anishshri-db commented on code in PR #45467:
URL: https://github.com/apache/spark/pull/45467#discussion_r1530881452
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/TransformWithStateExec.scala:
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@@ -271,57 +340,122 @@ case class TransformWithStateExec(
case _ =>
}
- if (isStreaming) {
- child.execute().mapPartitionsWithStateStore[InternalRow](
- getStateInfo,
- schemaForKeyRow,
- schemaForValueRow,
- numColsPrefixKey = 0,
- session.sqlContext.sessionState,
- Some(session.sqlContext.streams.stateStoreCoordinator),
- useColumnFamilies = true,
- useMultipleValuesPerKey = true
- ) {
- case (store: StateStore, singleIterator: Iterator[InternalRow]) =>
- processData(store, singleIterator)
+ if (hasInitialState) {
+ if (isStreaming) {
+ val storeConf = new
StateStoreConf(session.sqlContext.sessionState.conf)
+ val hadoopConfBroadcast = sparkContext.broadcast(
+ new
SerializableConfiguration(session.sqlContext.sessionState.newHadoopConf()))
+ child.execute().stateStoreAwareZipPartitions(
+ initialState.execute(),
+ getStateInfo,
+ storeNames = Seq(),
+ session.sqlContext.streams.stateStoreCoordinator) {
+ // The state store aware zip partitions will provide us with two
iterators,
+ // child data iterator and the initial state iterator per partition.
+ case (partitionId, childDataIterator, initStateIterator) =>
+ val stateStoreId = StateStoreId(stateInfo.get.checkpointLocation,
+ stateInfo.get.operatorId, partitionId)
+ val storeProviderId = StateStoreProviderId(stateStoreId,
stateInfo.get.queryRunId)
+ val store = StateStore.get(
+ storeProviderId,
+ schemaForKeyRow,
+ schemaForValueRow,
+ 0,
Review Comment:
Lets mark this explicitly - for `numPrefixCols` ?
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