psycopg2 / psycopg2.DataError: invalid input syntax for type timestamp with time zone:

[Philip Semanchuk]

On Mar 30, 2010, at 4:47 PM, ASh wrote:

> Hi, please help me understand why am I getting error with this query
>
>
>            new_start_date = "NOW() - '29 days'::INTERVAL"
>            self.dyndb.orderdb.query('''update xxxx set creation_date
> = %s
>            where id_order = %s''', (new_start_date, "123"))
>
>
>
> ...
> psycopg2.DataError: invalid input syntax for type timestamp with time
> zone: "NOW() - '29 days'::INTERVAL"

Hi Anton,
It sounds to me like the problem is with your SQL rather than with  
psycopg2 or Python. Try the query directly in Postgres -- does it work  
there? If so, then your next step should be to ask on the psycopg2  
mailing list that Google can find for you.

Good luck
Philip