G u i d o B a r o s i o <[EMAIL PROTECTED]> writes:
> [EMAIL PROTECTED] postgres]$ createlang plpgsql tech_mis
> createlang: language installation failed: ERROR: could not load library
> "/usr/local/pgsql/lib/plpgsql.so": /usr/local/pgsql/lib/plpgsql.so: undefined
> symbol: PG_exception_stack
I think you've got a version mismatch problem --- specifically, it looks
like you are trying to load an 8.0 plpgsql.so into a pre-8.0 backend.
PG_exception_stack is (just by chance no doubt) the first symbol the
newer code tries to reference that's not in the older backend.
regards, tom lane
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