| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Anastasia Lubennikova <lubennikovaav(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: GSoC proposal. Index-only scans for GIST |
| Date: | 2014-03-18 15:07:17 |
| Message-ID: | 9269.1395155237@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> Tom Lane previously proposed extending SP-GiST to support index-only
> scans. You might find that discussing worth reading, or perhaps
> consider it as an alternative if GiST doesn't work out:
> http://www.postgresql.org/message-id/10839.1323885644@sss.pgh.pa.us
That wasn't just a proposal, see commits
3695a555136a6d179cac8ae48d5f90171d5b30e9 and
92203624934095163f8b57b5b3d7bbd2645da2c8. But yeah, that might be a
useful reference for what is likely to be involved with making GIST
do it.
regards, tom lane
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