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From Edward Capriolo <>
Subject Re: hacking the hive ql parser?
Date Tue, 29 Dec 2015 20:14:02 GMT
hive --service lineage 'hql' exists i believe.

On Tue, Dec 29, 2015 at 3:05 PM, Yang <> wrote:

> I'm trying to create a utility to parse out the data lineage (i.e. DAG
> dependency graph) among all my hive scripts.
> to do this I need to parse out the input and output tables from a query.
> does this ability existing already? if not, I'm going to hack the parser.
> I am not very familiar with the parser code structure of hive, could
> anybody give me some tips on where to start?
> (I see the .g files, but not sure where is the rest ---- I am more
> familiar with the ASTvisitor paradigm in antlr, but can't find similar
> files in the parser dir)
> thanks
> Yang

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