Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/12179#discussion_r59430563
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala ---
@@ -222,7 +222,7 @@ case class CreateMetastoreDataSourceAsSelect(
val data = Dataset.ofRows(hiveContext, query)
val df = existingSchema match {
// If we are inserting into an existing table, just use the existing
schema.
- case Some(s) =>
sqlContext.internalCreateDataFrame(data.queryExecution.toRdd, s)
+ case Some(s) => data.selectExpr(s.fieldNames: _*)
--- End diff --
Fix for SPARK-14566 by using a projection instead of simply applying
existing schema to input query plan.
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