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HIVE-30150: Implement ETag-based freshness-aware table loading for HMS Iceberg REST Catalog - #6891
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October 18, 2026 11:54
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rebasing to resolve merge conflicts. |
…S Iceberg REST Catalog
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- Prevent servlet stack trace leakage (Sonar S1989 / CWE-209) - Reduce complexity of HMSCatalogAdapter#execute (Sonar S3776) - Add RFC 9110 weak ETag comparison (W/) in matchesETag - Add end-to-end integration test in BaseRESTCatalogTests - Add stageCreate unit test in TestHMSCatalogAdapterETag - Remove unused Route field and dead servlet methods
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What changes were proposed in this pull request?
Implemented freshness-aware table loading in HMSCatalogAdapter by computing and returning an ETag HTTP response header for table operations (CREATE_TABLE, REGISTER_TABLE, UPDATE_TABLE, LOAD_TABLE). Added RFC 9110–compliant evaluation of incoming If-None-Match headers, returning 304 Not Modified when table metadata is unchanged.
Why are the changes needed?
Does this PR introduce any user-facing change?
Yes
How was this patch tested?
Wrote Junit tests.