Add SQL cast to fix from-SQL conversion of timespan literals.

lsst · Sep 20, 2022 · d6df482 · d6df482
1 parent 24cc1cc
commit d6df482
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/python/lsst/daf/butler/registry/databases/postgresql.py b/python/lsst/daf/butler/registry/databases/postgresql.py
@@ -386,7 +386,9 @@ def fromLiteral(cls, timespan: Optional[Timespan]) -> _RangeTimespanRepresentati
         if timespan is None:
             return cls(column=sqlalchemy.sql.null(), name=cls.NAME)
         return cls(
-            column=sqlalchemy.sql.literal(timespan, type_=_RangeTimespanType),
+            column=sqlalchemy.sql.cast(
+                sqlalchemy.sql.literal(timespan, type_=_RangeTimespanType), type_=_RangeTimespanType
+            ),
             name=cls.NAME,
         )