count(*args)
public
Count the number of associated records. All arguments are optional.
# File activerecord/lib/active_record/associations/has_many_association.rb, line 5
def count(*args)
if @reflection.options[:counter_sql]
@reflection.klass.count_by_sql(@counter_sql)
elsif @reflection.options[:finder_sql]
@reflection.klass.count_by_sql(@finder_sql)
else
column_name, options = @reflection.klass.send(:construct_count_options_from_args, *args)
options[:conditions] = options[:conditions].blank? ?
@finder_sql :
@finder_sql + " AND (#{sanitize_sql(options[:conditions])})"
options[:include] ||= @reflection.options[:include]
@reflection.klass.count(column_name, options)
end
end
