1 files changed, 29 insertions, 0 deletions
diff --git a/db/migrate/20191204070713_change_updated_at_index_and_add_index_to_id_on_deployments.rb b/db/migrate/20191204070713_change_updated_at_index_and_add_index_to_id_on_deployments.rb
new file mode 100644
index 00000000000..450b276e689
--- /dev/null
+++ b/db/migrate/20191204070713_change_updated_at_index_and_add_index_to_id_on_deployments.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class ChangeUpdatedAtIndexAndAddIndexToIdOnDeployments < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  DOWNTIME = false
+
+  PROJECT_ID_INDEX_PARAMS = [[:project_id, :id], order: { id: :desc }]
+  OLD_UPDATED_AT_INDEX_PARAMS = [[:project_id, :updated_at]]
+  NEW_UPDATED_AT_INDEX_PARAMS = [[:project_id, :updated_at, :id], order: { updated_at: :desc, id: :desc }]
+
+  def up
+    add_concurrent_index :deployments, *NEW_UPDATED_AT_INDEX_PARAMS
+
+    remove_concurrent_index :deployments, *OLD_UPDATED_AT_INDEX_PARAMS
+
+    add_concurrent_index :deployments, *PROJECT_ID_INDEX_PARAMS
+  end
+
+  def down
+    add_concurrent_index :deployments, *OLD_UPDATED_AT_INDEX_PARAMS
+
+    remove_concurrent_index :deployments, *NEW_UPDATED_AT_INDEX_PARAMS
+
+    remove_concurrent_index :deployments, *PROJECT_ID_INDEX_PARAMS
+  end
+end