On Wed, Sep 27, 2006 at 12:14:44PM +0300, Peter wrote:
> create table temp(a timestamptz);
>
> insert into temp(a) select NULL; /* this passes */
>
> insert into temp(a) select NULL union select NULL; /* fails:
> ERROR: column "a" is of type timestamp with time zone but expression is
> of type text
> */
Perhaps you could indicate in the subselects the type? For example:
insert into temp(a) select NULL::timestamptz union select NULL;
I think as long as the first has the right type, you're set.
BTW, UNION ALL is probably more efficient.
Have a nice day,
--
Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
