Added support for istartswith and iendswith in database API

git-svn-id: http://code.djangoproject.com/svn/django/trunk@207 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/db/backends/mysql.py

@@ -99,7 +99,9 @@ OPERATOR_MAPPING = {
     'lt': '<',
     'lte': '<=',
     'startswith': 'LIKE',
-    'endswith': 'LIKE'
+    'endswith': 'LIKE',
+    'istartswith': 'ILIKE',
+    'iendswith': 'ILIKE',
 }
 
 # This dictionary maps Field objects to their associated MySQL column

django/core/db/backends/postgresql.py

@@ -93,7 +93,9 @@ OPERATOR_MAPPING = {
     'lt': '<',
     'lte': '<=',
     'startswith': 'LIKE',
-    'endswith': 'LIKE'
+    'endswith': 'LIKE',
+    'istartswith': 'ILIKE',
+    'iendswith': 'ILIKE',
 }
 
 # This dictionary maps Field objects to their associated PostgreSQL column

docs/db-api.txt

@@ -52,21 +52,29 @@ The DB API supports the following lookup types:
     ==========  ==============================================================
     Type        Description
     ==========  ==============================================================
-    exact       Exact match: ``polls.get_object(id__exact=14)``
+    exact       Exact match: ``polls.get_object(id__exact=14)``.
     iexact      Case-insensitive exact match:
                 ``polls.get_list(slug__iexact="foo")`` matches a slug of ``foo``,
                 ``FOO``, ``fOo``, etc.
     contains    Case-sensitive containment test:
                 ``polls.get_list(question__contains="spam")`` returns all polls
-                that contain "spam" in the question.
-    icontains   Case-insensitive containment test
-    gt          Greater than: ``polls.get_list(id__gt=4)``
-    gte         Greater than or equal to
-    lt          Less than
-    lte         Less than or equal to
+                that contain "spam" in the question. (PostgreSQL only. MySQL
+                doesn't support case-sensitive LIKE statements; ``contains``
+                will act like ``icontains`` for MySQL.)
+    icontains   Case-insensitive containment test.
+    gt          Greater than: ``polls.get_list(id__gt=4)``.
+    gte         Greater than or equal to.
+    lt          Less than.
+    lte         Less than or equal to.
     startswith  Case-sensitive starts-with:
-                ``polls.get_list(question_startswith="Would")``
-    endswith    Case-sensitive ends-with
+                ``polls.get_list(question_startswith="Would")``. (PostgreSQL
+                only. MySQL doesn't support case-sensitive LIKE statements;
+                ``startswith`` will act like ``istartswith`` for MySQL.)
+    endswith    Case-sensitive ends-with. (PostgreSQL only. MySQL doesn't
+                support case-sensitive LIKE statements; ``endswith`` will act
+                like ``iendswith`` for MySQL.)
+    istartswith Case-insensitive starts-with.
+    iendswith   Case-insensitive ends-with.
     range       Range test:
                 ``polls.get_list(pub_date__range=(start_date, end_date))``
                 returns all polls with a pub_date between ``start_date``