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Posted to reviews@spark.apache.org by "Yicong-Huang (via GitHub)" <gi...@apache.org> on 2026/04/02 21:15:44 UTC
[PR] [SPARK-55579][PYTHON][4.0] Rename PySpark error classes to be eval-type-agnostic [spark]
Yicong-Huang opened a new pull request, #55169:
URL: https://github.com/apache/spark/pull/55169
### What changes were proposed in this pull request?
Backport of #54996 to branch-4.0.
Rename six PySpark error conditions to be generic and not tied to specific UDF eval types:
| Old Name | New Name |
|---|---|
| `PANDAS_UDF_OUTPUT_EXCEEDS_INPUT_ROWS` | `OUTPUT_EXCEEDS_INPUT_ROWS` |
| `RESULT_LENGTH_MISMATCH_FOR_SCALAR_ITER_PANDAS_UDF` | `RESULT_ROWS_MISMATCH` |
| `STOP_ITERATION_OCCURRED_FROM_SCALAR_ITER_PANDAS_UDF` | `INPUT_NOT_FULLY_CONSUMED` |
| `RESULT_LENGTH_MISMATCH_FOR_PANDAS_UDF` | `RESULT_COLUMN_SCHEMA_MISMATCH` |
| `RESULT_COLUMNS_MISMATCH_FOR_PANDAS_UDF` | `RESULT_COLUMN_NAMES_MISMATCH` |
| `RESULT_COLUMNS_MISMATCH_FOR_ARROW_UDF` | `RESULT_COLUMN_NAMES_MISMATCH` (merged) |
Also updated error messages to not reference specific eval types or data structures (e.g., "pandas.DataFrame", "pyarrow.Table" -> "data").
### Why are the changes needed?
These error conditions were originally created for Pandas UDFs, but are now shared by Arrow UDFs as well. The names and messages should be generic so they can be reused across different eval types without confusion.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Existing tests updated to match new error class names and messages.
### Was this patch authored or co-authored using generative AI tooling?
No.
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Re: [PR] [SPARK-55579][PYTHON][4.0] Rename PySpark error classes to be eval-type-agnostic [spark]
Posted by "zhengruifeng (via GitHub)" <gi...@apache.org>.
zhengruifeng closed pull request #55169: [SPARK-55579][PYTHON][4.0] Rename PySpark error classes to be eval-type-agnostic
URL: https://github.com/apache/spark/pull/55169
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Re: [PR] [SPARK-55579][PYTHON][4.0] Rename PySpark error classes to be eval-type-agnostic [spark]
Posted by "zhengruifeng (via GitHub)" <gi...@apache.org>.
zhengruifeng commented on PR #55169:
URL: https://github.com/apache/spark/pull/55169#issuecomment-4182254170
merged to 4.0
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