post_aggregate_order_by
order by aggregate values of table "post"
input post_aggregate_order_by {
avg: post_avg_order_by
count: order_by
max: post_max_order_by
min: post_min_order_by
stddev: post_stddev_order_by
stddev_pop: post_stddev_pop_order_by
stddev_samp: post_stddev_samp_order_by
sum: post_sum_order_by
var_pop: post_var_pop_order_by
var_samp: post_var_samp_order_by
variance: post_variance_order_by
}