Re: problem with overloading the "coalesce" function

--- Richard Huxton <dev@archonet.com> wrote:

> Emil Rachovsky wrote:
> >
> >  Hi,
> > I am trying to overload the "coalesce" function to
> > accept an integer and a string. Here it is :
> >
> > CREATE OR REPLACE FUNCTION "coalesce"(a int4, b
> > "varchar")
> >   RETURNS "varchar" AS
> ...
> > I have added it to pg_catalog, but still I cant't
> use
> > it, I get an error on the second parameter
>
> What is the error?

The error is :  invalid input syntax for integer
That is,it expects an integer as a second parameter,
since the first is an integer.


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