From: | Patrik Kudo <kudo(at)partitur(dot)se> |
---|---|
To: | Gary Stainburn <gary(dot)stainburn(at)ringways(dot)co(dot)uk> |
Cc: | pgsql-sql <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Fixing faulty dates - select on day part of a date field |
Date: | 2001-11-29 12:13:24 |
Message-ID: | 20011129131110.D86979-100000@tb303.partitur.se |
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Thread: | |
Lists: | pgsql-sql |
Hi
1. You could use date_part(). Try these things
select date_part('day', now());
select date_part('month', now());
select date_part('year', now());
2. Yeah, should be able to do it in one update
Regards,
Patrik Kudo
On Thu, 29 Nov 2001, Gary Stainburn wrote:
> Hi all,
>
> I've got a problem with dates on one of my tables. I've been inserting dates
> in the format 'dd/mm/ccyy' which for the days 13-31 for each month worked
> fine.
>
> The problem I have is that for the days 01-12 for each month, the date was
> interpretted as 'mm/dd/ccyy'. Now I know about it I need to fix it.
>
> Two questions.
>
> 1) how can I select on part of a date? I need to select all records where
> the day is not > 12.
> 2) can I do this in a single update, i.e. can I do something around
>
> update calls set xdate = ???? where ??????;
>
> --
> Gary Stainburn
>
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