Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3546#discussion_r113740954
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/TableEnvironment.scala
---
@@ -498,6 +505,10 @@ abstract class TableEnvironment(val config:
TableConfig) {
TableEnvironment.validateType(inputType)
--- End diff --
The `validateType()` method is also used to check the output type, i.e.,
the type of a DataSet or DataStream which is created from a Table. I think we
should allow `GenericType<Row>` in that case.
Hence, I would keep the `validateType()` method as it is.
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