| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Patch: Write Amplification Reduction Method (WARM) |
| Date: | 2017-03-25 17:33:37 |
| Message-ID: | CAH2-WzmaJtiNjPRQ65ykzo6tiK8iOFKtH+AkRM5dyAu1zzheXA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Mar 25, 2017 at 12:54 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> I am not sure how do you want to binary compare two datums, if you are
> thinking datumIsEqual(), that won't work. I think you need to use
> datatype specific compare function something like what we do in
> _bt_compare().
How will that interact with types like numeric, that have display
scale or similar?
--
Peter Geoghegan
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