| From: | Charles Cui <charles(dot)cui1984(at)gmail(dot)com> |
|---|---|
| To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
| Cc: | Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>, Aleksandr Parfenov <a(dot)parfenov(at)postgrespro(dot)ru>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [GSoC] array processing questions |
| Date: | 2018-06-24 01:00:21 |
| Message-ID: | CA+SXE9tO5onneNsoD2RkJ97cOE1_-Ta=4+0++8aasgppCNVUoQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
thanks Andrew, will take a look.
On Sat, Jun 23, 2018, 5:44 PM Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
wrote:
> >>>>> "Charles" == Charles Cui <charles(dot)cui1984(at)gmail(dot)com> writes:
>
> Charles> Hi mentors and hackers,
> Charles> One question about array processing in postgresql. Assume
> Charles> my input is a Datum (which contains an array). Are there any
> Charles> examples to loop through the array and operates on each
> Charles> element? feel like it is not that straight-ford.
>
> See array_iter_setup and array_iter_next
>
> --
> Andrew (irc:RhodiumToad)
>
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