From ec89c90724282acf228c721fe18f8bcae7e18bd0 Mon Sep 17 00:00:00 2001
From: szpyxlwoni <blasphemymoon@gmail.com>
Date: Thu, 22 Nov 2012 11:55:50 +0800
Subject: [PATCH] add a script for remove duplicate membership

---
 script/remove_dup_membership.rb | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 script/remove_dup_membership.rb

diff --git a/script/remove_dup_membership.rb b/script/remove_dup_membership.rb
new file mode 100644
index 0000000..e0020f0
--- /dev/null
+++ b/script/remove_dup_membership.rb
@@ -0,0 +1,7 @@
+h = Hash.new
+Membership.find(:all).each{|membership|
+  if mem = h[[membership.person_id,membership.team_id]]
+     Membership.destroy(mem)
+  end
+  h[[membership.person_id,membership.team_id]] = membership
+}