1 files changed, 16 insertions, 0 deletions
diff --git a/db/post_migrate/20221122155149_add_index_for_paths_on_non_projects.rb b/db/post_migrate/20221122155149_add_index_for_paths_on_non_projects.rb
new file mode 100644
index 00000000000..e9a90844550
--- /dev/null
+++ b/db/post_migrate/20221122155149_add_index_for_paths_on_non_projects.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class AddIndexForPathsOnNonProjects < Gitlab::Database::Migration[2.0]
+  TABLE_NAME = 'namespaces'
+  INDEX_NAME = 'index_namespaces_on_path_for_top_level_non_projects'
+  COLUMN = "(lower(path::text))"
+  CONDITIONS = "(parent_id IS NULL AND type::text <> 'Project'::text)"
+
+  def up
+    prepare_async_index TABLE_NAME, COLUMN, name: INDEX_NAME, where: CONDITIONS
+  end
+
+  def down
+    unprepare_async_index TABLE_NAME, COLUMN, name: INDEX_NAME
+  end
+end