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https://issues.apache.org/jira/browse/FLINK-3137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045751#comment-15045751
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Ted Yu commented on FLINK-3137:
-------------------------------
I see.
A comment would help people who later look at this code.
> Missing break in OutputEmitter ctor
> -----------------------------------
>
> Key: FLINK-3137
> URL: https://issues.apache.org/jira/browse/FLINK-3137
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
>
> Here is related code:
> {code}
> switch (strategy) {
> case PARTITION_CUSTOM:
> extractedKeys = new Object[1];
> case FORWARD:
> case PARTITION_HASH:
> {code}
> Looks like a break is missing following assignment to extractedKeys
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