Vicky Vergara <vicky_vergara(at)hotmail(dot)com> writes:
> From this message:
> https://www.postgresql.org/message-id/1585.1472410329%40sss.pgh.pa.us
> I deduced that in the code I can use
> PG_CATALOG_VERSION
No, sorry, thinko on my part. It's CATALOG_VERSION_NO, from
<catalog/catversion.h>, that people usually use for this sort of thing.
That gives you finer grain than PG_VERSION would, although that only
matters if you're concerned about working with development versions.
regards, tom lane