YT-20351: yson scalars

Added scalars in prime implementation

Test for sequoia scalars

2 files changed, 14 insertions, 0 deletions

diff --git a/yt/yt/client/object_client/helpers.cpp b/yt/yt/client/object_client/helpers.cpp
index e90a1d48972..902cdc29061 100644
--- a/yt/yt/client/object_client/helpers.cpp
+++ b/yt/yt/client/object_client/helpers.cpp
@@ -13,6 +13,17 @@ NYPath::TYPath FromObjectId(TObjectId id)
     return TString(ObjectIdPathPrefix) + ToString(id);
 }
 
+bool IsScalarType(EObjectType type)
+{
+    return
+        type == EObjectType::StringNode ||
+        type == EObjectType::Int64Node ||
+        type == EObjectType::Uint64Node ||
+        type == EObjectType::DoubleNode ||
+        type == EObjectType::ListNode ||
+        type == EObjectType::BooleanNode;
+}
+
 bool IsVersionedType(EObjectType type)
 {
     return
diff --git a/yt/yt/client/object_client/helpers.h b/yt/yt/client/object_client/helpers.h
index 3c57fa58e7b..57849c77901 100644
--- a/yt/yt/client/object_client/helpers.h
+++ b/yt/yt/client/object_client/helpers.h
@@ -18,6 +18,9 @@ namespace NYT::NObjectClient {
 //! |#|-prefix.
 extern const TStringBuf ObjectIdPathPrefix;
 
+//! Function for temporary use: to gradually allow types supported in Sequoia.
+bool IsScalarType(NObjectClient::EObjectType type);
+
 //! Creates the YPath pointing to an object with a given #id.
 NYPath::TYPath FromObjectId(TObjectId id);