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From Mohit Gupta <>
Subject Re: How to see the intermediate results between AST and optimized logical query plan.
Date Tue, 06 Dec 2011 20:03:00 GMT
I am trying to understand the output of hive Explain command. I found the
documentation provided ( )
to be of little help. Is there any other place where I can find the
detailed documentation on this?

Hiroyuki, were you able to find any detailed docs on this? Or any other


On Wed, Oct 19, 2011 at 6:24 PM, Hiroyuki Yamada <> wrote:

> Hello,
> I have been trying to learn the Hive query compiler and
> I am wondering if there is a way to see the result of semantic
> analysis (query block tree)
> and non-optimized logical query plan.
> I know we can get AST and optimized logical query plan with "explain",
> but I want to know the intermediate results between them.
> Also, is there any detailed documentations about Hive query compiler ?
> I would be very appreciated if anyone answered my questions.
> Thanks,
> Hiroyuki

Best Regards,

Mohit Gupta
Software Engineer at Vdopia Inc.

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