-- 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
--
--     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 `expires_at` column nullable on the `oauth2_access_tokens`.
-- This is to allow permanent tokens to be created via the admin API.
ALTER TABLE oauth2_access_tokens
    ALTER COLUMN expires_at DROP NOT NULL;