hy144328 commented on code in PR #39782:
URL: https://github.com/apache/superset/pull/39782#discussion_r3243706676


##########
superset/models/helpers.py:
##########
@@ -2394,7 +2394,15 @@ def dttm_sql_literal(self, dttm: datetime, col: 
"TableColumn") -> str:
 
         if tf:
             if tf in {"epoch_ms", "epoch_s"}:
-                seconds_since_epoch = int(dttm.timestamp())
+                # In general, Superset works with timezone-naive datetime 
objects
+                # internally. However, timestamp() applies local timezone to
+                # timezone-naive datetime objects. Therefore, we have to be 
explicit
+                # about UTC before calling timestamp().
+                dttm_tz_aware = dttm

Review Comment:
   Outdated.



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