| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | JORGE MALDONADO <jorgemal1960(at)gmail(dot)com> |
| Cc: | pgsql-novice <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: Extract date portion of a datetime field |
| Date: | 2018-04-18 14:05:03 |
| Message-ID: | CAKFQuwZZyv5y7rFh3w1NJDVA5VU62OAt0o6jf_wfqwNnm32LkQ@mail.gmail.com |
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| Lists: | pgsql-novice |
On Wed, Apr 18, 2018 at 7:01 AM, JORGE MALDONADO <jorgemal1960(at)gmail(dot)com>
wrote:
> Hello,
>
> I have a table with a datetime field which saves (of course) date and time
> information. I need to design a query to count the number of records of
> each date without taking into account the time portion. I have seen that I
> can use functions like EXTRACT but I do not find how to extract the whole
> date only.
>
select ('2018-04-18T12:24:36'::timestamptz)::date
select to_char(('2018-04-18T12:24:36'::timestamptz), 'YYYY-MM-DD')
David J.
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