[jira] [Commented] (HIVE-15182) Move 'clause' rules from IdentifierParser to a different file

["Zoltan Haindrich (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-15182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735205#comment-15735205 ] 

Zoltan Haindrich commented on HIVE-15182:
-----------------------------------------

After I've started working on this it turned out, that the problem can't be addressed like this...

The reason behind these "code too large" issues are that antlr generates a bunch of things to try to prevail in "hard-to-decide which rule will match this one" situations. 

> Move 'clause' rules from IdentifierParser to a different file
> -------------------------------------------------------------
>
>                 Key: HIVE-15182
>                 URL: https://issues.apache.org/jira/browse/HIVE-15182
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>
> I'm hitting antlr / code too large errors ; and these rules belong to a different class than the other.
> Moving them to a separate file greatly reduces generated IdentifierParser size.



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