| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Josh Berkus <josh(at)agliodbs(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: pg_migrator issue with contrib |
| Date: | 2009-06-08 18:11:40 |
| Message-ID: | 603c8f070906081111k1517e9d3s7a92b3a22920f71b@mail.gmail.com |
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On Mon, Jun 8, 2009 at 1:32 PM, Tom Lane<tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> Obviously we don't want to get into connecting to a web site, but we
>> could probably come up with some other API for .so files to indicate
>> which versions of PG they're compatible with.
>
> You mean like PG_MODULE_MAGIC?
Hey, how about that. Why doesn't that solve our problem here?
[ thinks ... ] I guess it's because there's no guarantee that the
function is installed on the SQL level with the signature that is
appropriate on the C level. To fix that, I suppose we'd need to
version the contents of the .sql file that installs the definitions,
which gets back to the problem of building a general-purpose module
facility.
...Robert
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