Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/11464#discussion_r54843475
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRelation.scala
---
@@ -148,6 +148,19 @@ private[sql] class ParquetRelation(
.get(ParquetRelation.METASTORE_SCHEMA)
.map(DataType.fromJson(_).asInstanceOf[StructType])
+ private val compressionCodec: Option[String] = parameters
+ .get("compression")
+ .map { codecName =>
+ // Validate if given compression codec is supported or not.
+ val shortParquetCompressionCodecNames =
ParquetRelation.shortParquetCompressionCodecNames
+ if
(!shortParquetCompressionCodecNames.contains(codecName.toLowerCase)) {
+ val availableCodecs =
shortParquetCompressionCodecNames.keys.map(_.toLowerCase)
+ throw new IllegalArgumentException(s"Codec [$codecName] " +
+ s"is not available. Available codecs are
${availableCodecs.mkString(", ")}.")
+ }
--- End diff --
Ops. This indentation is weird.
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