Volkan YAZICI <yazicivo@ttnet.net.tr> writes:
> I was using OidInputFunctionCall() to cast a basic type into a domain
> type.
> Is this the right way to use domain_in() function?
If you're doing it more than about once per SQL command, you should find
a place to cache the fmgr lookup info and use InputFunctionCall instead.
Look at the standard PLs for examples.
regards, tom lane