Peter Eisentraut <peter_e@gmx.net> writes:
> Why are the transaction identifiers used in the 2PC commands lexical
> strings rather than identifiers? Shouldn't database objects be
> identifiers and strings be purely data objects? Or is there some
> standard or precedent on that?
I proposed the same awhile back, but it was shot down --- there is
a standard out there somewhere, and it requires strings of 150 or so
characters for GIDs, so identifiers don't work. See the archives.
regards, tom lane