{"description":"\u901f\u5ea6\u3092\u8a08\u6e2c\u3059\u308b\u7c21\u5358\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u624b\u306b\u5165\u308a\u307e\u3057\u305f\u3002 \u8a08\u6e2c\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u3001\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306b\u5909\u66f4\u3057\u307e\u3059\u3002 class User < ApplicationRecord class << self def benchmark_bulk_insert # create data instances = [] 1_000.times { instances << new(name: 'name', created_at: Time.current, updated_at: Time.current) } hashes = [] 1_000.times { hashes << { name: 'name'\u2026","categories":["ActiveRecord","\u6280","\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"],"height":"190","provider_url":"https://hatena.blog","title":"activerecord-import\u3092\u901f\u304f\u3064\u304b\u3046","provider_name":"Hatena Blog","version":"1.0","type":"rich","url":"https://ledsun.hatenablog.com/entry/2022/07/25/235626","author_name":"ledsun","published":"2022-07-25 23:56:26","blog_title":"@ledsun blog","author_url":"https://blog.hatena.ne.jp/ledsun/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fledsun.hatenablog.com%2Fentry%2F2022%2F07%2F25%2F235626\" title=\"activerecord-import\u3092\u901f\u304f\u3064\u304b\u3046 - @ledsun blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_url":"https://ledsun.hatenablog.com/"}