materialized-view

class CreateTopSellersMv < ActiveRecord::Migration[7.0]
  def up
    execute <<~SQL
      CREATE MATERIALIZED VIEW top_sellers AS
        SELECT p.id            AS product_id,
               p.name          AS product_name,

CREATE TABLE daily_events (
    id          BIGSERIAL PRIMARY KEY,
    category    TEXT        NOT NULL,
    item_id     BIGINT      NOT NULL,
    score       NUMERIC(10,2) NOT NULL DEFAULT 0,
    occurred_at TIMESTAMPTZ NOT NULL DEFAULT now()