Magdalena Komorowska wrote:
> Hi,
> I hale a problem with counting interwal and I can't find what to do with
> this.
> I have two fields in the table:
> Column | Type | Modifiers
> -----------------+---------+-----------
> date_in | date |
> interwal_months | numeric |
> -----------------+---------+-----------
>
> Query
> SELECT date_in + INTERVAL '3 MONTH' FROM any_table
> works fine of course.
>
> However, how to do something like that?
> SELECT date_in + INTERVAL ' interwal_months MONTH' FROM any_table
How about this?
test=> CREATE TABLE test(x TEXT);CREATE TABLEtest=> INSERT INTO test VALUES ('3');INSERT 0 1test=> SELECT
current_timestamp+ cast(x || ' months' AS INTERVAL) FROMtest; ?column?-------------------------------
2006-03-0611:53:05.574279-05(1 row)
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