1 files changed, 15 insertions, 0 deletions
diff --git a/db/post_migrate/20230913120111_remove_prepared_at_created_at_index_async.rb b/db/post_migrate/20230913120111_remove_prepared_at_created_at_index_async.rb
new file mode 100644
index 00000000000..8507ebfe1ec
--- /dev/null
+++ b/db/post_migrate/20230913120111_remove_prepared_at_created_at_index_async.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class RemovePreparedAtCreatedAtIndexAsync < Gitlab::Database::Migration[2.1]
+  INDEX_NAME = 'index_merge_requests_on_id_and_prepared_at'
+
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index_by_name :merge_requests, name: INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index :merge_requests, :id, name: INDEX_NAME, where: "prepared_at IS NULL"
+  end
+end