From ef1223dd3a1c6c136d7671e5ad5d14ad11d3698a Mon Sep 17 00:00:00 2001
From: Toshi MARUYAMA <marutosijp2@yahoo.co.jp>
Date: Thu, 3 Nov 2011 08:01:41 +0000
Subject: scm: db: model: add parent/child relation for changesets (#5501)
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Contributed by Jan Topiński.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7710 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 db/migrate/20110902000000_create_changeset_parents.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 db/migrate/20110902000000_create_changeset_parents.rb

(limited to 'db')

diff --git a/db/migrate/20110902000000_create_changeset_parents.rb b/db/migrate/20110902000000_create_changeset_parents.rb
new file mode 100644
index 000000000..e679d3f91
--- /dev/null
+++ b/db/migrate/20110902000000_create_changeset_parents.rb
@@ -0,0 +1,14 @@
+class CreateChangesetParents < ActiveRecord::Migration
+  def self.up
+    create_table :changeset_parents, :id => false do |t|
+      t.column :changeset_id, :integer, :null => false
+      t.column :parent_id, :integer, :null => false
+    end
+    add_index :changeset_parents, [:changeset_id], :unique => false, :name => :changeset_parents_changeset_ids
+    add_index :changeset_parents, [:parent_id], :unique => false, :name => :changeset_parents_parent_ids
+  end
+
+  def self.down
+     drop_table :changeset_parents
+  end
+end
-- 
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