Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/18787#discussion_r135952994
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/arrow/ArrowConverters.scala
---
@@ -111,6 +125,66 @@ private[sql] object ArrowConverters {
}
/**
+ * Maps Iterator from ArrowPayload to InternalRow. Returns a pair
containing the row iterator
+ * and the schema from the first batch of Arrow data read.
+ */
+ private[sql] def fromPayloadIterator(
+ payloadIter: Iterator[ArrowPayload],
+ context: TaskContext): ArrowRowIterator = {
+ val allocator =
+ ArrowUtils.rootAllocator.newChildAllocator("fromPayloadIterator", 0,
Long.MaxValue)
+
+ new ArrowRowIterator {
+ private var reader: ArrowFileReader = null
+ private var schemaRead = StructType(Seq.empty)
+ private var rowIter = if (payloadIter.hasNext) nextBatch() else
Iterator.empty
--- End diff --
nvm, I thought the first call of `hasNext` would initialize it.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
