chaoqin-li1123 commented on code in PR #43393:
URL: https://github.com/apache/spark/pull/43393#discussion_r1362899909
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/IncrementalExecution.scala:
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@@ -177,6 +183,20 @@ class IncrementalExecution(
}
}
+ object WriteStatefulOperatorMetadataRule extends SparkPlanPartialRule {
+ override val rule: PartialFunction[SparkPlan, SparkPlan] = {
+ case stateStoreWriter: StateStoreWriter =>
+ if (isFirstBatch) {
+ val metadata = stateStoreWriter.operatorStateMetadata()
+ val metadataWriter = new OperatorStateMetadataWriter(new Path(
+ checkpointLocation,
stateStoreWriter.getStateInfo.operatorId.toString), hadoopConf)
+ metadataWriter.write(metadata)
+ }
+ stateStoreWriter
+ case plan: SparkPlan => plan
Review Comment:
Thanks for reminding, we can simplify the code a lot.
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