> Dear Friends,
>
> I am using Postgres 7.3.4 on Linux server 7.3.
>
> I wanted to update one column of my table with now() or timestamp. And I
> want that timestamp of format ------------------------
> 2003-09-19 18:39:08.13
>
> To achieve this I have used the following
>
> wats=# select now();
> now
> ------------------------------
> 2003-09-19 18:39:58.62398+00
> (1 row)
>
> wats=# select substr(now(),1,22);
> substr
> ------------------------
> 2003-09-19 18:40:01.25
> (1 row)
>
> wats=# select timestamp(substr(now(),1,22));
> ERROR: parser: parse error at or near "substr" at character 18
select substr(now(),1,22)::timestamp
or
select cast(substr(now(),1,22) as timestamp)
> Also I cant directly update my timestamp column as follows
>
>
> update "WATS".users set to_rec_modified_date = substr(now(),1,22);
>
> ERROR: column "rec_modified_date" is of type timestamp without time
> zone but expression is of type text
> You will need to rewrite or cast the expression
Use syntax above.
Regards,
Tomasz Myrta