Tweak signatures for Resource<Datetime2.TM64> overloads

Author: igormunkin

yql/essentials/udfs/common/datetime2/datetime_udf.cpp

@@ -2547,6 +2547,16 @@ class TBoundaryOfInterval: public ::NYql::NUdf::TBoxedValue {
         }
 
         if (resource.GetTag() == TStringRef::Of(TM64ResourceName)) {
+            // FIXME: The condition below is required to untie the
+            // Gordian knot with the upgrade, when two MiniKQL
+            // runtimes with different versions are being used.
+            // See YQL-19967 for more info.
+            if (MKQL_RUNTIME_VERSION < 51U && typesOnly) {
+                ::TStringBuilder sb;
+                sb << "Unexpected Resource tag: got '" << resource.GetTag() << "'";
+                builder.SetError(sb);
+                return true;
+            }
             BuildSignature<TM64ResourceName, WBoundary>(builder, typesOnly);
             return true;
         }
@@ -2681,6 +2691,16 @@ class TTimeOfDay: public ::NYql::NUdf::TBoxedValue {
         }
 
         if (resource.GetTag() == TStringRef::Of(TM64ResourceName)) {
+            // FIXME: The condition below is required to untie the
+            // Gordian knot with the upgrade, when two MiniKQL
+            // runtimes with different versions are being used.
+            // See YQL-19967 for more info.
+            if (MKQL_RUNTIME_VERSION < 51U && typesOnly) {
+                ::TStringBuilder sb;
+                sb << "Unexpected Resource tag: got '" << resource.GetTag() << "'";
+                builder.SetError(sb);
+                return true;
+            }
             BuildSignature<TM64ResourceName>(builder, typesOnly);
             return true;
         }