- draft sqlexpression tutorial

- added some generative methods to exists()
- got clause adapter to work with join()

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/sqlalchemy/sql_util.py b/lib/sqlalchemy/sql_util.py
index d91fbe4b5..cc6325822 100644
--- a/lib/sqlalchemy/sql_util.py
+++ b/lib/sqlalchemy/sql_util.py
@@ -163,6 +163,15 @@ class AbstractClauseProcessor(sql.NoColumnVisitor):
         if elem is not None:
             binary.right = elem
     
+    def visit_join(self, join):
+        elem = self.convert_element(join.left)
+        if elem is not None:
+            join.left = elem
+        elem = self.convert_element(join.right)
+        if elem is not None:
+            join.right = elem
+        join._init_primary_key()
+            
     def visit_select(self, select):
         fr = util.OrderedSet()
         for elem in select._froms:
@@ -173,7 +182,6 @@ class AbstractClauseProcessor(sql.NoColumnVisitor):
 
         col = []
         for elem in select._raw_columns:
-            print "RAW COLUMN", elem
             n = self.convert_element(elem)
             if n is None:
                 col.append(elem)