anishshri-db commented on code in PR #50742:
URL: https://github.com/apache/spark/pull/50742#discussion_r2067623925
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStoreRDD.scala:
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@@ -82,19 +107,47 @@ class ReadStateStoreRDD[T: ClassTag, U: ClassTag](
useColumnFamilies: Boolean = false,
extraOptions: Map[String, String] = Map.empty)
extends BaseStateStoreRDD[T, U](dataRDD, checkpointLocation, queryRunId,
operatorId,
- sessionState, storeCoordinator, extraOptions) {
+ sessionState, storeCoordinator, extraOptions) with StateStoreRDDProvider {
+
+ // Using a ConcurrentHashMap to track state stores by partition ID
+ // and whether this store was used to create a write store or not.
+ @transient private lazy val partitionStores =
+ new java.util.concurrent.ConcurrentHashMap[StateStoreProviderId,
(ReadStateStore, Boolean)]()
+
+ override def getStateStoreForPartition(
+ providerId: StateStoreProviderId): Option[ReadStateStore] = {
+ val (readStore, _) = partitionStores.get(providerId)
+ partitionStores.put(providerId, (readStore, true))
+ Option(readStore)
+ }
override protected def getPartitions: Array[Partition] = dataRDD.partitions
override def compute(partition: Partition, ctxt: TaskContext): Iterator[U] =
{
val storeProviderId = getStateProviderId(partition)
+ val partitionId = partition.index
val inputIter = dataRDD.iterator(partition, ctxt)
val store = StateStore.getReadOnly(
storeProviderId, keySchema, valueSchema, keyStateEncoderSpec,
storeVersion,
- stateStoreCkptIds.map(_.apply(partition.index).head),
+ stateStoreCkptIds.map(_.apply(partitionId).head),
Review Comment:
Was this a bug before ?
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