Github user lw-lin commented on a diff in the pull request:
https://github.com/apache/spark/pull/13575#discussion_r66466310
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVRelation.scala
---
@@ -143,39 +146,99 @@ object CSVRelation extends Logging {
if (nonEmptyLines.hasNext) nonEmptyLines.drop(1)
}
}
+
+ /**
+ * Setup writing configurations into the given [[Configuration]], and
then return the
+ * wrapped [[CSVOptions]].
+ * Both continuous-queries writing process and non-continuous-queries
writing process will
+ * call this function.
+ */
+ private[csv] def prepareConfForWriting(
+ conf: Configuration,
+ options: Map[String, String]): CSVOptions = {
+ val csvOptions = new CSVOptions(options)
+ csvOptions.compressionCodec.foreach { codec =>
+ CompressionCodecs.setCodecConfiguration(conf, codec)
+ }
+ csvOptions
+ }
--- End diff --
These mostly are moved from `CSVFileFormat.prepareWrite()` to here
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