Github user zjffdu commented on a diff in the pull request:
https://github.com/apache/spark/pull/9657#discussion_r51227333
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala ---
@@ -130,6 +131,16 @@ final class DataFrameWriter private[sql](df:
DataFrame) {
}
/**
+ * Specify the compression codec when saving it on hdfs
+ *
+ * @since 1.7.0
+ */
+ def compress(codec: Class[_ <: CompressionCodec]): DataFrameWriter = {
+ this.extraOptions += ("compression.codec" -> codec.getCanonicalName)
--- End diff --
Agree that we should not add interface for every configuration, but
considering compression is a very common property, I feel it would be better to
keep this interface. We also expose the compression api in RDD.saveAsXX, so
think it would be better to be consistent here in dataframe
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