Add index to routes table on lower path for postgresqldz-create-routes-lower-index

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/db/migrate/20161212142807_add_lower_path_index_to_routes.rb b/db/migrate/20161212142807_add_lower_path_index_to_routes.rb
new file mode 100644
index 00000000000..6958500306f
--- /dev/null
+++ b/db/migrate/20161212142807_add_lower_path_index_to_routes.rb
@@ -0,0 +1,22 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddLowerPathIndexToRoutes < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    return unless Gitlab::Database.postgresql?
+
+    execute 'CREATE INDEX CONCURRENTLY index_on_routes_lower_path ON routes (LOWER(path));'
+  end
+
+  def down
+    return unless Gitlab::Database.postgresql?
+
+    remove_index :routes, name: :index_on_routes_lower_path
+  end
+end