Postgres_fdw- User Mapping with md5-hashed password

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From: Dirschel, Steve <[email protected]>
To: [email protected] <[email protected]>
Subject: Postgres_fdw-  User Mapping with md5-hashed password
Date: Tue, 8 Apr 2025 20:00:58 +0000
Message-ID: <CH0PR03MB60345DAB1097FFE1D49737B5FAB52@CH0PR03MB6034.namprd03.prod.outlook.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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I know I can create user steve_test with password testpassword122 as md5 by doing:

select 'md5'||md5('testpassword122steve_test');  Returns --> md5eb7e220574bf85096ee99370ad67cbd3

CREATE USER steve_test WITH  PASSWORD 'md5eb7e220574bf85096ee99370ad67cbd3';

And then I can login as steve_test with password testpassword122.

I'm trying to use similar logic when creating a user mapping:

CREATE USER MAPPING FOR postgres SERVER steve_snap0 OPTIONS (user 'steve_test', password 'md5eb7e220574bf85096ee99370ad67cbd3');

When I try and import a foreign schema I get an error:

ERROR:  could not connect to server "steve_snap0"

If I create the user mapping with the password:

CREATE USER MAPPING FOR postgres SERVER steve_snap0 OPTIONS (user 'steve_test', password 'testpassword122');

It works fine.

Is it not possible to use the same logic for the user mapping password that can be used when creating a user?

Thanks in advance.
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