signal-desktop/ts/sql/migrations/49-fix-preview-index.ts
2022-12-14 12:48:36 -08:00

33 lines
856 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { Database } from '@signalapp/better-sqlite3';
import type { LoggerType } from '../../types/Logging';
export default function updateToSchemaVersion49(
currentVersion: number,
db: Database,
logger: LoggerType
): void {
if (currentVersion >= 49) {
return;
}
db.transaction(() => {
db.exec(
`
DROP INDEX messages_preview;
-- Note the omitted 'expiresAt' column in the index. If it is present
-- sqlite can't ORDER BY received_at, sent_at using this index.
CREATE INDEX messages_preview ON messages
(conversationId, shouldAffectPreview, isGroupLeaveEventFromOther, received_at, sent_at);
`
);
db.pragma('user_version = 49');
})();
logger.info('updateToSchemaVersion49: success!');
}