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@xxxxxxxxxxxx