On 30/05/2023 14:45, Marc Millas wrote:
> and , now, if I want to insert that:
> Insert into t2 (a, b, c, d)
> Select distinct test1.t, 'abc' as b, NULL as c, NULL as d
> From t1 test1;
>
> I get:
> ERROR: column "d" is of type numeric but expression is of type text
> LINE 2: Select distinct test1.t, 'abc' as b, NULL as c, NULL as d
>
> HINT: You will need to rewrite or cast the expression.
I'm guessing you'll need to cast the NULLs:
.... select distinct test1.t, 'abc', null::text, null::numeric ...
I don't think you need the aliases.
Ray.
>
> Can someone give a short SQL syntax hint ?
>
> thanks,
>
>
>
> Marc MILLAS
> Senior Architect
> +33607850334
> www.mokadb.com <http://www.mokadb.com>
>
--
Raymond O'Donnell // Galway // Ireland
ray@rodonnell.ie