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# frozen_string_literal: true
class PopulateProjectStatisticsPackagesSize < ActiveRecord::Migration[5.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
class ProjectStatistics < ActiveRecord::Base
self.table_name = 'project_statistics'
end
def up
stats_ids = ProjectStatistics.joins(
<<~SQL.strip_heredoc
INNER JOIN projects ON projects.id = project_statistics.project_id
INNER JOIN packages_packages ON packages_packages.project_id = projects.id
INNER JOIN packages_package_files ON packages_package_files.package_id = packages_packages.id
SQL
).distinct.select(:id)
packages_size = Arel.sql(
'(SELECT SUM(size) FROM packages_package_files ' \
'JOIN packages_packages ON packages_packages.id = packages_package_files.package_id ' \
'WHERE packages_packages.project_id = project_statistics.project_id)'
)
update_column_in_batches(:project_statistics, :packages_size, packages_size) do |table, query|
query.where(table[:id].in(stats_ids))
end
storage_size = Arel.sql('(repository_size + lfs_objects_size + build_artifacts_size + COALESCE(packages_size, 0))')
update_column_in_batches(:project_statistics, :storage_size, storage_size) do |table, query|
query.where(table[:id].in(stats_ids))
end
end
def down
storage_size = Arel.sql('(repository_size + lfs_objects_size + build_artifacts_size)')
update_column_in_batches(:project_statistics, :storage_size, storage_size) do |table, query|
query.where(table[:packages_size].gt(0))
end
update_column_in_batches(:project_statistics, :packages_size, nil)
end
end
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