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https://issues.apache.org/jira/browse/METRON-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221176#comment-16221176
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ASF GitHub Bot commented on METRON-1254:
----------------------------------------
Github user ottobackwards commented on a diff in the pull request:
https://github.com/apache/metron/pull/801#discussion_r147257992
--- Diff:
metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4
---
@@ -249,6 +253,7 @@ identifier_operand :
| NULL #NullConst
| EXISTS LPAREN IDENTIFIER RPAREN #ExistsFunc
| LPAREN conditional_expr RPAREN #condExpr_paren
--- End diff --
Oh man, sorry, I did know that from the match work.
> Conditionals as map keys do not function in Stellar
> ---------------------------------------------------
>
> Key: METRON-1254
> URL: https://issues.apache.org/jira/browse/METRON-1254
> Project: Metron
> Issue Type: Bug
> Reporter: Casey Stella
>
> We currently cannot represent map literals in stellar where the keys are
> conditionals. For instance, the expression { x < 10 : 'info' } cannot be
> parsed currently and it should do. Having this enables a switch-style
> statement: MAP_GET(true, { x < 10 : 'info', x >= 10 : 'warn' })
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