Re: String concatenation operator which keeps trailing spaces in CHAR(n) columns

Andrus wrote:
>> Use "bpchar" instead of "text" in the definition of function and operator.
>> Otherwise col1 gets cast to "text" and loses its trailing spaces.
>
> Thank you very much.
> It worked.
> Which notation to use for this ?
>
> Is it reasonable use "+" as such operator for strings or should some other
> notation used ?

The traditional concatenation operator name is ||, but I believe that it is
confusing to overwrite builtin operators.

You could use a name that does not show up in
SELECT DISTINCT oprname FROM pg_operator;

Yours,
Laurenz Albe