fix: Table.order_by sorts None as equal to None

Author: jpmckinney

CHANGELOG.rst

@@ -1,3 +1,8 @@
+1.13.0 - Jan 29, 2025
+---------------------
+
+- fix: :meth:`.Table.order_by` sorts None as equal to None.
+
 1.12.0 - July 29, 2024
 ----------------------
 

agate/utils.py

@@ -46,11 +46,11 @@ class NullOrder:
     def __lt__(self, other):
         return False
 
-    def __gt__(self, other):
-        if other is None:
-            return False
+    def __eq__(self, other):
+        return isinstance(other, NullOrder)
 
-        return True
+    def __gt__(self, other):
+        return not isinstance(other, NullOrder)
 
 
 class Quantiles(Sequence):

docs/conf.py

@@ -12,7 +12,7 @@
 
 project = 'agate'
 copyright = '2017, Christopher Groskopf'
-version = '1.12.0'
+version = '1.13.0'
 release = version
 
 # -- General configuration ---------------------------------------------------

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='agate',
-    version='1.12.0',
+    version='1.13.0',
     description='A data analysis library that is optimized for humans instead of machines.',
     long_description=long_description,
     long_description_content_type='text/x-rst',

tests/test_table/test_order_py.py

@@ -131,8 +131,8 @@ def test_order_by_nulls(self):
         self.assertRows(new_table, [
             rows[2],
             rows[0],
-            rows[1],
-            rows[3]
+            rows[3],
+            rows[1]
         ])
 
     def test_order_by_with_row_names(self):