From: | "David E(dot) Wheeler" <david(at)kineticode(dot)com> |
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To: | Josh Berkus <josh(at)agliodbs(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: ALTER EXTENSION UPGRADE, v3 |
Date: | 2011-02-03 19:56:46 |
Message-ID: | 9630B286-5442-48BE-8CF9-67FAA1E46913@kineticode.com |
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Lists: | pgsql-hackers |
On Feb 3, 2011, at 11:35 AM, Josh Berkus wrote:
> (D) Requires a series of ordered upgrade scripts in sortable version
> numbering, each of which gets applied in order between the two versions.
> This initially seems like the most attractive option -- and is the one
> used by dozens of popular open source web applications -- but has some
> major roadblocks for us. First, it requires module authors to subscribe
> to a uniform sortable versions scheme (which isn't a bad thing, the
> users would certainly appreciate it, and PGXN is liable to enforce this
> anyway).
PGXN does enforce Semantic Versions (http://semver.org/), but extensions wont' be limited to PGXN, of course. Might be a lot of stuff developed for internal use in organizations, and they surely won't use the same version numbers.
Agreed with your summary, well put.
Best,
David
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