Initial open source release

deploy/migrations/0016_delete_message_updates.up.sql

@@ -0,0 +1,29 @@
+-- 0016_delete_message_updates: durable owner-view delete message updates.
+--
+-- message_ids carries updateDeleteMessages.messages for offline getDifference
+-- and reliable online outbox delivery.
+
+ALTER TABLE user_update_events
+    ADD COLUMN IF NOT EXISTS message_ids JSONB NOT NULL DEFAULT '[]'::jsonb;
+
+ALTER TABLE user_update_events
+    DROP CONSTRAINT IF EXISTS user_update_events_type_check;
+
+ALTER TABLE user_update_events
+    ADD CONSTRAINT user_update_events_type_check CHECK (
+        event_type IN (
+            'new_message',
+            'read_history_inbox',
+            'contacts_reset',
+            'dialog_pinned',
+            'pinned_dialogs',
+            'dialog_unread_mark',
+            'peer_settings',
+            'delete_messages',
+            'noop'
+        )
+    );
+
+CREATE INDEX IF NOT EXISTS message_boxes_private_sender_live_idx
+    ON message_boxes (message_sender_id, private_message_id)
+    WHERE NOT deleted;