Yuchen Liu created SPARK-48589:
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Summary: Add option snapshotStartBatchId and snapshotPartitionId
to state data source
Key: SPARK-48589
URL: https://issues.apache.org/jira/browse/SPARK-48589
Project: Spark
Issue Type: New Feature
Components: Structured Streaming
Affects Versions: 4.0.0
Reporter: Yuchen Liu
Define two new options, _snapshotStartBatchId_ and _snapshotPartitionId_, for
the existing state reader. Both of them should be provided at the same time.
# When there is no snapshot file at that batch (note there is an off-by-one
issue between version and batch Id), throw an exception.
# Otherwise, the reader should continue to rebuild the state by reading delta
files only, and ignore all snapshot files afterwards.
# Note that if a batchId option is already specified. That batchId is the
ending batchId, we should then end at that batchId.
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