1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20210420012909_index_cluster_agent_tokens_on_last_used_at.rb b/db/migrate/20210420012909_index_cluster_agent_tokens_on_last_used_at.rb
new file mode 100644
index 00000000000..c1715d8ac29
--- /dev/null
+++ b/db/migrate/20210420012909_index_cluster_agent_tokens_on_last_used_at.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class IndexClusterAgentTokensOnLastUsedAt < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  OLD_INDEX = 'index_cluster_agent_tokens_on_agent_id'
+  NEW_INDEX = 'index_cluster_agent_tokens_on_agent_id_and_last_used_at'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :cluster_agent_tokens, 'agent_id, last_used_at DESC NULLS LAST', name: NEW_INDEX
+    remove_concurrent_index_by_name :cluster_agent_tokens, OLD_INDEX
+  end
+
+  def down
+    add_concurrent_index :cluster_agent_tokens, :agent_id, name: OLD_INDEX
+    remove_concurrent_index_by_name :cluster_agent_tokens, NEW_INDEX
+  end
+end