1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20210114033715_remove_group_id_title_index.rb b/db/migrate/20210114033715_remove_group_id_title_index.rb
new file mode 100644
index 00000000000..8d63da3d400
--- /dev/null
+++ b/db/migrate/20210114033715_remove_group_id_title_index.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class RemoveGroupIdTitleIndex < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_labels_on_group_id_and_title_with_null_project_id'
+  LABELS_TABLE = :labels
+
+  def up
+    remove_concurrent_index_by_name LABELS_TABLE, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index LABELS_TABLE, [:group_id, :title], where: 'project_id IS NULL', name: INDEX_NAME
+  end
+end