[ADMIN] Stupid mistake: Forgot to dump when upgrading. (7.3 -> 7.4.2)

[Jón Ragnarsson]

I upgraded Postgres on my computer and forgot to dump the data. (Yes, 
very stupid) And now 7.4.2 refuses to read the datafiles. Is there 
anything that I can do?
Maybe I should ask people over at redhat/fedora if I could downgrade 
Postgres?
J.

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