mirror of
https://github.com/matrix-org/dendrite.git
synced 2024-12-04 12:11:55 -06:00
081f5e7226
* Add new db migration * Update migrations Remove goose * Add possibility to test direct upgrades * Try to fix WASM test * Add checks for specific migrations * Remove AddMigration Use WithTransaction Add Dendrite version to table * Fix linter issues * Update tests * Update comments, outdent if * Namespace migrations * Add direct upgrade tests, skipping over one version * Split migrations * Update go version in CI * Fix copy&paste mistake * Use contexts in migrations Co-authored-by: kegsay <kegan@matrix.org> Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
70 lines
2.6 KiB
Go
70 lines
2.6 KiB
Go
// Copyright 2022 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
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package deltas
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
)
|
|
|
|
func UpRefactorKeyChanges(ctx context.Context, tx *sql.Tx) error {
|
|
// start counting from the last max offset, else 0. We need to do a count(*) first to see if there
|
|
// even are entries in this table to know if we can query for log_offset. Without the count then
|
|
// the query to SELECT the max log offset fails on new Dendrite instances as log_offset doesn't
|
|
// exist on that table. Even though we discard the error, the txn is tainted and gets aborted :/
|
|
var count int
|
|
_ = tx.QueryRowContext(ctx, `SELECT count(*) FROM keyserver_key_changes`).Scan(&count)
|
|
if count > 0 {
|
|
var maxOffset int64
|
|
_ = tx.QueryRowContext(ctx, `SELECT coalesce(MAX(log_offset), 0) AS offset FROM keyserver_key_changes`).Scan(&maxOffset)
|
|
if _, err := tx.ExecContext(ctx, fmt.Sprintf(`CREATE SEQUENCE IF NOT EXISTS keyserver_key_changes_seq START %d`, maxOffset)); err != nil {
|
|
return fmt.Errorf("failed to CREATE SEQUENCE for key changes, starting at %d: %s", maxOffset, err)
|
|
}
|
|
}
|
|
|
|
_, err := tx.ExecContext(ctx, `
|
|
-- make the new table
|
|
DROP TABLE IF EXISTS keyserver_key_changes;
|
|
CREATE TABLE IF NOT EXISTS keyserver_key_changes (
|
|
change_id BIGINT PRIMARY KEY DEFAULT nextval('keyserver_key_changes_seq'),
|
|
user_id TEXT NOT NULL,
|
|
CONSTRAINT keyserver_key_changes_unique_per_user UNIQUE (user_id)
|
|
);
|
|
`)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to execute upgrade: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func DownRefactorKeyChanges(ctx context.Context, tx *sql.Tx) error {
|
|
_, err := tx.ExecContext(ctx, `
|
|
-- Drop all data and revert back, we can't keep the data as Kafka offsets determine the numbers
|
|
DROP SEQUENCE IF EXISTS keyserver_key_changes_seq;
|
|
DROP TABLE IF EXISTS keyserver_key_changes;
|
|
CREATE TABLE IF NOT EXISTS keyserver_key_changes (
|
|
partition BIGINT NOT NULL,
|
|
log_offset BIGINT NOT NULL,
|
|
user_id TEXT NOT NULL,
|
|
CONSTRAINT keyserver_key_changes_unique UNIQUE (partition, log_offset)
|
|
);
|
|
`)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to execute downgrade: %w", err)
|
|
}
|
|
return nil
|
|
}
|