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Posted to reviews@spark.apache.org by "HyukjinKwon (via GitHub)" <gi...@apache.org> on 2026/03/11 03:30:08 UTC
[PR] [SPARK-55957][SQL] Add 'DATA_SOURCE_NOT_FOUND' in Catalog.ERROR_HANDLING_RULES [spark]
HyukjinKwon opened a new pull request, #54750:
URL: https://github.com/apache/spark/pull/54750
### What changes were proposed in this pull request?
Add `"DATA_SOURCE_NOT_FOUND" -> ReturnPartialResults` to `ListTable.ERROR_HANDLING_RULES` in the classic Catalog so that `listTables()` returns partial results when some tables fail with DATA_SOURCE_NOT_FOUND instead of failing the entire call.
### Why are the changes needed?
When a table in the session catalog has an invalid or missing provider (e.g. class not on classpath), resolving it throws `DATA_SOURCE_NOT_FOUND`. Without this rule, `listTables()` would fail entirely; with it, other tables are still returned and the bad one is included as a placeholder (partial result).
### Does this PR introduce _any_ user-facing change?
Yes. `spark.catalog.listTables()` (and overloads) no longer throw when one table has a missing data source; they return partial results.
### How was this patch tested?
New test in `CatalogSuite`: `listTables returns partial results when one table has DATA_SOURCE_NOT_FOUND`.
### Was this patch authored or co-authored using generative AI tooling?
No.
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Re: [PR] [SPARK-55957][SQL] Add 'DATA_SOURCE_NOT_FOUND' in Catalog.ERROR_HANDLING_RULES [spark]
Posted by "HyukjinKwon (via GitHub)" <gi...@apache.org>.
HyukjinKwon commented on PR #54750:
URL: https://github.com/apache/spark/pull/54750#issuecomment-4036591222
Merged to master.
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Re: [PR] [SPARK-55957][SQL] Add 'DATA_SOURCE_NOT_FOUND' in Catalog.ERROR_HANDLING_RULES [spark]
Posted by "HyukjinKwon (via GitHub)" <gi...@apache.org>.
HyukjinKwon closed pull request #54750: [SPARK-55957][SQL] Add 'DATA_SOURCE_NOT_FOUND' in Catalog.ERROR_HANDLING_RULES
URL: https://github.com/apache/spark/pull/54750
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