[GitHub] [hive] zabetak commented on pull request #4058: HIVE-27077: Upgrade to Antlr4

["zabetak (via GitHub)" <gi...@apache.org>]

zabetak commented on PR #4058:
URL: https://github.com/apache/hive/pull/4058#issuecomment-1439866999

   @mlorek Thanks for the PR. I don't think the PR can go in as it is right now. We cannot maintain two different grammars for v3 and v4 and as it is right now the v4 proposal has zero test coverage. 
   
   Are you planning to create follow-up tasks? What's your final goal?


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