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https://issues.apache.org/jira/browse/FLINK-20739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17327443#comment-17327443
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Flink Jira Bot commented on FLINK-20739:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Ban `if` from HiveModule
> --------------------------
>
> Key: FLINK-20739
> URL: https://issues.apache.org/jira/browse/FLINK-20739
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Hive
> Affects Versions: 1.10.0
> Reporter: jinfeng
> Priority: Major
> Labels: stale-major
>
> When using hiveModule, the if function is treated as a normal function.
> If I have a SQL like this:
>
> {code:java}
> insert into Sink select if(size(split(`test`, '-')) > 1, split(`test`,
> '-')[2], 'error') from Source {code}
>
> It will throw arrayIndexOutOfBoundsException in Flink1.10, becase
> size(split(`test`, '-')-) > 1 ， split(`test`, '')[2]， ‘error’ will be
> calculated first, and then if function will be calculated
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