| From: | Andreas Karlsson <andreas(at)proxel(dot)se> |
|---|---|
| To: | Mark Rofail <markm(dot)rofail(at)gmail(dot)com> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, David Steele <david(at)pgmasters(dot)net>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers-owner(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hans-Jürgen Schönig <hs(at)cybertec(dot)at> |
| Subject: | Re: [HACKERS] GSoC 2017: Foreign Key Arrays |
| Date: | 2017-11-27 01:47:19 |
| Message-ID: | 4943700c-fe86-1044-ee0d-069c8a134f6c@proxel.se |
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| Lists: | pgsql-hackers |
On 11/13/2017 12:32 PM, Mark Rofail wrote:
> == The @>> operator
> I would argue that allocating an array of datums and building an
> array would have the same complexity
>
>
> I am not sure what you mean here. Just because something has the
> same complexity does not mean there can't be major performance
> differences.
>
> I have spend a lot of time working on this operator and would like to
> benefit from it. How should I go about this ? Start a new patch ?
I am still not sure what you mean here. Feel free to add @>> to this
patch if you like. You may want to submit it as two patch files (but
please keep them as the same commitfest entry) but I leave that decision
all up to you.
> So the two main issues we remain to resolve are MATCH FULL and the
> RI_Initial_Check() query refactoring. The problem is that I am not one
> of the original authors and have not touched this part of the code.
> I understand the problem but it will take some time for me to understand
> how to resolve everything.
Cool, feel free to ask if you need some assistance. I want this patch.
Andreas
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