Remove notes index on updated_at

1 files changed, 32 insertions, 0 deletions

diff --git a/db/migrate/20181126153547_remove_notes_index_on_updated_at.rb b/db/migrate/20181126153547_remove_notes_index_on_updated_at.rb
new file mode 100644
index 00000000000..d7ca46b50e4
--- /dev/null
+++ b/db/migrate/20181126153547_remove_notes_index_on_updated_at.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveNotesIndexOnUpdatedAt < ActiveRecord::Migration[5.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index(*index_arguments)
+  end
+
+  def down
+    add_concurrent_index(*index_arguments)
+  end
+
+  private
+
+  def index_arguments
+    [
+      :notes,
+      [:updated_at],
+      {
+        name: 'index_notes_on_updated_at'
+      }
+    ]
+  end
+end