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Withdraw PL/Proxy from commitfest

From: "Marko Kreen" <markokr(at)gmail(dot)com>
To: "Postgres Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Withdraw PL/Proxy from commitfest
Date: 2008-09-05 12:39:52
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
In the previous discussion there was mentioned that Postgres should
move to the SQL-MED direction in remote connection handling.

SQL-MED specifies that connections should have names and referenced
everywhere using names.  PL/Proxy currently does not conform to that
standard - it uses connection strings directly.  Although it could
made work with SQL-MED backend, it would look ugly.

So I'd like to withdraw PL/Proxy from commitfest and rework it's
connection handling scheme to be also name->connstr based.  Idea will
be that it will have user-definable connection handling backend,
which operates on named connections.  And in the future we can
plug in a backend that reuses connection info from builtin SQL-MED store.

Although the current connection handling works and is secure it has
a deficiency that it's bit hard to hide the password that is used
for connecting.  User can either play with table/function permissions
and SECURITY DEFINER functions but that's complex.  Or he can put
passwords into .pgpass - this is easy and secure but has the problem
that the file is not manageable from inside database.

So PL/Proxy needs new SQL-MED based scheme that fixes it.  When this
is ready we can re-discuss the builtin vs. PL-based remote functions.
As I don't plan to work on it near-term there is no point polluting
the commitfest page with it.

[ There was a attempt to paint the .pgpass based password handling
  insecure because dblink makes the file world-readable.  I still
  fail to see how this any way points to flaws of the scheme... ]



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