gatorsmile opened a new pull request, #57539:
URL: https://github.com/apache/spark/pull/57539
### What changes were proposed in this pull request?
Assign the name `EMPTY_COLLECTION_NOT_ALLOWED` to the legacy error condition
`_LEGACY_ERROR_TEMP_3014`. This error is a
`SparkUnsupportedOperationException`
raised by `SparkCoreErrors.emptyCollectionError`, thrown by RDD
reduce/first-style
operations on an empty RDD (`RDD.scala`). The new condition is given SQLSTATE
`0A000`; the message text ("empty collection") and its parameterless shape
are
unchanged.
### Why are the changes needed?
The error conditions
[README](https://github.com/apache/spark/blob/master/common/utils/src/main/resources/error/README.md)
disallows new `_LEGACY_ERROR_TEMP_*` entries and asks existing ones to be
assigned
proper names. This resolves one of them, under the umbrella
[SPARK-37935](https://issues.apache.org/jira/browse/SPARK-37935).
### Does this PR introduce _any_ user-facing change?
No. The `_LEGACY_ERROR_TEMP_*` names are not part of the public API. The
error
condition name changes to `EMPTY_COLLECTION_NOT_ALLOWED` and now reports
SQLSTATE
`0A000`; the underlying message text ("empty collection") is unchanged.
### How was this patch tested?
Updated the "empty RDD" test in `RDDSuite` from a `getMessage.contains`
assertion to
`checkError` on the `EMPTY_COLLECTION_NOT_ALLOWED` condition. Other RDD
tests that hit
this path assert only the exception type (`UnsupportedOperationException`),
which still
holds since `SparkUnsupportedOperationException` extends it.
`SparkThrowableSuite`
validates SQLSTATE presence and error-file formatting/sorting for the new
entry.
### Was this patch authored or co-authored using generative AI tooling?
Generated-by: Claude Code (Claude Opus 4.8)
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