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https://issues.apache.org/jira/browse/METRON-1090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16330717#comment-16330717
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ASF GitHub Bot commented on METRON-1090:
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Github user cestella commented on the issue:
https://github.com/apache/metron/pull/687
Hmm, so this is an interesting one. We sorta have a de facto assignment
outside of stellar, but I'd be interested in having it moved into stellar like
this. I'd also be sorta ok with it being `=`, but we chose `:=` earlier, so
that is an open question as to whether it should be consistent.
Also, it seems like processing a stellar statement should return 2 things
now:
1. the output value
2. optionally a variable assigned
We should also refactor the `StellarAssignment` class to use this somehow.
Other than that, this seems extremely promising!
> STELLAR Add Assignment capability to Stellar language
> -----------------------------------------------------
>
> Key: METRON-1090
> URL: https://issues.apache.org/jira/browse/METRON-1090
> Project: Metron
> Issue Type: New Feature
> Reporter: Otto Fowler
> Assignee: Otto Fowler
> Priority: Major
>
> Add support for =, +=, -=, *=, /= for variables in stellar.
> foo = 5 returns 5 AND sets foo to 5 if the VariableResolver supports it.
> The shell should be changed to assign variables using this syntax, because
> exposing the left side to stellar allows catching errors for invalid keywords
> in left side.
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