CircArgs commented on code in PR #5258:
URL: https://github.com/apache/iceberg/pull/5258#discussion_r919586454
##########
python/pyiceberg/expressions/base.py:
##########
@@ -172,13 +178,33 @@ def bind(self, schema: Schema, case_sensitive: bool) ->
BoundReference[T]:
@dataclass(frozen=True) # type: ignore[misc]
class BoundPredicate(Bound[T], BooleanExpression):
term: BoundReference[T]
- literals: Tuple[Literal[T], ...]
+ literals: Union[Tuple[Literal[T], ...], Literal[T]]
+ literals_len_lb: int = field(init=False, repr=False, hash=False,
compare=False, default=1)
+ literals_len_ub: Optional[int] = field(init=False, repr=False, hash=False,
compare=False, default=1)
+
+ def __post_init__(self):
+ if not isinstance(self.literals, tuple):
+ object.__setattr__(self, "literals", (self.literals,))
+ if not (self.literals_len_lb <= len(self.literals) <=
(self.literals_len_ub or float("inf"))): # type: ignore
+ raise AttributeError(
+ f"{self.__class__} expects a number of literals between at
least {self.literals_len_lb} and at most {self.literals_len_ub or float('inf')}"
+ )
@dataclass(frozen=True) # type: ignore[misc]
class UnboundPredicate(Unbound[T, BooleanExpression], BooleanExpression):
term: Reference[T]
- literals: Tuple[Literal[T], ...]
+ literals: Union[Tuple[Literal[T], ...], Literal[T]]
+ literals_len_lb: int = field(init=False, repr=False, hash=False,
compare=False, default=1)
+ literals_len_ub: Optional[int] = field(init=False, repr=False, hash=False,
compare=False, default=1)
+
+ def __post_init__(self):
+ if not isinstance(self.literals, tuple):
+ object.__setattr__(self, "literals", (self.literals,))
+ if not (self.literals_len_lb <= len(self.literals) <=
(self.literals_len_ub or float("inf"))): # type: ignore
Review Comment:
yeah maybe I was playing too much as I tend to
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