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https://issues.apache.org/jira/browse/FLINK-6094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121691#comment-16121691
]
ASF GitHub Bot commented on FLINK-6094:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/4471#discussion_r132234963
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/util/UpdatingPlanChecker.scala
---
@@ -90,40 +96,86 @@ object UpdatingPlanChecker {
// resolve names of input fields
.map(io => (inNames.get(io._1), io._2))
- // filter by input keys
- val outKeys = inOutNames.filter(io =>
keys.get.contains(io._1)).map(_._2)
- // check if all keys have been preserved
- if (outKeys.nonEmpty && outKeys.length == keys.get.length) {
+ // filter by input keyAncestors
+ val outKeyAncesters = inOutNames
+ .filter(io => keyAncestors.get.map(e =>
e._1).contains(io._1))
+ .map(io => (io._2, keyAncestors.get.find(ka => ka._1 ==
io._1).get._2))
+
+ // check if all keyAncestors have been preserved
+ if (outKeyAncesters.nonEmpty &&
+ outKeyAncesters.map(ka => ka._2).distinct.length ==
--- End diff --
`map(ka => ka._2)` -> `map(_._2)`
> Implement stream-stream proctime non-window inner join
> -------------------------------------------------------
>
> Key: FLINK-6094
> URL: https://issues.apache.org/jira/browse/FLINK-6094
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Hequn Cheng
>
> This includes:
> 1.Implement stream-stream proctime non-window inner join
> 2.Implement the retract process logic for join
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