Ticket #966: notlike.diff

core/db/backends/ado_mssql.py

@@ -132 +132 @@
     'endswith': 'LIKE %s',
     'istartswith': 'LIKE %s',
     'iendswith': 'LIKE %s',
+    'notcontains': 'NOT LIKE %s',
+    'notstartswith': 'NOT LIKE %s',
+    'notendswith': 'NOT LIKE %s',
+    'inotcontains': 'NOT LIKE %s',
+    'inotstartswith': 'NOT LIKE %s',
+    'inotendswith': 'NOT LIKE %s',
 }
 
 DATA_TYPES = {

core/db/backends/postgresql.py

@@ -151 +151 @@
     'endswith': 'LIKE %s',
     'istartswith': 'ILIKE %s',
     'iendswith': 'ILIKE %s',
+    'notcontains': 'NOT LIKE %s',
+    'notstartswith': 'NOT LIKE %s',
+    'notendswith': 'NOT LIKE %s',
+    'inotcontains': 'NOT ILIKE %s',
+    'inotstartswith': 'NOT ILIKE %s',
+    'inotendswith': 'NOT ILIKE %s',
 }
 
 # This dictionary maps Field objects to their associated PostgreSQL column

core/db/backends/sqlite3.py

@@ -153 +153 @@
     'endswith': "LIKE %s ESCAPE '\\'",
     'istartswith': "LIKE %s ESCAPE '\\'",
     'iendswith': "LIKE %s ESCAPE '\\'",
+    'notcontains': "NOT LIKE %s ESCAPE '\\'",
+    'notstartswith': "NOT LIKE %s ESCAPE '\\'",
+    'notendswith': "NOT LIKE %s ESCAPE '\\'",
+    'inotcontains': "NOT LIKE %s ESCAPE '\\'",
+    'inotstartswith': "NOT LIKE %s ESCAPE '\\'",
+    'inotendswith': "NOT LIKE %s ESCAPE '\\'",
 }
 
 # SQLite doesn't actually support most of these types, but it "does the right

core/db/backends/mysql.py

@@ -146 +146 @@
     'endswith': 'LIKE BINARY %s',
     'istartswith': 'LIKE %s',
     'iendswith': 'LIKE %s',
+    'notcontains': 'NOT LIKE BINARY %s',
+    'notstartswith': 'NOT LIKE BINARY %s',
+    'notendswith': 'NOT LIKE BINARY %s',
+    'inotcontains': 'NOT LIKE %s',
+    'inotstartswith': 'NOT LIKE %s',
+    'inotendswith': 'NOT LIKE %s',
 }
 
 # This dictionary maps Field objects to their associated MySQL column

core/meta/fields.py

@@ -181 +181 @@
             return value
         elif lookup_type == 'year':
             return ['%s-01-01' % value, '%s-12-31' % value]
-        elif lookup_type in ('contains', 'icontains'):
+        elif lookup_type in ('contains', 'icontains', 'notcontains', 'inotcontains'):
             return ["%%%s%%" % prep_for_like_query(value)]
         elif lookup_type == 'iexact':
             return [prep_for_like_query(value)]
-        elif lookup_type in ('startswith', 'istartswith'):
+        elif lookup_type in ('startswith', 'istartswith', 'notstartswith', 'inotstartswith'):
             return ["%s%%" % prep_for_like_query(value)]
-        elif lookup_type in ('endswith', 'iendswith'):
+        elif lookup_type in ('endswith', 'iendswith', 'notendswith', 'inotendswith'):
             return ["%%%s" % prep_for_like_query(value)]
         elif lookup_type == 'isnull':
             return []