From 14d523265203d21152411b5f3c18843b09b23554 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 13 May 2010 15:53:18 -0400
Subject: - Added table.add_is_dependent_on(othertable), allows manual
 placement of dependency rules between two Table objects for use within
 create_all(), drop_all(), sorted_tables. [ticket:1801]

---
 lib/sqlalchemy/sql/util.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/sqlalchemy/sql')

diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py
index e4ebe9538..14ea42d2c 100644
--- a/lib/sqlalchemy/sql/util.py
+++ b/lib/sqlalchemy/sql/util.py
@@ -22,6 +22,11 @@ def sort_tables(tables):
         visitors.traverse(table, 
                             {'schema_visitor':True}, 
                             {'foreign_key':visit_foreign_key})
+
+        tuples.extend(
+            [parent, table] for parent in table._extra_dependencies
+        )
+                            
     return list(topological.sort(tuples, tables))
 
 def find_join_source(clauses, join_to):
-- 
cgit v1.2.1