From 73796f3e543a121b51a0fe2eb08d1faab255e53b Mon Sep 17 00:00:00 2001
From: Jan Dittberner <jan@dittberner.info>
Date: Sun, 7 Nov 2010 22:19:36 +0100
Subject: fix generation of foreign key constraint name in
 migrate.changeset.constraint.ForeignKeyConstraint.autoname

use <table>_<firstcol>_fkey instead of <table>_<reftable>_fkey

Fixes Issue 101
---
 migrate/changeset/constraint.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'migrate/changeset/constraint.py')

diff --git a/migrate/changeset/constraint.py b/migrate/changeset/constraint.py
index 2e2ec7f..34b2d1a 100644
--- a/migrate/changeset/constraint.py
+++ b/migrate/changeset/constraint.py
@@ -126,9 +126,9 @@ class ForeignKeyConstraint(ConstraintChangeset, schema.ForeignKeyConstraint):
 
     def autoname(self):
         """Mimic the database's automatic constraint names"""
-        ret = "%(table)s_%(reftable)s_fkey" % dict(
+        ret = "%(table)s_%(firstcolumn)s_fkey" % dict(
             table=self.table.name,
-            reftable=self.reftable.name,)
+            firstcolumn=self.columns[0],)
         return ret
 
 
-- 
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