1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20191118182722_add_index_to_environments_on_project_id_state_environment_type.rb b/db/migrate/20191118182722_add_index_to_environments_on_project_id_state_environment_type.rb
new file mode 100644
index 00000000000..b88a1f01d79
--- /dev/null
+++ b/db/migrate/20191118182722_add_index_to_environments_on_project_id_state_environment_type.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddIndexToEnvironmentsOnProjectIdStateEnvironmentType < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  OLD_INDEX_NAME = 'index_environments_on_project_id_and_state'.freeze
+  NEW_INDEX_NAME = 'index_environments_on_project_id_state_environment_type'.freeze
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:environments, [:project_id, :state, :environment_type], name: NEW_INDEX_NAME)
+    remove_concurrent_index_by_name(:environments, OLD_INDEX_NAME)
+  end
+
+  def down
+    add_concurrent_index(:environments, [:project_id, :state], name: OLD_INDEX_NAME)
+    remove_concurrent_index_by_name(:environments, NEW_INDEX_NAME)
+  end
+end