| From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
|---|---|
| To: | Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru> |
| Cc: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, David Steele <david(at)pgmasters(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] kNN for btree |
| Date: | 2018-11-29 15:24:43 |
| Message-ID: | CA+q6zcW0QW4r+KH3TPwXE8ndSHKwvZ6Lh_aX5njizLv55vdnGw@mail.gmail.com |
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| Lists: | pgsql-hackers |
> On Wed, Sep 26, 2018 at 5:41 PM Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru> wrote:
>
> Attached 3rd version of the patches rebased onto the current master.
>
> Changes from the previous version:
> - Added support of INCLUDE columns to get_index_column_opclass() (1st patch).
> - Added parallel kNN scan support.
> - amcanorderbyop() was transformed into ammatchorderby() which takes a List of
> PathKeys and checks each of them with new function match_orderbyop_pathkey()
> extracted from match_pathkeys_to_index(). I think that this design can be
> used in the future to support a mix of ordinary and order-by-op PathKeys,
> but I am not sure.
Hi,
Unfortunately, the patch has some conflicts, could you rebase it? In the
meantime I'll move it to the next CF, hoping to have more reviewers for this
item.
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