"wangsh.fnst@fujitsu.com" <wangsh.fnst@fujitsu.com> writes:
> Since the schema name of relation/function name will be outputted in
> explain's result when verbose(on) is specified. I plan to output the schema
> name of collation as well as relation/function.
While that's not unreasonable in principle, it seems like it'll just be
useless verbosity in pretty much any actual database. In what scenario
would you have duplicate collation names?
regards, tom lane