Re: WIP: default values for function parameters

2008/11/30 Tom Lane <tgl@sss.pgh.pa.us>:
> Peter Eisentraut <peter_e@gmx.net> writes:
>> There are two ways to fix this, both having some validity:
>
>> 1. We create a second version of pg_get_function_arguments() that produces
>> arguments without default values decoration.  This is probably the
>> technically sound thing to do.

I'll prepare new patch with this change.

>
> Yes.  I think that the argument for allowing parameter names in commands
> like ALTER FUNCTION is that the user might consider them part of the
> function's identity.  This can hardly be claimed for default values.
>
> Also, there's a third possibility: we could revert the decision to allow
> pg_dump to depend on pg_get_function_arguments in the first place.  That
> was really the lazy man's approach to begin with.  The more we allow
> pg_dump to depend on backend functions that work in a SnapshotNow world,
> the more risk we have of producing inconsistent dumps.

I don't understand well. Transactions is spanish village for me. So
there will be some finalizing necessary from You or Peter.

Regards
Pavel Stehule

>
>                        regards, tom lane
>