remove limit, introduced unnecessary complexity

isso/db.py

@@ -51,7 +51,7 @@ class Abstract:
         return
 
     @abc.abstractmethod
-    def retrieve(self, path, limit=20):
+    def retrieve(self, path, mode):
         return
 
 
@@ -145,10 +145,10 @@ class SQLite(Abstract):
                     (None, path, id))
         return self.get(path, id)
 
-    def retrieve(self, path, limit=20, mode=1):
+    def retrieve(self, path, mode=1):
         with sqlite3.connect(self.dbpath) as con:
             rv = con.execute("SELECT * FROM comments WHERE path=? AND (? | mode) = ?" \
-               + " ORDER BY id ASC LIMIT ?;", (path, mode, mode, limit)).fetchall()
+               + " ORDER BY id ASC;", (path, mode, mode)).fetchall()
 
         for item in rv:
             yield self.query2comment(item)

specs/test_comment.py

@@ -53,7 +53,7 @@ class TestComments(unittest.TestCase):
 
     def testCreateAndGetMultiple(self):
 
-        for i in range(100):
+        for i in range(20):
             self.post('/comment/path/new', data=json.dumps(comment(text='Spam')))
 
         r = self.get('/comment/path/')
@@ -61,7 +61,6 @@ class TestComments(unittest.TestCase):
 
         rv = json.loads(r.data)
         assert len(rv) == 20
-        # XXX limit=100
 
     def testGetInvalid(self):