Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/4014#discussion_r23910289
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/ScriptTransformation.scala
---
@@ -25,9 +25,18 @@ import
org.apache.spark.sql.catalyst.expressions.{Attribute, Expression}
* @param input the set of expression that should be passed to the script.
* @param script the command that should be executed.
* @param output the attributes that are produced by the script.
+ * @param ioschema the input and output schema applied in the execution of
the script.
*/
case class ScriptTransformation(
input: Seq[Expression],
script: String,
output: Seq[Attribute],
- child: LogicalPlan) extends UnaryNode
+ child: LogicalPlan,
+ ioschema: Option[ScriptInputOutputSchema]) extends UnaryNode
--- End diff --
In Hive case, it is not. But I think it may be for other cases?
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