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# Follow up of CleanupNamespacelessPendingDeleteProjects and it cleans
# all projects with `pending_delete = true` and for which the
# namespace no longer exists.
class CleanupNonexistingNamespacePendingDeleteProjects < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
class Project < ActiveRecord::Base
self.table_name = 'projects'
include ::EachBatch
end
class Namespace < ActiveRecord::Base
self.table_name = 'namespaces'
end
def up
find_projects.each_batch do |batch|
args = batch.pluck(:id).map { |id| [id] }
NamespacelessProjectDestroyWorker.bulk_perform_async(args)
end
end
def down
# NOOP
end
private
def find_projects
projects = Project.arel_table
namespaces = Namespace.arel_table
namespace_query = namespaces.project(1)
.where(namespaces[:id].eq(projects[:namespace_id]))
.exists.not
# SELECT "projects"."id"
# FROM "projects"
# WHERE "projects"."pending_delete" = 't'
# AND (NOT (EXISTS
# (SELECT 1
# FROM "namespaces"
# WHERE "namespaces"."id" = "projects"."namespace_id")))
Project.where(projects[:pending_delete].eq(true))
.where(namespace_query)
.select(:id)
end
end
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