Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6638#discussion_r31790437
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala ---
@@ -910,7 +911,7 @@
https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation%2C+Cube%2C
val schema = HiveScriptIOSchema(
inRowFormat, outRowFormat,
inSerdeClass, outSerdeClass,
- inSerdeProps, outSerdeProps, schemaLess)
+ inSerdeProps, outSerdeProps, schemaLess,
hiveConf.getVar(ConfVars.HIVESCRIPTSERDE))
--- End diff --
Or we should replace the output / input serde if it's not specified, but
not by adding new field.
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