Re: Calculating the age of a person - Mailing list pgsql-sql

From Cedar Cox
Subject Re: Calculating the age of a person
Date
Msg-id Pine.LNX.4.21.0105201306180.17381-100000@nanu.visionforisrael.com
Whole thread Raw
In response to Re: Calculating the age of a person  ("tjk@tksoft.com" <tjk@tksoft.com>)
List pgsql-sql
Or you could use date_trunc() in the same way as date_part() if you want
an interval instead..

SELECT date_trunc('year',age(birth)),* FROM persons LIMIT 1;

On Fri, 18 May 2001, tjk@tksoft.com wrote:

> 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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