Ticket #11487: base_with_tests.diff

django/db/backends/oracle/base.py

@@ -360 +360 @@
             # If parameter has `input_size` attribute, use that.
             self.input_size = param.input_size
         elif isinstance(param, basestring) and len(param) > 4000:
-            # Mark any string param greater than 4000 characters as an NCLOB.
-            self.input_size = Database.NCLOB
+            # Mark any string param greater than 4000 characters as a CLOB.
+            self.input_size = Database.CLOB
         else:
             self.input_size = None
 

tests/regressiontests/backends/tests.py

@@ -17 +17 @@
             return True
         else:
             return True
+            
+class LongString(unittest.TestCase):
 
+    def test_long_string(self):
+        # If the backend is Oracle, test that we can save a text longer
+        # than 4000 chars and read it properly
+        if settings.DATABASE_ENGINE == 'oracle':
+            c = connection.cursor()
+            c.execute('CREATE TABLE ltext ("TEXT" CLOB)')
+            transaction.commit_unless_managed()
+            long_str = ''.join( unicode(x) for x in xrange(4000) )
+            c.execute('INSERT INTO ltext VALUES (%s)',[long_str])
+            transaction.commit_unless_managed()
+            c.execute('SELECT text FROM ltext')
+            row = c.fetchone()
+            c.execute('DROP TABLE ltext')
+            transaction.commit_unless_managed()
+            self.assertEquals(long_str, row[0].read())
+
 def connection_created_test(sender, **kwargs):
     print 'connection_created signal'