diff options
Diffstat (limited to 'rubocop/cop/migration/update_large_table.rb')
| -rw-r--r-- | rubocop/cop/migration/update_large_table.rb | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/rubocop/cop/migration/update_large_table.rb b/rubocop/cop/migration/update_large_table.rb deleted file mode 100644 index e44eadbdb92..00000000000 --- a/rubocop/cop/migration/update_large_table.rb +++ /dev/null @@ -1,49 +0,0 @@ -require_relative '../../migration_helpers' - -module RuboCop - module Cop - module Migration - # This cop checks for `add_column_with_default` on a table that's been - # explicitly blacklisted because of its size. - # - # Even though this helper performs the update in batches to avoid - # downtime, using it with tables with millions of rows still causes a - # significant delay in the deploy process and is best avoided. - # - # See https://gitlab.com/gitlab-com/infrastructure/issues/1602 for more - # information. - class UpdateLargeTable < RuboCop::Cop::Cop - include MigrationHelpers - - MSG = 'Using `%s` on the `%s` table will take a long time to ' \ - 'complete, and should be avoided unless absolutely ' \ - 'necessary'.freeze - - BATCH_UPDATE_METHODS = %w[ - :add_column_with_default - :change_column_type_concurrently - :rename_column_concurrently - :update_column_in_batches - ].join(' ').freeze - - def_node_matcher :batch_update?, <<~PATTERN - (send nil? ${#{BATCH_UPDATE_METHODS}} $(sym ...) ...) - PATTERN - - def on_send(node) - return unless in_migration?(node) - - matches = batch_update?(node) - return unless matches - - update_method = matches.first - table = matches.last.to_a.first - - return unless BLACKLISTED_TABLES.include?(table) - - add_offense(node, location: :expression, message: format(MSG, update_method, table)) - end - end - end - end -end |