-- Copyright 2023 The Matrix.org Foundation C.I.C.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
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--     http://www.apache.org/licenses/LICENSE-2.0
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-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
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-- This makes the user_id in the oauth2_sessions nullable, which allows us to create user-less sessions
ALTER TABLE oauth2_sessions
    ALTER COLUMN user_id DROP NOT NULL;

-- This adds a column to the oauth2_clients to allow them to use the client_credentials flow
ALTER TABLE oauth2_clients
    ADD COLUMN grant_type_client_credentials boolean NOT NULL DEFAULT false;