debian-mirror-gitlab/lib/gitlab/database/count/exact_count_strategy.rb
2019-10-12 21:52:04 +05:30

29 lines
716 B
Ruby

# frozen_string_literal: true
module Gitlab
module Database
module Count
# This strategy performs an exact count on the model.
#
# This is guaranteed to be accurate, however it also scans the
# whole table. Hence, there are no guarantees with respect
# to runtime.
#
# Note that for very large tables, this may even timeout.
class ExactCountStrategy
attr_reader :models
def initialize(models)
@models = models
end
def count
models.each_with_object({}) do |model, data|
data[model] = model.count
end
rescue *CONNECTION_ERRORS
{}
end
end
end
end
end