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# frozen_string_literal: true
class CleanupGroupImportStatesWithNullUserId < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
# With BATCH_SIZE=1000 and group_import_states.count=600 on GitLab.com
# - 1 iteration will be run
# - each batch requires on average ~2500ms
# - 600 rows require on average ~1500ms
# Expected total run time: ~2500ms
BATCH_SIZE = 1000
disable_ddl_transaction!
class User < ActiveRecord::Base
self.table_name = 'users'
end
class Namespace < ActiveRecord::Base
self.table_name = 'namespaces'
belongs_to :owner, class_name: 'CleanupGroupImportStatesWithNullUserId::User'
end
class Member < ActiveRecord::Base
self.table_name = 'members'
self.inheritance_column = :_type_disabled
belongs_to :user, class_name: 'CleanupGroupImportStatesWithNullUserId::User'
end
class Group < Namespace
OWNER = 50
self.inheritance_column = :_type_disabled
def default_owner
owners.first || parent&.default_owner || owner
end
def parent
Group.find_by_id(parent_id)
end
def owners
Member.where(type: 'GroupMember', source_type: 'Namespace', source_id: id, requested_at: nil, access_level: OWNER).map(&:user)
end
end
class GroupImportState < ActiveRecord::Base
include ::EachBatch
self.table_name = 'group_import_states'
belongs_to :group, class_name: 'CleanupGroupImportStatesWithNullUserId::Group'
belongs_to :user, class_name: 'CleanupGroupImportStatesWithNullUserId::User'
end
def up
User.reset_column_information
Namespace.reset_column_information
Member.reset_column_information
Group.reset_column_information
GroupImportState.reset_column_information
GroupImportState.each_batch(of: BATCH_SIZE) do |batch|
batch.each do |group_import_state|
owner_id = Group.find_by_id(group_import_state.group_id)&.default_owner&.id
group_import_state.update!(user_id: owner_id) if owner_id
end
end
GroupImportState.where(user_id: nil).delete_all
end
def down
# no-op : can't go back to `NULL` without first dropping the `NOT NULL` constraint
end
end
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