From d934ea23e24880a5c784c9e5edf9ead5bc965a83 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sat, 11 Feb 2012 20:33:56 -0500
Subject: - figured out again why deannotate must clone() - got everything
 working.  just need to update error strings

---
 lib/sqlalchemy/sql/expression.py | 13 +++++++++----
 lib/sqlalchemy/sql/util.py       |  4 ++--
 lib/sqlalchemy/sql/visitors.py   |  6 +++---
 3 files changed, 14 insertions(+), 9 deletions(-)

(limited to 'lib/sqlalchemy/sql')

diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index ebf4de9a2..573ace47f 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -1589,7 +1589,7 @@ class ClauseElement(Visitable):
         """
         return sqlutil.Annotated(self, values)
 
-    def _deannotate(self, values=None):
+    def _deannotate(self, values=None, clone=False):
         """return a copy of this :class:`.ClauseElement` with annotations
         removed.
         
@@ -1597,9 +1597,14 @@ class ClauseElement(Visitable):
          to remove.
 
         """
-        # since we have no annotations we return
-        # self
-        return self
+        if clone:
+            # clone is used when we are also copying
+            # the expression for a deep deannotation
+            return self._clone()
+        else:
+            # if no clone, since we have no annotations we return
+            # self
+            return self
 
     def unique_params(self, *optionaldict, **kwargs):
         """Return a copy with :func:`bindparam()` elments replaced.
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py
index e4e2c00e1..2862e9af9 100644
--- a/lib/sqlalchemy/sql/util.py
+++ b/lib/sqlalchemy/sql/util.py
@@ -424,7 +424,7 @@ class Annotated(object):
         clone._annotations = values
         return clone
 
-    def _deannotate(self, values=None):
+    def _deannotate(self, values=None, clone=True):
         if values is None:
             return self.__element
         else:
@@ -498,7 +498,7 @@ def _deep_deannotate(element, values=None):
     """Deep copy the given element, removing annotations."""
 
     def clone(elem):
-        elem = elem._deannotate(values=values)
+        elem = elem._deannotate(values=values, clone=True)
         elem._copy_internals(clone=clone)
         return elem
 
diff --git a/lib/sqlalchemy/sql/visitors.py b/lib/sqlalchemy/sql/visitors.py
index 75e099f0d..cd178b716 100644
--- a/lib/sqlalchemy/sql/visitors.py
+++ b/lib/sqlalchemy/sql/visitors.py
@@ -222,13 +222,13 @@ def cloned_traverse(obj, opts, visitors):
         if elem in stop_on:
             return elem
         else:
-            if elem not in cloned:
-                cloned[elem] = newelem = elem._clone()
+            if id(elem) not in cloned:
+                cloned[id(elem)] = newelem = elem._clone()
                 newelem._copy_internals(clone=clone)
                 meth = visitors.get(newelem.__visit_name__, None)
                 if meth:
                     meth(newelem)
-            return cloned[elem]
+            return cloned[id(elem)]
 
     if obj is not None:
         obj = clone(obj)
-- 
cgit v1.2.1