Paul Ramsey <pram...@cleverelephant.ca> writes:
> [ 20151006b_postgres_fdw_extensions.patch ]
Starting to look through this now. I'm dubious of the decision to have
ExtractExtensionList throw errors if there are un-installed extensions
mentioned in the FDW options. Wouldn't it be a lot more convenient if
such extension names were silently ignored? You cannot guarantee that the
list is always up to date anyway; consider creating a server, setting some
extension options, and then dropping some of those extensions. Moreover,
the current semantics create a hazard for pg_dump, which can't reasonably
be expected to know that it must restore extensions X and Y before it can
create foreign server Z.
There might be a case for raising a WARNING during
postgres_fdw_validator(), but no more than that, IMO. Certainly ERROR
during regular use of the server is right out.
Comments?
regards, tom lane
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