1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20220125122725_add_topics_non_private_projects_count_index.rb b/db/migrate/20220125122725_add_topics_non_private_projects_count_index.rb
new file mode 100644
index 00000000000..46b4d298a2e
--- /dev/null
+++ b/db/migrate/20220125122725_add_topics_non_private_projects_count_index.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddTopicsNonPrivateProjectsCountIndex < Gitlab::Database::Migration[1.0]
+  INDEX_NAME = 'index_topics_non_private_projects_count'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :topics, [:non_private_projects_count, :id], order: { non_private_projects_count: :desc }, name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :topics, INDEX_NAME
+  end
+end