"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
> Perhaps an easy means would be to put a PG_VERSION file in each
> tablespace when it's created and then check all of them. Tablespaces
> arguably make it slightly easier to accidentally try and mount something
> from a different version...
I believe we already do put a PG_VERSION file in each tablespace, but
AFAIR there is no subsequent check on their contents.
regards, tom lane
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
