Re: Calculating the age of a person - Mailing list 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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