[SPARK-54117][SS] Throw better error to indicate that TWS is only supported with RocksDB state store provider #52822
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…B state store provider
HyukjinKwon
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@fedimser |
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Thanks! Merging to master. |
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What changes were proposed in this pull request?
Change error message when user uses TransformWithState with state store provider other than RocksDB state store provider.
Why are the changes needed?
Improves user experience by making it clear that they need to use RocksDBStateStoreProvider.
Does this PR introduce any user-facing change?
Yes, changes error message when user uses TransformWithState with HDFSBackedStateStoreProvider.
Old error message:
[UNSUPPORTED_FEATURE.STATE_STORE_MULTIPLE_COLUMN_FAMILIES] The feature is not supported: Creating multiple column families with HDFSBackedStateStoreProvider is not supported.New error message:
[UNSUPPORTED_FEATURE.STORE_BACKEND_NOT_SUPPORTED_FOR_TWS] The feature is not supported: Store backend HDFSBackedStateStoreProvider is not supported by TransformWithState operator. Please use RocksDBStateStoreProvider.How was this patch tested?
Unit tests: TransformWithStateSuite, TransformWithStateValidationSuite.
Was this patch authored or co-authored using generative AI tooling?
No.