[
https://issues.apache.org/jira/browse/FLINK-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243939#comment-16243939
]
ASF GitHub Bot commented on FLINK-7922:
---------------------------------------
Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/4929
Thanks for the PR @walterddr.
I'll add the test for the Streaming API and merge it.
Thanks, Fabian
> leastRestrictive in FlinkTypeFactory does not resolve composite type correctly
> ------------------------------------------------------------------------------
>
> Key: FLINK-7922
> URL: https://issues.apache.org/jira/browse/FLINK-7922
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.4.0
> Reporter: Rong Rong
> Assignee: Rong Rong
>
> FlinkTypeFactory does not override the following function correctly:
> {code:java}
> def leastRestrictive(types: util.List[RelDataType]): RelDataType = {
> //...
> }
> {code}
> dealing with SQL such as:
> {code:sql}
> CASE
> WHEN <CONDITION> THEN
> <COMPOSITE_TYPE>
> ELSE
> NULL
> END
> {code}
> will trigger runtime exception.
> See following test sample for more details:
> https://github.com/walterddr/flink/commit/a5f2affc9bbbd50f06200f099c90597e519e9170
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
