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https://github.com/matrix-org/dendrite.git
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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>
67 lines
2 KiB
Go
67 lines
2 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package deltas
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import (
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"context"
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"database/sql"
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"fmt"
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)
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func UpRefactorKeyChanges(ctx context.Context, tx *sql.Tx) error {
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// start counting from the last max offset, else 0.
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var maxOffset int64
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var userID string
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_ = tx.QueryRowContext(ctx, `SELECT user_id, MAX(log_offset) FROM keyserver_key_changes GROUP BY user_id`).Scan(&userID, &maxOffset)
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_, err := tx.ExecContext(ctx, `
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-- make the new table
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DROP TABLE IF EXISTS keyserver_key_changes;
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CREATE TABLE IF NOT EXISTS keyserver_key_changes (
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change_id INTEGER PRIMARY KEY AUTOINCREMENT,
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-- The key owner
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user_id TEXT NOT NULL,
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UNIQUE (user_id)
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);
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`)
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if err != nil {
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return fmt.Errorf("failed to execute upgrade: %w", err)
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}
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// to start counting from maxOffset, insert a row with that value
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if userID != "" {
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_, err = tx.ExecContext(ctx, `INSERT INTO keyserver_key_changes(change_id, user_id) VALUES($1, $2)`, maxOffset, userID)
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return err
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}
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return nil
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}
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func DownRefactorKeyChanges(ctx context.Context, tx *sql.Tx) error {
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_, err := tx.ExecContext(ctx, `
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-- Drop all data and revert back, we can't keep the data as Kafka offsets determine the numbers
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DROP TABLE IF EXISTS keyserver_key_changes;
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CREATE TABLE IF NOT EXISTS keyserver_key_changes (
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partition BIGINT NOT NULL,
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offset BIGINT NOT NULL,
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-- The key owner
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user_id TEXT NOT NULL,
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UNIQUE (partition, offset)
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);
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`)
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if err != nil {
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return fmt.Errorf("failed to execute downgrade: %w", err)
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}
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return nil
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}
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