Try:
SELECT SUM(int4(total_hours)) AS hours FROM my_table WHERE flag='$flag';
JLL
Peter Atkins wrote:
>
> All,
>
> I have a column "total_hours | character varying(5) " and I am unable to
> perform the aggrigate function SUM() because of the column type.
> Without changing the type is there a way to convert the datatype by using
> CAST(), to_char() or something simular? So that I may calculate the SUM().
>
> SELECT SUM(total_hours) AS hours FROM my_table WHERE flag='$flag';
>
> Thanks!
> -p
>
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