Re: [HACKERS] varlena beyond 1GB and matrix - Mailing list pgsql-hackers

From Kohei KaiGai
Subject Re: [HACKERS] varlena beyond 1GB and matrix
Date
Msg-id CADyhKSUg-db27uNOoMXEiyWQpkcwZb1x19h2hB_RND=_=Y4rZQ@mail.gmail.com
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In response to Re: [HACKERS] varlena beyond 1GB and matrix  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
2016-12-23 8:24 GMT+09:00 Robert Haas <robertmhaas@gmail.com>:
> On Wed, Dec 7, 2016 at 11:01 PM, Kohei KaiGai <kaigai@kaigai.gr.jp> wrote:
>> Regardless of the ExpandedObject, does the flatten format need to
>> contain fully flatten data chunks?
>
> I suspect it does, and I think that's why this isn't going to get very
> far without a super-varlena format.
>
Yep, I'm now under investigation how to implement with typlen == -3
approach. Likely, it will be the most straight-forward infrastructure for
other potential use cases more than matrix/vector.

Thanks,
-- 
KaiGai Kohei <kaigai@kaigai.gr.jp>



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