1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210401192808_add_index_to_keys_on_expires_at_and_before_expiry_notification_undelivered.rb b/db/migrate/20210401192808_add_index_to_keys_on_expires_at_and_before_expiry_notification_undelivered.rb
new file mode 100644
index 00000000000..ff792d2e6e6
--- /dev/null
+++ b/db/migrate/20210401192808_add_index_to_keys_on_expires_at_and_before_expiry_notification_undelivered.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddIndexToKeysOnExpiresAtAndBeforeExpiryNotificationUndelivered < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'idx_keys_expires_at_and_before_expiry_notification_undelivered'
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :keys,
+                         "date(timezone('UTC', expires_at)), before_expiry_notification_delivered_at",
+                         where: 'before_expiry_notification_delivered_at IS NULL', name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name(:keys, INDEX_NAME)
+  end
+end