diff --git a/src/backend/utils/adt/jsonb.c b/src/backend/utils/adt/jsonb.c
index d253ae66fa8..bf2d5968774 100644
--- a/src/backend/utils/adt/jsonb.c
+++ b/src/backend/utils/adt/jsonb.c
@@ -598,6 +598,16 @@ JsonbToCStringWorker(StringInfo out, JsonbContainer *in, int estimated_len, bool
 	return out->data;
 }
 
+void
+jsonb_get_value(Datum val, bool is_null, JsonbValue *json, Oid val_type)
+{
+	JsonbInState state;
+	memset(&state, 0, sizeof(JsonbInState));
+
+	add_jsonb(val, is_null, &state, val_type, false);
+	*json = *(state.res);
+}
+
 static void
 add_indent(StringInfo out, bool indent, int level)
 {
@@ -2083,4 +2093,4 @@ jsonb_float8(PG_FUNCTION_ARGS)
 	PG_FREE_IF_COPY(in, 0);
 
 	PG_RETURN_DATUM(retValue);
-}
+}
\ No newline at end of file
diff --git a/src/include/utils/jsonb.h b/src/include/utils/jsonb.h
index 40851595881..24aae3976f8 100644
--- a/src/include/utils/jsonb.h
+++ b/src/include/utils/jsonb.h
@@ -415,4 +415,5 @@ extern Datum jsonb_set_element(Jsonb *jb, Datum *path, int path_len,
 							   JsonbValue *newval);
 extern Datum jsonb_get_element(Jsonb *jb, Datum *path, int npath,
 							   bool *isnull, bool as_text);
-#endif							/* __JSONB_H__ */
+extern void jsonb_get_value(Datum val, bool is_null, JsonbValue *json, Oid val_type);
+#endif							/* __JSONB_H__ */
\ No newline at end of file