[SPARK-54924][SS] State Rewriter to read state, transform it and write new state #53703
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JIRA Issue Information=== Task SPARK-54924 === This comment was automatically generated by GitHub Actions |
zifeif2
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Jan 7, 2026
...ore/src/main/scala/org/apache/spark/sql/execution/streaming/state/StatePartitionWriter.scala
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.../apache/spark/sql/execution/streaming/state/StatePartitionAllColumnFamiliesWriterSuite.scala
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anishshri-db
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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anishshri-db
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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anishshri-db
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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anishshri-db
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateRewriter.scala
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What changes were proposed in this pull request?
Introduce State Rewriter to rewrite the state stores for a stateful streaming query. Read state, transform it, then write the new state.
Why are the changes needed?
For offline state repartitioning and other future use case
Does this PR introduce any user-facing change?
No
How was this patch tested?
Updated existing tests
Was this patch authored or co-authored using generative AI tooling?
Yes, Claude-4.5-opus