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https://issues.apache.org/jira/browse/LUCENE-5806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053992#comment-14053992
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Jack Conradson commented on LUCENE-5806:
----------------------------------------
Been a while since I've used ANTLR, but is
fragment
OBJECT
: ID (ARRAY ARRAY*)?
;
not equivalent to
fragment
OBJECT
: ID ARRAY*
;
> Extend expression grammar to allow advanced "variables"
> -------------------------------------------------------
>
> Key: LUCENE-5806
> URL: https://issues.apache.org/jira/browse/LUCENE-5806
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Ryan Ernst
> Attachments: LUCENE-5806.patch
>
>
> We currently allow dots in "variable" names in expressions, so that we can
> fake out object access. We should extend this to allow array access as well
> (both integer and string keys). This would allow faking out full object
> nesting through bindings.
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