1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20200916120837_add_index_to_members_for_unaccepted_invitations.rb b/db/migrate/20200916120837_add_index_to_members_for_unaccepted_invitations.rb
new file mode 100644
index 00000000000..3b0e4b99eb5
--- /dev/null
+++ b/db/migrate/20200916120837_add_index_to_members_for_unaccepted_invitations.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddIndexToMembersForUnacceptedInvitations < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  INDEX_NAME = 'idx_members_created_at_user_id_invite_token'
+  INDEX_SCOPE = 'invite_token IS NOT NULL AND user_id IS NULL'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:members, :created_at, where: INDEX_SCOPE, name: INDEX_NAME)
+  end
+
+  def down
+    remove_concurrent_index(:members, :created_at, where: INDEX_SCOPE, name: INDEX_NAME)
+  end
+end