signal-desktop/ts/sql/migrations/83-mentions.ts

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// 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 updateToSchemaVersion83(
currentVersion: number,
db: Database,
logger: LoggerType
): void {
if (currentVersion >= 83) {
return;
}
db.transaction(() => {
db.exec(
`
ALTER TABLE messages
ADD COLUMN mentionsMe INTEGER NOT NULL DEFAULT 0;
-- one which includes story data...
CREATE INDEX messages_unread_mentions ON messages
(conversationId, readStatus, mentionsMe, isStory, storyId, received_at, sent_at)
WHERE readStatus IS NOT NULL;
-- ...and one which doesn't, so storyPredicate works as expected
CREATE INDEX messages_unread_mentions_no_story_id ON messages
(conversationId, readStatus, mentionsMe, isStory, received_at, sent_at)
WHERE isStory IS 0 AND readStatus IS NOT NULL;
`
);
db.pragma('user_version = 83');
})();
logger.info('updateToSchemaVersion83: success!');
}