HeartSaVioR commented on code in PR #47445:
URL: https://github.com/apache/spark/pull/47445#discussion_r1691375121
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/IncrementalExecution.scala:
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@@ -208,13 +208,16 @@ class IncrementalExecution(
}
val schemaValidationResult = statefulOp.
validateAndMaybeEvolveStateSchema(hadoopConf, currentBatchId,
stateSchemaVersion)
+ val stateSchemaPaths = schemaValidationResult.map(_.schemaPath)
// write out the state schema paths to the metadata file
statefulOp match {
- case stateStoreWriter: StateStoreWriter =>
- val metadata = stateStoreWriter.operatorStateMetadata()
- // TODO: [SPARK-48849] Populate metadata with stateSchemaPaths if
metadata version is v2
- val metadataWriter = new OperatorStateMetadataWriter(new Path(
- checkpointLocation,
stateStoreWriter.getStateInfo.operatorId.toString), hadoopConf)
+ case ssw: StateStoreWriter =>
+ val metadata = ssw.operatorStateMetadata(stateSchemaPaths)
Review Comment:
I'm a bit concerned about the number of files we are going to write in query
lifecycle, but we can defer the discussion and decision to the time we handle
purge.
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