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Posted to reviews@spark.apache.org by "Yicong-Huang (via GitHub)" <gi...@apache.org> on 2026/01/23 20:41:10 UTC
[PR] [SPARK-54942][PYTHON][TESTS][FOLLOWUP] Add tests for pa.Array.cast of nested/container types [spark]
Yicong-Huang opened a new pull request, #53939:
URL: https://github.com/apache/spark/pull/53939
### What changes were proposed in this pull request?
Add `PyArrowNestedTypeCastTests` to test `pa.Array.cast()` for container types (`list`, `large_list`, `fixed_size_list`, `map`, `struct`) and their nested variants.
- 11 test methods, 123 test cases total
- Covers successful casts (e.g., list↔large_list, map→list<struct>)
- Covers expected failures (e.g., list→map, container→scalar)
### Why are the changes needed?
Part of [SPARK-54936](https://issues.apache.org/jira/browse/SPARK-54936) to monitor upstream PyArrow behavior changes. Detects breaking changes when upgrading PyArrow versions.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
`pytest python/pyspark/tests/upstream/pyarrow/test_pyarrow_array_cast.py::PyArrowNestedTypeCastTests -v`
### Was this patch authored or co-authored using generative AI tooling?
Yes.
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Re: [PR] [SPARK-54942][PYTHON][TESTS][FOLLOWUP] Add tests for pa.Array.cast of nested/container types [spark]
Posted by "zhengruifeng (via GitHub)" <gi...@apache.org>.
zhengruifeng commented on PR #53939:
URL: https://github.com/apache/spark/pull/53939#issuecomment-3793014896
merged to master
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Re: [PR] [SPARK-54942][PYTHON][TESTS][FOLLOWUP] Add tests for pa.Array.cast of nested/container types [spark]
Posted by "zhengruifeng (via GitHub)" <gi...@apache.org>.
zhengruifeng closed pull request #53939: [SPARK-54942][PYTHON][TESTS][FOLLOWUP] Add tests for pa.Array.cast of nested/container types
URL: https://github.com/apache/spark/pull/53939
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Re: [PR] [SPARK-54942][PYTHON][TESTS][FOLLOWUP] Add tests for pa.Array.cast of nested/container types [spark]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #53939:
URL: https://github.com/apache/spark/pull/53939#issuecomment-3792316910
## JIRA Issue Information
=== Sub-task SPARK-54942 ===
Summary: Add tests for pa.Array.cast with default arguments
Assignee: Yicong Huang
Status: Resolved
Affected: ["4.2.0"]
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