On Mon, Jan 4, 2016 at 6:14 PM, Robert Haas <[email protected]> wrote:
> On Mon, Jan 4, 2016 at 11:48 AM, Shulgin, Oleksandr
> >
> > postgres=# select pg_size_bytes('');
> > ERROR: invalid input syntax for type numeric: ""
>
> I think that's a pretty bad error message. I mean, the user is
> calling a function that takes text as an input data type. So, where's
> numeric involved?
>
Is there a way to force CONTEXT output in the reported error? I guess that
could help.
I'm also kind of wondering what the intended use case for this
> function is. Why do we want it? Do we want it?
>
As suggested above a usecase could be like the following:
SELECT relname FROM pg_class WHERE pg_relation_size(oid) >
pg_size_bytes('100 GB');
I think it's neat and useful.
--
Alex