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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
class DestroyInvalidGroupMembers < Gitlab::BackgroundMigration::BatchedMigrationJob # rubocop:disable Style/Documentation
scope_to ->(relation) do
relation.where(source_type: 'Namespace')
.joins('LEFT OUTER JOIN namespaces ON members.source_id = namespaces.id')
.where(namespaces: { id: nil })
end
def perform
each_sub_batch(operation_name: :delete_all) do |sub_batch|
invalid_ids = sub_batch.map(&:id)
Gitlab::AppLogger.info({ message: 'Removing invalid group member records',
deleted_count: invalid_ids.size, ids: invalid_ids })
sub_batch.delete_all
end
end
end
end
end
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