Github user Aegeaner commented on a diff in the pull request: https://github.com/apache/flink/pull/5065#discussion_r155741244 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/TableEnvironment.scala --- @@ -411,6 +411,7 @@ abstract class TableEnvironment(val config: TableConfig) { } checkValidTableName(name) + checkValidTableType(table) --- End diff -- `org.apache.flink.table.api.TableEnvironment#validateType` is not only used to validate output types, but also used for all validating type information case, e.g. `BatchTableEnvironment#translate` for explain statement.
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