22 lines
674 B
TypeScript
22 lines
674 B
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { Database } from '@signalapp/sqlcipher';
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export default function updateToSchemaVersion52(db: Database): void {
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db.exec(
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`
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-- Create indices that don't have storyId in them so that
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-- '_storyIdPredicate' could be optimized.
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-- See migration 47
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CREATE INDEX messages_conversation_no_story_id ON messages
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(conversationId, isStory, received_at, sent_at);
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-- See migration 50
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CREATE INDEX messages_unread_no_story_id ON messages
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(conversationId, readStatus, isStory, received_at, sent_at)
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WHERE readStatus IS NOT NULL;
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`
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);
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}
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