Support logic time in ORM

3 files changed, 21 insertions, 0 deletions

diff --git a/library/cpp/yt/misc/CMakeLists.txt b/library/cpp/yt/misc/CMakeLists.txt
index 502ac788e8..696f0f2bed 100644
--- a/library/cpp/yt/misc/CMakeLists.txt
+++ b/library/cpp/yt/misc/CMakeLists.txt
@@ -16,4 +16,5 @@ target_link_libraries(cpp-yt-misc PUBLIC
 target_sources(cpp-yt-misc PRIVATE
   ${CMAKE_SOURCE_DIR}/library/cpp/yt/misc/guid.cpp
   ${CMAKE_SOURCE_DIR}/library/cpp/yt/misc/source_location.cpp
+  ${CMAKE_SOURCE_DIR}/library/cpp/yt/misc/variant.cpp
 )
diff --git a/library/cpp/yt/misc/variant.cpp b/library/cpp/yt/misc/variant.cpp
new file mode 100644
index 0000000000..be86affef8
--- /dev/null
+++ b/library/cpp/yt/misc/variant.cpp
@@ -0,0 +1,16 @@
+#include "variant.h"
+
+#include <library/cpp/yt/string/string_builder.h>
+
+namespace NYT {
+
+////////////////////////////////////////////////////////////////////////////////
+
+void FormatValue(TStringBuilderBase* builder, const std::monostate&, TStringBuf /*format*/)
+{
+    builder->AppendString(TStringBuf("<monostate>"));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYT
diff --git a/library/cpp/yt/misc/variant.h b/library/cpp/yt/misc/variant.h
index 21e16ec60e..1c8a3c9019 100644
--- a/library/cpp/yt/misc/variant.h
+++ b/library/cpp/yt/misc/variant.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <util/generic/string.h>
+
 #include <variant>
 
 namespace NYT {
@@ -11,6 +13,8 @@ class TStringBuilderBase;
 template <class... Ts>
 void FormatValue(TStringBuilderBase* builder, const std::variant<Ts...>& variant, TStringBuf spec);
 
+void FormatValue(TStringBuilderBase* builder, const std::monostate&, TStringBuf /*format*/);
+
 template <class... Ts>
 TString ToString(const std::variant<Ts...>& variant);