anishshri-db commented on code in PR #48401:
URL: https://github.com/apache/spark/pull/48401#discussion_r1835178324
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamingSymmetricHashJoinHelper.scala:
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@@ -303,6 +303,56 @@ object StreamingSymmetricHashJoinHelper extends Logging {
}
}
+ /**
+ * A custom RDD that allows partitions to be "zipped" together, while
ensuring the tasks'
+ * preferred location is based on which executors have the required join
state stores already
+ * loaded. This class is a variant of
[[org.apache.spark.rdd.ZippedPartitionsRDD2]] which only
+ * changes signature of `f` by taking in a map of column family schemas.
This is used for
+ * passing the column family schemas when there is initial state for the
TransformWithStateExec
+ * operator
+ */
+ class StateStoreAwareZipPartitionsRDDWithSchemas[A: ClassTag, B: ClassTag,
V: ClassTag](
Review Comment:
lets remove these ?
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