On Wed, Nov 24, 2021 at 01:57:06PM +0000, Shaozhong SHI wrote:
> select 'Total' as Total generate result that set Total as a column name
> with unknown type
>
> When trying to cast
> select 'Total' as Total:: text
You need to cast value, and not name.
select 'Total'::text as Total;
Best regards,
depesz