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From Yang <teddyyyy...@gmail.com>
Subject Re: hacking the hive ql parser?
Date Wed, 30 Dec 2015 05:45:24 GMT
thanks´╝ü


On Tue, Dec 29, 2015 at 12:14 PM, Edward Capriolo <edlinuxguru@gmail.com>
wrote:

> hive --service lineage 'hql' exists i believe.
>
> On Tue, Dec 29, 2015 at 3:05 PM, Yang <teddyyyy123@gmail.com> 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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