Re: tab completion for prepared transactions?

On lör, 2010-01-23 at 12:42 -0500, Tom Lane wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
> > Was there a designed-in reason not to have psql tab completion for
> > COMMIT/ROLLBACK PREPARED ...?  It does complete the "PREPARED" but not
> > the transaction identifiers.  Maybe it's not a common use case, but
> > these transaction identifiers sure can be nontrivial to type.
> 
> Hmm, what's the use scenario?  I would think that painfully long
> gxids would come from some XA manager software, which would be
> responsible for committing or canceling them.  Manual override
> of that would usually be a bad idea.

The scenario that I encountered is that you go around manually cleaning
them up when the XA software fails for some reason.