Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19055#discussion_r136142935
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/orc/OrcOptions.scala ---
@@ -20,30 +20,33 @@ package org.apache.spark.sql.hive.orc
import java.util.Locale
import org.apache.spark.sql.catalyst.util.CaseInsensitiveMap
+import org.apache.spark.sql.internal.SQLConf
/**
* Options for the ORC data source.
*/
-private[orc] class OrcOptions(@transient private val parameters:
CaseInsensitiveMap[String])
+private[orc] class OrcOptions(
+ @transient private val parameters: CaseInsensitiveMap[String],
+ @transient private val sqlConf: SQLConf)
extends Serializable {
import OrcOptions._
- def this(parameters: Map[String, String]) =
this(CaseInsensitiveMap(parameters))
+ def this(parameters: Map[String, String], sqlConf: SQLConf) =
+ this(CaseInsensitiveMap(parameters), sqlConf)
/**
- * Compression codec to use. By default snappy compression.
+ * Compression codec to use.
* Acceptable values are defined in [[shortOrcCompressionCodecNames]].
*/
val compressionCodec: String = {
- // `orc.compress` is a ORC configuration. So, here we respect this as
an option but
- // `compression` has higher precedence than `orc.compress`. It means
if both are set,
- // we will use `compression`.
+ // `compression`, `orc.compress`, and
`spark.sql.orc.compression.codec` is used in order.
--- End diff --
`is used in order` -> `are in order of precedence from highest to lowest`
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