Github user KurtYoung commented on a diff in the pull request:
https://github.com/apache/flink/pull/3277#discussion_r100807305
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/BatchTableEnvironment.scala
---
@@ -170,7 +171,7 @@ abstract class BatchTableEnvironment(
private[flink] def explain(table: Table, extended: Boolean): String = {
val ast = table.getRelNode
val optimizedPlan = optimize(ast)
- val dataSet = translate[Row](optimizedPlan)
(TypeExtractor.createTypeInfo(classOf[Row]))
+ val dataSet = translate[Row](optimizedPlan, ast.getRowType) (new
RowTypeInfo())
--- End diff --
Ok, make sense to me.
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