On 04/07/2017 11:57 AM, Craig Ringer wrote:
On 7 April 2017 at 16:33, Heikki Linnakangas <hlinn...@iki.fi> wrote:
That list of supported authentication methods would need to be included in
the startup message. Unfortunately, there is no way to add options to the
startup message, without breaking compatibility with old servers. If there
is an option in the startup message that the server doesn't understand, it
will treat it as a GUC, and you get an "unrecognized configuration
parameter" after authentication.
sasl.mechanisms = 'SCRAM_SHA256'
No, I'm not seriously suggesting we abuse that.
Hmm, that's not such a bad idea, actually. It only goes back to 9.2,
though. Before that, the prefix needed to be listed in
custom_variable_classes, or you got an error. 9.2 is the oldest
supported version, but libpq should still be able to connect to older
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