Restore export for nullslast/nullfirst

Previously only the snake case versions nulls_last/nulls_first
were exported in the toplevel namespace.

Fixes: #9390
Change-Id: I9088e858ae108a5c9106b9d8d82655ad605417cc

2 files changed, 6 insertions, 0 deletions

diff --git a/lib/sqlalchemy/__init__.py b/lib/sqlalchemy/__init__.py
index 6720437fa..70eace964 100644
--- a/lib/sqlalchemy/__init__.py
+++ b/lib/sqlalchemy/__init__.py
@@ -162,6 +162,8 @@ from .sql.expression import Null as Null
 from .sql.expression import null as null
 from .sql.expression import nulls_first as nulls_first
 from .sql.expression import nulls_last as nulls_last
+from .sql.expression import nullsfirst as nullsfirst
+from .sql.expression import nullslast as nullslast
 from .sql.expression import Operators as Operators
 from .sql.expression import or_ as or_
 from .sql.expression import outerjoin as outerjoin
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index 7076cd10d..4fa9cda00 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -152,4 +152,8 @@ from .selectable import Values as Values
 from .visitors import Visitable as Visitable
 
 nullsfirst = nulls_first
+"""Synonym for the :func:`.nulls_first` function."""
+
+
 nullslast = nulls_last
+"""Synonym for the :func:`.nulls_last` function."""