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-rw-r--r--rubocop/cop/migration/add_column.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/rubocop/cop/migration/add_column.rb b/rubocop/cop/migration/add_column.rb
index 1490fcdd814..d2cf36c454a 100644
--- a/rubocop/cop/migration/add_column.rb
+++ b/rubocop/cop/migration/add_column.rb
@@ -8,10 +8,10 @@ module RuboCop
class AddColumn < RuboCop::Cop::Cop
include MigrationHelpers
- WHITELISTED_TABLES = [:application_settings]
+ WHITELISTED_TABLES = [:application_settings].freeze
MSG = '`add_column` with a default value requires downtime, ' \
- 'use `add_column_with_default` instead'
+ 'use `add_column_with_default` instead'.freeze
def on_send(node)
return unless in_migration?(node)