JingsongLi commented on a change in pull request #8578: [FLINK-12685]
[table-planner-blink] Supports UNNEST query in blink planner
URL: https://github.com/apache/flink/pull/8578#discussion_r290565276
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/calcite/FlinkTypeFactory.scala
##########
@@ -467,6 +467,9 @@ object FlinkTypeFactory {
val mapRelDataType = relDataType.asInstanceOf[MapRelDataType]
mapRelDataType.mapType
+ // CURSOR for UDTF case, whose type info will never be used, just a
placeholder
+ case CURSOR => NothingType.INSTANCE
Review comment:
Just use a `GenericType(NothingTypeInfo)` is ok?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
