AngersZhuuuu commented on a change in pull request #29421:
URL: https://github.com/apache/spark/pull/29421#discussion_r473826551
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveScriptTransformationSuite.scala
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@@ -182,7 +182,11 @@ class HiveScriptTransformationSuite extends
BaseScriptTransformationSuite with T
identity,
df.select(
'a.cast("string").as("key"),
- 'b.cast("string").as("value")).collect())
+ concat_ws("\t",
+ 'b.cast("string"),
+ 'c.cast("string"),
+ 'd.cast("string"),
+ 'e.cast("string")).as("value")).collect())
Review comment:
> What happens if a single column given with hive serde in this case?
https://github.com/apache/spark/pull/29414/files#diff-01228f8ade90c259db2dfdf31ea8a5d1R61-R63
See https://github.com/apache/spark/pull/29421#issuecomment-677495619
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