debian-mirror-gitlab/db/migrate/20171216111734_clean_up_for_members.rb

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2018-03-17 18:26:18 +05:30
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class CleanUpForMembers < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
class Member < ActiveRecord::Base
include EachBatch
self.table_name = 'members'
end
def up
condition = <<~EOF.squish
invite_token IS NULL AND
NOT EXISTS (SELECT 1 FROM users WHERE users.id = members.user_id)
EOF
Member.each_batch(of: 10_000) do |batch|
batch.where(condition).delete_all
end
end
def down
end
end