Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/14155#discussion_r73622711 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/internal/HiveSerDe.scala --- @@ -42,8 +41,7 @@ object HiveSerDe { HiveSerDe( inputFormat = Option("org.apache.hadoop.hive.ql.io.RCFileInputFormat"), outputFormat = Option("org.apache.hadoop.hive.ql.io.RCFileOutputFormat"), - serde = Option(conf.getConfString("hive.default.rcfile.serde", - "org.apache.hadoop.hive.serde2.columnar.LazyBinaryColumnarSerDe"))), + serde = Option("org.apache.hadoop.hive.serde2.columnar.LazyBinaryColumnarSerDe")), --- End diff -- I think as long as we can read RCFile data serialized with LazySimpleColumnarSerDe. We are good. When creating a new RCFile, I think the binary serde needs to be used. Btw, we need to a release note to mention this change.
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