grundprinzip commented on code in PR #40827:
URL: https://github.com/apache/spark/pull/40827#discussion_r1180756913
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/SparkSession.scala:
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@@ -119,12 +119,23 @@ class SparkSession private[sql] (
private def createDataset[T](encoder: AgnosticEncoder[T], data:
Iterator[T]): Dataset[T] = {
newDataset(encoder) { builder =>
- val localRelationBuilder = builder.getLocalRelationBuilder
- .setSchema(encoder.schema.json)
if (data.nonEmpty) {
val timeZoneId = conf.get("spark.sql.session.timeZone")
- val arrowData = ConvertToArrow(encoder, data, timeZoneId, allocator)
- localRelationBuilder.setData(arrowData)
+ val (arrowData, arrowDataSize) = ConvertToArrow(encoder, data,
timeZoneId, allocator)
+ if (arrowDataSize <=
conf.get(SQLConf.LOCAL_RELATION_CACHE_THRESHOLD.key).toInt) {
Review Comment:
It's kind of weird that we're using an internal API for the client side
confs.
Ideally we leverage the existing stub configs in
`connector/connect/common/src/main/scala/org/apache/spark/sql/connect/common/config/ConnectCommon.scala`
for now?
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