"Josh Berkus" <josh(at)agliodbs(dot)com> writes:
> Any pitfalls in
> having 2 versions installed?
Give them different install directories, data directories, and port
numbers, and you're good to go --- I run multiple versions routinely.
The --with-pgport and --prefix configure options make it easy to set
up a test version with nonstandard directories and port.
regards, tom lane