fixes

Author: rustyconover

src/query_farm_server_base/duckdb_serialized_values.py

@@ -548,7 +548,7 @@ def sql(self) -> str:
             return "null"
         assert self.value
 
-        dt = datetime.fromtimestamp(self.value / 1000, tz=UTC)
+        dt = datetime.fromtimestamp(self.value, tz=UTC)
         return "TIMESTAMP_S '" + dt.strftime("%Y-%m-%d %H:%M:%S") + "'"