Add HasAnyKeys lookup for HStoreField.

django/contrib/postgres/fields/hstore.py

@@ -55,18 +55,9 @@ class HStoreField(Field):
 
 HStoreField.register_lookup(lookups.DataContains)
 HStoreField.register_lookup(lookups.ContainedBy)
-
-
-@HStoreField.register_lookup
-class HasKeyLookup(lookups.PostgresSimpleLookup):
-    lookup_name = 'has_key'
-    operator = '?'
-
-
-@HStoreField.register_lookup
-class HasKeysLookup(lookups.PostgresSimpleLookup):
-    lookup_name = 'has_keys'
-    operator = '?&'
+HStoreField.register_lookup(lookups.HasKey)
+HStoreField.register_lookup(lookups.HasKeys)
+HStoreField.register_lookup(lookups.HasAnyKeys)
 
 
 class KeyTransform(Transform):

django/contrib/postgres/lookups.py

@@ -30,6 +30,21 @@ class Overlap(PostgresSimpleLookup):
     operator = '&&'
 
 
+class HasKey(PostgresSimpleLookup):
+    lookup_name = 'has_key'
+    operator = '?'
+
+
+class HasKeys(PostgresSimpleLookup):
+    lookup_name = 'has_keys'
+    operator = '?&'
+
+
+class HasAnyKeys(PostgresSimpleLookup):
+    lookup_name = 'has_any_keys'
+    operator = '?|'
+
+
 class Unaccent(FunctionTransform):
     bilateral = True
     lookup_name = 'unaccent'

docs/ref/contrib/postgres/fields.txt

@@ -385,6 +385,23 @@ Returns objects where the given key is in the data. Uses the SQL operator
     >>> Dog.objects.filter(data__has_key='owner')
     [<Dog: Meg>]
 
+.. fieldlookup:: hstorefield.has_any_keys
+
+has_any_keys
+~~~~~~~~~~~~
+
+.. versionadded:: 1.9
+
+Returns objects where any of the given keys are in the data. Uses the SQL
+operator ``?|``. For example::
+
+    >>> Dog.objects.create(name='Rufus', data={'breed': 'labrador'})
+    >>> Dog.objects.create(name='Meg', data={'owner': 'Bob'})
+    >>> Dog.objects.create(name='Fred', data={})
+
+    >>> Dog.objects.filter(data__has_any_keys=['owner', 'breed'])
+    [<Dog: Rufus>, <Dog: Meg>]
+
 .. fieldlookup:: hstorefield.has_keys
 
 has_keys

tests/postgres_tests/test_hstore.py

@@ -79,6 +79,12 @@ class TestQuerying(PostgresSQLTestCase):
             self.objs[1:2]
         )
 
+    def test_has_any_keys(self):
+        self.assertSequenceEqual(
+            HStoreModel.objects.filter(field__has_any_keys=['a', 'c']),
+            self.objs[:3]
+        )
+
     def test_key_transform(self):
         self.assertSequenceEqual(
             HStoreModel.objects.filter(field__a='b'),