From: | "tjk(at)tksoft(dot)com" <tjk(at)tksoft(dot)com> |
---|---|
To: | hs(at)cybertec(dot)at (=?iso-8859-1?Q?Hans=2DJ=FCrgen=20Sch=F6nig?=) |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Calculating the age of a person |
Date: | 2001-05-18 15:53:29 |
Message-ID: | 200105181553.IAA13471@smtp3.tksoft.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
You are probably looking for date_part().
E.g.
SELECT date_part('year',age(birth)),* FROM persons LIMIT 1;
Troy
>
> I have a table containing the birthdays of various persons. The target
> is to compute the age of a persons.
>
> persons=# SELECT age(birth), * FROM persons LIMIT 1;
> age | id | name | birth | gender |
> income
> -------------------------------+----+--------+------------+--------+--------
>
> 31 years 4 mons 16 days 23:00 | 1 | Albert | 1970-01-01 | m |
> 35000
> (1 row)
>
> When I use age() I don't get full years. Is there an easy way to round
> ::reltime off or up without writing a function. Is there any possibility
> to use plain SQL only?
>
> Hans
>
>
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