Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/8799#discussion_r39792429
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/orc/OrcFilters.scala ---
@@ -32,10 +32,10 @@ import org.apache.spark.sql.sources._
*/
private[orc] object OrcFilters extends Logging {
def createFilter(expr: Array[Filter]): Option[SearchArgument] = {
- expr.reduceOption(And).flatMap { conjunction =>
- val builder = SearchArgumentFactory.newBuilder()
- buildSearchArgument(conjunction, builder).map(_.build())
- }
+ for {
+ conjunction <- expr.reduceOption(And)
+ builder <- buildSearchArgument(conjunction,
SearchArgumentFactory.newBuilder())
+ } yield builder.build()
--- End diff --
This change is only for better readability
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