Optimize markAllCallHistoryReadSync

ts/sql/migrations/1100-optimize-mark-call-history-read-in-conversation.ts

@@ -0,0 +1,63 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { Database } from '@signalapp/better-sqlite3';
+import type { LoggerType } from '../../types/Logging';
+import { sql } from '../util';
+
+export const version = 1100;
+
+export function updateToSchemaVersion1100(
+  currentVersion: number,
+  db: Database,
+  logger: LoggerType
+): void {
+  if (currentVersion >= 1100) {
+    return;
+  }
+
+  db.transaction(() => {
+    const [query] = sql`
+      -- Fix: Query went from readStatus to seenStatus but index wasn't updated
+      DROP INDEX IF EXISTS messages_callHistory_readStatus;
+      DROP INDEX IF EXISTS messages_callHistory_seenStatus;
+      CREATE INDEX messages_callHistory_seenStatus
+        ON messages (type, seenStatus)
+        WHERE type IS 'call-history';
+
+      -- Update to index created in 89: add sent_at to make it covering, and where clause to make it smaller
+      DROP INDEX IF EXISTS messages_call;
+      CREATE INDEX messages_call ON messages
+        (type, conversationId, callId, sent_at)
+        WHERE type IS 'call-history';
+
+      -- Update to index created in 89: add callId and peerId to make it covering
+      DROP INDEX IF EXISTS callsHistory_order;
+      CREATE INDEX callsHistory_order ON callsHistory
+        (timestamp DESC, callId, peerId);
+
+      -- Update to index created in 89: add timestamp for querying by order and callId to make it covering
+      DROP INDEX IF EXISTS callsHistory_byConversation;
+      DROP INDEX IF EXISTS callsHistory_byConversation_order;
+      CREATE INDEX callsHistory_byConversation_order ON callsHistory (peerId, timestamp DESC, callId);
+
+      -- Optimize markAllCallHistoryRead
+      DROP INDEX IF EXISTS messages_callHistory_markReadBefore;
+      CREATE INDEX messages_callHistory_markReadBefore
+        ON messages (type, seenStatus, sent_at DESC)
+        WHERE type IS 'call-history';
+
+      -- Optimize markAllCallHistoryReadInConversation
+      DROP INDEX IF EXISTS messages_callHistory_markReadByConversationBefore;
+      CREATE INDEX messages_callHistory_markReadByConversationBefore
+        ON messages (type, conversationId, seenStatus, sent_at DESC)
+        WHERE type IS 'call-history';
+    `;
+
+    db.exec(query);
+  })();
+
+  db.pragma('user_version = 1100');
+
+  logger.info('updateToSchemaVersion1100: success!');
+}