module Kaminari::ActiveRecordRelationMethods
def entry_name(options = {})
def entry_name(options = {}) default = options[:count] == 1 ? model_name.human : model_name.human.pluralize model_name.human(options.reverse_merge(default: default)) end
def reset #:nodoc:
def reset #:nodoc: @total_count = nil super end
def total_count(column_name = :all, _options = nil) #:nodoc:
def total_count(column_name = :all, _options = nil) #:nodoc: return @total_count if defined?(@total_count) && @total_count # There are some cases that total count can be deduced from loaded records if loaded? # Total count has to be 0 if loaded records are 0 return @total_count = 0 if (current_page == 1) && @records.empty? # Total count is calculable at the last page return @total_count = (current_page - 1) * limit_value + @records.length if @records.any? && (@records.length < limit_value) end # #count overrides the #select which could include generated columns referenced in #order, so skip #order here, where it's irrelevant to the result anyway c = except(:offset, :limit, :order) # Remove includes only if they are irrelevant c = c.except(:includes) unless references_eager_loaded_tables? c = c.limit(max_pages * limit_value) if max_pages && max_pages.respond_to?(:*) # .group returns an OrderedHash that responds to #count c = c.count(column_name) @total_count = if c.is_a?(Hash) || c.is_a?(ActiveSupport::OrderedHash) c.count elsif c.respond_to? :count c.count(column_name) else c end end
def without_count
Pro: paginates without casting an extra SELECT COUNT query
Note that the "without count mode" is supposed to be performant but has a feature limitation.
Turn this Relation to a "without count mode" Relation.
def without_count extend ::Kaminari::PaginatableWithoutCount end