60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { Database } from '@signalapp/better-sqlite3';
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import type { LoggerType } from '../../types/Logging';
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export default function updateToSchemaVersion76(
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currentVersion: number,
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db: Database,
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logger: LoggerType
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): void {
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if (currentVersion >= 76) {
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return;
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}
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db.transaction(() => {
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db.exec(
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`
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-- Re-created below
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DROP INDEX IF EXISTS message_expires_at;
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DROP INDEX IF EXISTS messages_preview;
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-- Create non-null expiresAt column
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ALTER TABLE messages
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DROP COLUMN expiresAt;
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ALTER TABLE messages
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ADD COLUMN
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expiresAt INT
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GENERATED ALWAYS
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AS (ifnull(
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expirationStartTimestamp + (expireTimer * 1000),
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${Number.MAX_SAFE_INTEGER}
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));
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-- Re-create indexes
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-- Note the "s" at the end of "messages"
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CREATE INDEX messages_expires_at ON messages (
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expiresAt
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);
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-- Note that expiresAt is intentionally dropped from the index since
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-- expiresAt > $now is likely to be true so we just try selecting it
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-- *after* ordering by received_at/sent_at.
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CREATE INDEX messages_preview ON messages
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(conversationId, shouldAffectPreview, isGroupLeaveEventFromOther,
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received_at, sent_at);
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CREATE INDEX messages_preview_without_story ON messages
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(conversationId, shouldAffectPreview, isGroupLeaveEventFromOther,
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received_at, sent_at) WHERE storyId IS NULL;
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`
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);
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db.pragma('user_version = 76');
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})();
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logger.info('updateToSchemaVersion76: success!');
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}
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