Re: BUG #1907: problem with function return as integer[] - Mailing list pgsql-bugs

"Michael Kappler" <ComputerChemist@aol.com> writes:
> I compiled/linked a shared object against 7.4.5.  My customer installed into
> PostgreSQL 8.1beta1.  My functions that return as integer[] give an empty
> string (1 row) instead of the correct result (e.g., {{2,7}{4,5}}.  Do I need
> to recompile/link against 8.1 headers/objects?

Yes.

> FWIW, my 7.4.5 .so works in PostgreSQL 8.0.3.

Pure luck.  We never guarantee binary compatibility across major releases.

            regards, tom lane