Adds index on issues nested set columns.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3578 e93f8b46-1217-0410-a6f0-8f06a7374b81

Adds index on issues nested set columns.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3578 e93f8b46-1217-0410-a6f0-8f06a7374b81
8cc519e7 · Jean-Philippe Lang · 508df4a3 · 8cc519e7
Commit 8cc519e7 authored Mar 13, 2010 by Jean-Philippe Lang
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20100313171051_add_index_on_issues_nested_set.rb db/migrate/20100313171051_add_index_on_issues_nested_set.rb +9 -0

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--- a/db/migrate/20100313171051_add_index_on_issues_nested_set.rb
+++ b/db/migrate/20100313171051_add_index_on_issues_nested_set.rb
+class AddIndexOnIssuesNestedSet < ActiveRecord::Migration
+  def self.up
+    add_index :issues, [:root_id, :lft, :rgt]
+  end
+
+  def self.down
+    remove_index :issues, [:root_id, :lft, :rgt]
+  end
+end