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From Tim Armstrong <tarmstr...@cloudera.com>
Subject Re: material for impala newbie
Date Wed, 02 Aug 2017 17:11:40 GMT
There's also a wiki page with some pointers:
https://cwiki.apache.org/confluence/display/IMPALA/Codegen

On Wed, Aug 2, 2017 at 10:05 AM, Henry Robinson <henry@apache.org> wrote:

> We don't have a lot of in-depth documentation, partly because the
> implementation details change frequently.
>
> Have you read the Impala paper?
> http://cidrdb.org/cidr2015/Papers/CIDR15_Paper28.pdf
> (here's a summary:
> https://blog.acolyer.org/2015/02/05/impala-a-modern-open-
> source-sql-engine-for-hadoop/
> )
>
> There's also an old paper on code generation:
> https://pdfs.semanticscholar.org/bac4/169d6b6f713c76271b5ccf3d452933
> 51f785.pdf
>
> But the very best thing to read is the source code...
>
> On 2 August 2017 at 09:59, 俊杰陈 <cjjnjust@gmail.com> wrote:
>
> > Hi
> >
> > I’m learning impala code now, is there anyone has any impala doc/PPT for
> > computing workflow (such as order by), vectorization, and codegen?
> Thanks
> > in advanced.
> >
> > --
> > Thanks & Best Regards
> >
>

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