Rails5 ã® or クエリãŒãƒã‚°ã‚’誘発ã—ãã†ã§è¶…怖ㄠ- モンモンブãƒã‚°Rails5 ã«ãªã£ã¦ ActiveRecord ã« or クエリãŒå°Žå…¥ã•ã‚Œã¾ã—ãŸã€‚早速ã€æ—¢å˜ã®ã‚³ãƒ¼ãƒ‰ã‚’書ãæ›ãˆã‚ˆã†ã¨ã—ãŸã‚“ã§ã™ãŒã€ã‹ãªã‚Šæ…Žé‡ã«ä½¿ã‚ãªã„ã¨çµåˆé †åºã®ãƒ¯ãƒŠã«åµŒã£ã¦ãƒã‚°ã‚Šãã†ã§æ€–ã„ã§ã™ã€‚ ã“ã®ã‚ˆã†ãªï¼ˆé–“ã®æŠœã‘ãŸï¼‰ã‚³ãƒ¼ãƒ‰ãŒã‚ã£ãŸã¨ã—ã¾ã™ã€‚ Country. where(id: 1). where("id = ? OR id = ?", 1, 2). pluck(:id) 生æˆã•ã‚Œã‚‹ SQL ã¯ã“ã†ã§ã€ SELECT "countries"."id" FROM "countries" WHERE "countries"."id" = $1 AND (id = 1 OR id = 2) [["id", 1]] 実行çµæžœã¯ã“ã†ã€‚ [ [0] 1 ] ã“れをã€or クエリを用ã„ã¦ç´ ç›´ã«æ›¸ãæ›ãˆã¦ã¿ã¾ã™ã€‚ Country. where(id: 1). where(id: 1).or(Cou
tail -f pinzo.log: Arelã§ã®OR検索ã¤ã„ã§ã«ã”ã«ã‚‡ã”ã«ã‚‡ã„ã˜ã£ã¦ã¿ãŸ
Defined-or演算å「//〠- Perl入門ゼミ
{{#tags}}- {{label}}
{{/tags}}