Tweak DeclareSignature for TFormat class

Author: igormunkin

yql/essentials/sql/v1/builtin.cpp

@@ -12,6 +12,8 @@
 #include <yql/essentials/public/issue/yql_issue_id.h>
 #include <yql/essentials/parser/pg_catalog/catalog.h>
 
+#include <yql/essentials/minikql/mkql_runtime_version.h>
+
 #include <library/cpp/charset/ci_string.h>
 #include <library/cpp/yson/node/node_io.h>
 #include <util/string/builder.h>
@@ -3471,6 +3473,12 @@ TNodePtr BuildBuiltinFunc(TContext& ctx, TPosition pos, TString name, const TVec
         }
     } else if (ns == "datetime2" && (name == "Parse")) {
         return BuildUdf(ctx, pos, nameSpace, name, args);
+    } else if (MKQL_RUNTIME_VERSION < 51U && ns == "datetime2" && name == "Format") {
+        // FIXME: The condition above 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.
+        return BuildUdf(ctx, pos, nameSpace, name, args);
     } else if (ns == "pg" || ns == "pgagg" || ns == "pgproc") {
         bool isAggregateFunc = NYql::NPg::HasAggregation(name, NYql::NPg::EAggKind::Normal);
         bool isNormalFunc = NYql::NPg::HasProc(name, NYql::NPg::EProcKind::Function);

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

@@ -4,6 +4,8 @@
 #include <yql/essentials/minikql/datetime/datetime.h>
 #include <yql/essentials/minikql/datetime/datetime64.h>
 
+#include <yql/essentials/minikql/mkql_runtime_version.h>
+
 #include <yql/essentials/public/udf/arrow/udf_arrow_helpers.h>
 
 #include <util/datetime/base.h>
@@ -2293,6 +2295,16 @@ class TShift : public TBoxedValue {
 
             auto resourceType = builder.Resource(TMResourceName);
 
+            // 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) {
+                builder.Args()->Add(resourceType).Flags(ICallablePayload::TArgumentFlags::AutoMap);
+                builder.RunConfig<char*>().Returns<char*>();
+                return true;
+            }
+
             auto stringType = builder.SimpleType<char*>();
 
             auto boolType = builder.SimpleType<bool>();