# See http://doc.gitlab.com/ce/development/migration_style_guide.html# for more information on how to write migrations for GitLab.classRemoveProjectsPushesSinceGc<ActiveRecord::MigrationincludeGitlab::Database::MigrationHelpersDOWNTIME=trueDOWNTIME_REASON='This migration removes an existing column'disable_ddl_transaction!defupremove_column:projects,:pushes_since_gcenddefdown