Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/12873#discussion_r61993910
--- Diff: repl/scala-2.11/src/main/scala/org/apache/spark/repl/Main.scala
---
@@ -94,10 +94,10 @@ object Main extends Logging {
def createSparkSession(): SparkSession = {
if (SparkSession.hiveClassesArePresent) {
- sparkSession = SparkSession.withHiveSupport(sparkContext)
+ sparkSession = SparkSession.builder.enableHiveSupport().getOrCreate()
--- End diff --
They are not identical. The previous one will create a new spark session
anyway, but the new one may not create a new spark session if sparkContext
already exists. Then we can't guarantee the returned spark session supports
hive.
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