Re: SUM() of INTERVAL type produces INTERVAL with no precision

On 12/3/21 08:12, Sebastien Flaesch wrote:
>
> Hum....
>
> test1=> create table tab2 ( i interval hour to minute );
> CREATE TABLE
> test1=> insert into tab2 values ( interval '9999-10 555 11:22:33' );
> INSERT 0 1
> test1=> select * from tab2;
>                   i
> --------------------------------------
>  9999 years 10 mons 555 days 11:22:00
> (1 row)
>
> Expected?
>
> Qualifiers "hour to minute" seem just to be some decoration...

https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT

"... Also, field values “to the right” of the least significant field
allowed by the fields specification are silently discarded. For example,
writing INTERVAL '1 day 2:03:04' HOUR TO MINUTE results in dropping the
seconds field, but not the day field."

>
> Seb
> ------------------------------------------------------------------------

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com