d9ae3db8d5
Express follow_recommendations in terms of account_summaries rather than accounts, integrate filters that are unconditionally used, and materialize the resulting view. This should result in the bulk of the computation being performed only once instead of **once per recommendation language**.
27 lines
654 B
Ruby
27 lines
654 B
Ruby
# frozen_string_literal: true
|
|
# == Schema Information
|
|
#
|
|
# Table name: follow_recommendations
|
|
#
|
|
# account_id :bigint(8) primary key
|
|
# rank :decimal(, )
|
|
# reason :text is an Array
|
|
#
|
|
|
|
class FollowRecommendation < ApplicationRecord
|
|
self.primary_key = :account_id
|
|
|
|
belongs_to :account_summary, foreign_key: :account_id
|
|
belongs_to :account, foreign_key: :account_id
|
|
|
|
scope :localized, ->(locale) { joins(:account_summary).merge(AccountSummary.localized(locale)) }
|
|
|
|
def self.refresh
|
|
Scenic.database.refresh_materialized_view(table_name, concurrently: true, cascade: false)
|
|
end
|
|
|
|
def readonly?
|
|
true
|
|
end
|
|
end
|