From 81d14838c4294a733ff4f451a4ad9de106b393b4 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 16 Oct 2023 10:11:09 +0300
Subject: [PATCH] Return unordered_map from prefix_get.

---
 tddb/td/db/BinlogKeyValue.h        | 5 +++--
 tddb/td/db/KeyValueSyncInterface.h | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/tddb/td/db/BinlogKeyValue.h b/tddb/td/db/BinlogKeyValue.h
index 9aaf6e266..fa9cc405a 100644
--- a/tddb/td/db/BinlogKeyValue.h
+++ b/tddb/td/db/BinlogKeyValue.h
@@ -26,6 +26,7 @@
 #include "td/utils/tl_storers.h"
 
 #include <memory>
+#include <unordered_map>
 #include <utility>
 
 namespace td {
@@ -218,9 +219,9 @@ class BinlogKeyValue final : public KeyValueSyncInterface {
     binlog_->lazy_sync(std::move(promise));
   }
 
-  FlatHashMap<string, string> prefix_get(Slice prefix) final {
+  std::unordered_map<string, string> prefix_get(Slice prefix) final {
     auto lock = rw_mutex_.lock_write().move_as_ok();
-    FlatHashMap<string, string> res;
+    std::unordered_map<string, string> res;
     for (const auto &kv : map_) {
       if (begins_with(kv.first, prefix)) {
         res.emplace(kv.first.substr(prefix.size()), kv.second.first);
diff --git a/tddb/td/db/KeyValueSyncInterface.h b/tddb/td/db/KeyValueSyncInterface.h
index 09515974f..0fb50ced8 100644
--- a/tddb/td/db/KeyValueSyncInterface.h
+++ b/tddb/td/db/KeyValueSyncInterface.h
@@ -11,6 +11,8 @@
 #include "td/utils/Promise.h"
 #include "td/utils/Slice.h"
 
+#include <unordered_map>
+
 namespace td {
 
 class KeyValueSyncInterface {
@@ -32,7 +34,7 @@ class KeyValueSyncInterface {
 
   virtual string get(const string &key) = 0;
 
-  virtual FlatHashMap<string, string> prefix_get(Slice prefix) = 0;
+  virtual std::unordered_map<string, string> prefix_get(Slice prefix) = 0;
 
   virtual FlatHashMap<string, string> get_all() = 0;