Re: configure datatype name > 31?

Tom Lane wrote:
> "Mark McEahern" <marklists@mceahern.com> writes:
> > Tom, thanks for your reply.  I am now able to create databases and users
> > with longer names, but I am unable to login with the long username.
>
> I think you're stuck on that, unless you want to be *really*
> incompatible with the rest of the world.  The startup packet format has
> hard-wired field sizes --- see src/include/libpq/pqcomm.h:
>
> #define SM_DATABASE        64
> #define SM_USER            32
> #define SM_OPTIONS        64
> #define SM_UNUSED        64
> #define SM_TTY            64
>
> Don't ask me why SM_USER is different from the rest :-(
>
> If you change these I'd strongly advise bumping the protocol minor
> version number, so that you don't have weird behavior should you try
> to interoperate with standard code.
>
> This is another thing that should be on the list of stuff to fix when
> we next change the FE/BE protocol ...

Comment added to source that SM_USER length should match the others.

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