signal-desktop/ts/sql/migrations/46-optimize-stories.ts

40 lines
880 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { Database } from 'better-sqlite3';
import type { LoggerType } from '../../types/Logging';
export default function updateToSchemaVersion46(
currentVersion: number,
db: Database,
logger: LoggerType
): void {
if (currentVersion >= 46) {
return;
}
db.transaction(() => {
db.exec(
`
--- Add column to messages table
ALTER TABLE messages
ADD COLUMN
isStory INTEGER
GENERATED ALWAYS
AS (type = 'story');
--- Update important message indices
DROP INDEX messages_conversation;
CREATE INDEX messages_conversation ON messages
(conversationId, isStory, storyId, received_at, sent_at);
`
);
db.pragma('user_version = 46');
})();
logger.info('updateToSchemaVersion46: success!');
}