{"provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmemo.furyutei.com%2Fentry%2F20140117%2F1389954589\" title=\" PostgreSQL 9.x \u306b pg_trgm \u3092\u5f8c\u304b\u3089\u8ffd\u52a0 - \u98a8\u67f3\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"LIKE \u691c\u7d22\u7b49\u3067\u306f\u901a\u5e38\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9(btree)\u304c\u4f7f\u3048\u306a\u3044*1 \u2026\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u8b58\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001 jcomi_db=# SET ENABLE_SEQSCAN=OFF; jcomi_db=# EXPLAIN ANALYZE SELECT COUNT(*) FROM t_book_info WHERE book_title LIKE '%\u30e9\u30d6\u3072\u306a%'; QUERY PLAN ------------------------------------------------------------------------------------------------------------\u2026","title":" PostgreSQL 9.x \u306b pg_trgm \u3092\u5f8c\u304b\u3089\u8ffd\u52a0","blog_title":"\u98a8\u67f3\u30e1\u30e2","version":"1.0","published":"2014-01-17 19:29:49","author_url":"https://blog.hatena.ne.jp/furyu-tei/","provider_url":"https://hatena.blog","width":"100%","categories":[],"author_name":"furyu-tei","height":"190","image_url":null,"blog_url":"https://memo.furyutei.com/","url":"https://memo.furyutei.com/entry/20140117/1389954589"}