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https://issues.apache.org/jira/browse/METRON-980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044516#comment-16044516
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ASF GitHub Bot commented on METRON-980:
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Github user justinleet commented on the issue:
https://github.com/apache/metron/pull/606
Thanks for submitting this, and thanks for the responses to the notes. I'm
+1.
> Short circuit operations for Stellar
> ------------------------------------
>
> Key: METRON-980
> URL: https://issues.apache.org/jira/browse/METRON-980
> Project: Metron
> Issue Type: Improvement
> Reporter: Casey Stella
> Assignee: Casey Stella
>
> Stellar does not currently contain short circuit operations. In most
> languages, this is an important optimization, but for Stellar on Metron, this
> is a requirement due to the fact that some variables may be null legitimately
> and we cannot create multi-line conditionals or temporary variables at the
> moment.
> The short circuit operations supported:
> * short circuited `or` (e.g. true or FUNC(...) would never execute FUNC)
> * short circuited `and` (e.g. false and FUNC(...) would never execute FUNC)
> * short circuited if/then/else (e.g. if true then FUNC(...) else FUNC2(...)
> will never call FUNC2)
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