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# frozen_string_literal: true
desc 'Show a list of obsolete `ignored_columns`'
task 'db:obsolete_ignored_columns' => :environment do
list = Gitlab::Database::ObsoleteIgnoredColumns.new.execute
if list.empty?
puts 'No obsolete `ignored_columns` definitions found.'
else
puts 'The following `ignored_columns` definitions are obsolete and can be removed:'
list.each do |name, ignored_columns|
puts "#{name}:"
ignored_columns.each do |column, removal|
puts " - #{column.ljust(30)} Remove after #{removal.remove_after} with #{removal.remove_with}"
end
end
puts <<~TEXT
WARNING: Removing columns is tricky because running GitLab processes may still be using the columns.
See also https://docs.gitlab.com/ee/development/avoiding_downtime_in_migrations.html#dropping-columns
TEXT
end
end
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