X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=ldapdb%2Fmodels%2Fquery.py;h=a8c614f7ccfe6a2ee487ac35b38bb474951efa0c;hb=ab216ac000ca0b6aeea64d9ce112395bbb7962d5;hp=463ecf6b2305e0bb74975652801c2c536a817be6;hpb=85099b38b796976f9a9f3a86f094e37548fd47f8;p=matthijs%2Fupstream%2Fdjango-ldapdb.git

diff --git a/ldapdb/models/query.py b/ldapdb/models/query.py
index 463ecf6..a8c614f 100644
--- a/ldapdb/models/query.py
+++ b/ldapdb/models/query.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # 
 # django-ldapdb
-# Copyright (C) 2009 Bolloré telecom
+# Copyright (C) 2009-2010 Bolloré telecom
 # See AUTHORS file for a full list of contributors.
 # 
 # This program is free software: you can redistribute it and/or modify
@@ -21,7 +21,6 @@
 from copy import deepcopy
 import ldap
 
-from django.db.models.fields import Field
 from django.db.models.query import QuerySet as BaseQuerySet
 from django.db.models.query_utils import Q
 from django.db.models.sql import Query as BaseQuery
@@ -29,6 +28,16 @@ from django.db.models.sql.where import WhereNode as BaseWhereNode, Constraint as
 
 import ldapdb
 
+from ldapdb.models.fields import CharField
+
+def get_lookup_operator(lookup_type):
+    if lookup_type == 'gte':
+        return '>='
+    elif lookup_type == 'lte':
+        return '<='
+    else:
+        return '='
+
 class Constraint(BaseConstraint):
     """
     An object that can be passed to WhereNode.add() and knows how to
@@ -42,19 +51,12 @@ class Constraint(BaseConstraint):
         # Because of circular imports, we need to import this here.
         from django.db.models.base import ObjectDoesNotExist
 
-        if lookup_type == 'endswith':
-            params = ["*%s" % value]
-        elif lookup_type == 'startswith':
-            params = ["%s*" % value]
-        elif lookup_type == 'exact':
-            params = [value]
-        else:
-            raise TypeError("Field has invalid lookup: %s" % lookup_type)
-
         try:
             if self.field:
+                params = self.field.get_db_prep_lookup(lookup_type, value)
                 db_type = self.field.db_type()
             else:
+                params = CharField().get_db_prep_lookup(lookup_type, value)
                 db_type = None
         except ObjectDoesNotExist:
             raise EmptyShortCircuit
@@ -79,17 +81,20 @@ class WhereNode(BaseWhereNode):
             if isinstance(item, WhereNode):
                 bits.append(item.as_sql())
                 continue
-            if len(item) == 4:
-                # django 1.1
-                (table, column, type), x, y, values = item
-            else:
-                # django 1.0
-                table, column, type, x, y, values = item
-            equal_bits = [ "(%s=%s)" % (column, value) for value in values ]
-            if len(equal_bits) == 1:
-                clause = equal_bits[0]
+            constraint, x, y, values = item
+            if hasattr(constraint, "col"):
+                # django 1.2
+                comp = get_lookup_operator(constraint.lookup_type)
+                clause = "(%s%s%s)" % (constraint.col, comp, values)
             else:
-                clause = '(|%s)' % ''.join(equal_bits)
+                # django 1.1
+                (table, column, db_type) = constraint
+                comp = get_lookup_operator(x)
+                equal_bits = [ "(%s%s%s)" % (column, comp, value) for value in values ]
+                if len(equal_bits) == 1:
+                    clause = equal_bits[0]
+                else:
+                    clause = '(|%s)' % ''.join(equal_bits)
             if self.negated:
                 bits.append('(!%s)' % clause)
             else: