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https://issues.apache.org/jira/browse/FLINK-7475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310729#comment-16310729
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ASF GitHub Bot commented on FLINK-7475:
---------------------------------------
Github user bowenli86 commented on a diff in the pull request:
https://github.com/apache/flink/pull/4963#discussion_r159582105
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/DefaultOperatorStateBackend.java
---
@@ -497,6 +497,15 @@ public String toString() {
return partitionOffsets;
}
+
+ @Override
+ public void update(List<S> values) throws Exception {
+ internalList.clear();
+
+ if (values != null && !values.isEmpty()) {
--- End diff --
it makes a difference as we chatted about empty list case
> support update() in ListState
> -----------------------------
>
> Key: FLINK-7475
> URL: https://issues.apache.org/jira/browse/FLINK-7475
> Project: Flink
> Issue Type: Improvement
> Components: Core, DataStream API, State Backends, Checkpointing
> Affects Versions: 1.4.0
> Reporter: yf
> Assignee: Bowen Li
> Fix For: 1.5.0
>
>
> If I want to update the list.
> I have to do two steps:
> listState.clear()
> for (Element e : myList) {
> listState.add(e);
> }
> Why not I update the state by:
> listState.update(myList) ?
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