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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