Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/360#discussion_r11932798
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala
---
@@ -153,9 +153,15 @@ case class InsertIntoParquetTable(
val job = new Job(sc.hadoopConfiguration)
- ParquetOutputFormat.setWriteSupportClass(
- job,
- classOf[org.apache.spark.sql.parquet.RowWriteSupport])
+ val writeSupport =
+ if (child.output.map(_.dataType).forall(_.isPrimitive())) {
+ logger.info("Initializing MutableRowWriteSupport")
--- End diff --
Probably should not be info. Also, why do all the data types have to be
primitive for us to use mutable rows?
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