add comment for legacy type

Linchin · Linchin · commit 8681f1263d4b · 2024-03-07T00:33:47.000Z
diff --git a/google/cloud/bigquery/enums.py b/google/cloud/bigquery/enums.py
@@ -293,7 +293,7 @@ class SqlTypeNames(str, enum.Enum):
     TIME = "TIME"
     DATETIME = "DATETIME"
     INTERVAL = "INTERVAL"  # NOTE: not available in legacy types
-    RANGE = "RANGE"
+    RANGE = "RANGE"  # NOTE: not available in legacy types
 
 
 class WriteDisposition(object):
