From a853f82e946732676daaaae01460559be5290a86 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 18 Dec 2018 12:47:16 +0300
Subject: [PATCH] Add debug.

GitOrigin-RevId: d98662b93489740a3b400415d1c28ccab88ad33e
---
 td/telegram/MessagesManager.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 4ee3462e..e9f30850 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -14192,9 +14192,14 @@ void MessagesManager::on_get_history_from_database(DialogId dialog_id, MessageId
         added_new_message = true;
       }
       if (next_message != nullptr && !next_message->have_previous) {
+        CHECK(m->message_id.get() < next_message->message_id.get()) << m->message_id << ' ' << next_message->message_id;
         LOG(INFO) << "Fix have_previous for " << next_message->message_id;
         next_message->have_previous = true;
-        attach_message_to_previous(d, next_message->message_id, "on_get_history_from_database 1");
+        attach_message_to_previous(
+            d, next_message->message_id,
+            (PSLICE() << "on_get_history_from_database 1 " << m->message_id << ' ' << from_message_id << ' ' << offset
+                      << ' ' << limit << ' ' << d->first_database_message_id << ' ' << d->have_full_history)
+                .c_str());
       }
 
       have_next = true;