diff -r b758351d191f -r cc9b7e14412b web/lib/django/contrib/gis/db/backends/oracle/compiler.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/gis/db/backends/oracle/compiler.py	Tue May 25 02:43:45 2010 +0200
@@ -0,0 +1,44 @@
+from django.contrib.gis.db.models.sql.compiler import GeoSQLCompiler as BaseGeoSQLCompiler
+from django.db.backends.oracle import compiler
+
+SQLCompiler = compiler.SQLCompiler
+
+class GeoSQLCompiler(BaseGeoSQLCompiler, SQLCompiler):
+    pass
+
+class SQLInsertCompiler(compiler.SQLInsertCompiler, GeoSQLCompiler):
+    def placeholder(self, field, val):
+        if field is None:
+            # A field value of None means the value is raw.
+            return val
+        elif hasattr(field, 'get_placeholder'):
+            # Some fields (e.g. geo fields) need special munging before
+            # they can be inserted.
+            ph = field.get_placeholder(val, self.connection)
+            if ph == 'NULL':
+                # If the placeholder returned is 'NULL', then we need to
+                # to remove None from the Query parameters. Specifically,
+                # cx_Oracle will assume a CHAR type when a placeholder ('%s')
+                # is used for columns of MDSYS.SDO_GEOMETRY.  Thus, we use
+                # 'NULL' for the value, and remove None from the query params.
+                # See also #10888.
+                param_idx = self.query.columns.index(field.column)
+                params = list(self.query.params)
+                params.pop(param_idx)
+                self.query.params = tuple(params)
+            return ph
+        else:
+            # Return the common case for the placeholder
+            return '%s'
+
+class SQLDeleteCompiler(compiler.SQLDeleteCompiler, GeoSQLCompiler):
+    pass
+
+class SQLUpdateCompiler(compiler.SQLUpdateCompiler, GeoSQLCompiler):
+    pass
+
+class SQLAggregateCompiler(compiler.SQLAggregateCompiler, GeoSQLCompiler):
+    pass
+
+class SQLDateCompiler(compiler.SQLDateCompiler, GeoSQLCompiler):
+    pass