(float(self.value))
@to.register(DoubleType)
- def _(self, type_var: DoubleType) -> "DoubleLiteral":
- return DoubleLiteral(self.value)
+ def _(self, type_var: DoubleType) -> Literal[float]:
+ return DoubleLiteral(float(self.value))
Review comment:
oh gotcha, this is about what you suggested [earlier on what's
missing](https://github.com/apache/iceberg/pull/4262#discussion_r837642495),
right? Thank you!
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