Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19604#discussion_r147604947
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
---
@@ -440,8 +440,9 @@ object JdbcUtils extends Logging {
case StringType =>
(array: Object) =>
- array.asInstanceOf[Array[java.lang.String]]
- .map(UTF8String.fromString)
+ // some underling types are not String such as uuid, inet,
cidr, etc.
--- End diff --
underlying?
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