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Posted to github@arrow.apache.org by "tustvold (via GitHub)" <gi...@apache.org> on 2023/06/30 12:01:51 UTC
[GitHub] [arrow-rs] tustvold opened a new pull request, #4469: Revert ParquetError: PartialEq
tustvold opened a new pull request, #4469:
URL: https://github.com/apache/arrow-rs/pull/4469
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This was added in https://github.com/apache/arrow-rs/pull/4428, however, this omission was intentional as the semantics are not well defined for the external variant.
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[GitHub] [arrow-rs] tustvold merged pull request #4469: Revert ParquetError: PartialEq
Posted by "tustvold (via GitHub)" <gi...@apache.org>.
tustvold merged PR #4469:
URL: https://github.com/apache/arrow-rs/pull/4469
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[GitHub] [arrow-rs] tustvold commented on a diff in pull request #4469: Revert ParquetError: PartialEq
Posted by "tustvold (via GitHub)" <gi...@apache.org>.
tustvold commented on code in PR #4469:
URL: https://github.com/apache/arrow-rs/pull/4469#discussion_r1247788656
##########
parquet/src/errors.rs:
##########
@@ -44,23 +44,6 @@ pub enum ParquetError {
External(Box<dyn Error + Send + Sync>),
}
-impl PartialEq for ParquetError {
- fn eq(&self, other: &Self) -> bool {
- match (self, other) {
- (Self::General(l0), Self::General(r0)) => l0 == r0,
- (Self::NYI(l0), Self::NYI(r0)) => l0 == r0,
- (Self::EOF(l0), Self::EOF(r0)) => l0 == r0,
- #[cfg(feature = "arrow")]
- (Self::ArrowError(l0), Self::ArrowError(r0)) => l0 == r0,
- (Self::IndexOutOfBound(l0, l1), Self::IndexOutOfBound(r0, r1)) => {
- l0 == r0 && l1 == r1
- }
- (Self::External(l0), Self::External(r0)) => l0.to_string() == r0.to_string(),
Review Comment:
If people want string equality, they should explicitly format the error, however, because `Error` provides downcast machinery implementing equality in this way is simply incorrect
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