viirya commented on code in PR #52747:
URL: https://github.com/apache/spark/pull/52747#discussion_r2484035269
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sql/core/src/main/scala/org/apache/spark/sql/execution/arrow/ArrowConverters.scala:
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@@ -92,9 +94,14 @@ private[sql] object ArrowConverters extends Logging {
ArrowUtils.rootAllocator.newChildAllocator(
s"to${this.getClass.getSimpleName}", 0, Long.MaxValue)
- private val root = VectorSchemaRoot.create(arrowSchema, allocator)
- protected val unloader = new VectorUnloader(root)
- protected val arrowWriter = ArrowWriter.create(root)
+ protected val root = VectorSchemaRoot.create(arrowSchema, allocator)
+
+ val factory = CompressionCodec.Factory.INSTANCE
+ val codecType = new ZstdCompressionCodec().getCodecType()
Review Comment:
I will make this configurable.
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