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Unicode Collation Algorithm - tmtms ã®ãƒ¡ãƒ¢
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yukung 2017/02/11
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MySQL ã¨å¯¿å¸ãƒ“ãƒ¼ãƒ«å•é¡Œ - ã‹ã¿ã½ã‚ãƒ¼ã‚‹
MySQL ã¨ Unicode Collation Algorithm (UCA) - ã‹ã¿ã½ã‚ãƒ¼ã‚‹ ã«é–¢é€£ã™ã‚‹ãƒˆãƒ”ãƒƒã‚¯ã§ã€ MySQL ã«ã¯å¯¿å¸ãƒ“ãƒ¼ãƒ«å•é¡Œã¨ã„ã†ã®ãŒã‚ã‚‹ã€‚ å¯¿å¸ãƒ“ãƒ¼ãƒ«å•é¡Œã©ã£ã‹ã§è©³ã—ããŠè©±ã‚’èžãã¹ãã ã‚ˆãªãã€‚ã€‚ã€‚â€” RKajiyama (@RKajiyama) March 18, 2015 ã“ã‚Œã¯ã©ã†ã„ã†å•é¡Œã‹ã¨ã„ã†ã¨ã€ MySQL ã® Unicode ã§ã¯ binary collation ã«ã—ã¦ã‚³ãƒ¼ãƒ‰ãƒã‚¤ãƒ³ãƒˆã§æ¯”è¼ƒã—ãªã„ã¨ðŸ£ã¨ðŸºã«é™ã‚‰ãšçµµæ–‡å—ãŒåŒå€¤åˆ¤å®šã•ã‚Œã‚‹ã¨ã„ã†å•é¡Œã§ã™ã€‚ ã‚ã‚Œï¼Ÿ MySQL ã® utf8mb4 charset ã£ã¦ã€4ãƒã‚¤ãƒˆæ–‡å—åŒå£«ã‚’æ¯”è¼ƒã™ã‚‹ã¨åŒã˜æ–‡å—æ‰±ã„ã•ã‚Œã‚‹ï¼Ÿ SELECT 'ðŸ£'='ðŸº' â†’ 1 MySQLçš„ã«ã¯å¯¿å¸ã¨ãƒ“ãƒ¼ãƒ«ã¯åŒã˜æ‰±ã„ã€‚â€” ã¨ã¿ãŸã¾ã•ã²ã‚ (@tmtms) December 22, 2014 MySQLã§ select
yukung 2017/02/11
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utf8_unicode_ci ã«å¯¾ã™ã‚‹æ—¥æœ¬ã®é–‹ç™ºè€…ã®è¦‹è§£ - ã‹ã¿ã½ã‚ãƒ¼ã‚‹
RailsãŒMySQLã®collationã‚’ã‚µãƒ¼ãƒãƒ¼å´ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®utf8_general_ciã‹ã‚‰utf8_unicode_ciã«ã‚ã–ã‚ã–å¤‰ãˆã¦ã‚‹ã®ã©ã†ã›å¤§ã—ãŸç†ç”±ã˜ã‚ƒãªã„ã ã‚ã¨æ€ã£ã¦æŽ˜ã£ã¦ã¿ãŸã‚‰ã‚„ã£ã±ã‚Šå¤§ã—ãŸç†ç”±ã˜ã‚ƒãªã‹ã£ãŸâ€¦ https://t.co/6NeetGhTF0â€” Ryuta Kamizono (@kamipo) April 18, 2014 Railsã§collationã¨ã—ã¦utf8_unicode_ci(Railsã®DEFAULT_COLLATION)ãŒæŽ¡ç”¨ã•ã‚Œã‚‹ã®ã¯charsetãŒæœªæŒ‡å®šã‚‚ã—ãã¯utf8(Railsã®DEFAULT_CHARSET)ã®ã¨ãã ã‘ã§ã€utf8mb4ã«ã™ã‚‹ã“ã¨ã¨ã‹ã¯å…¨ãè€ƒæ…®ã•ã‚Œã¦ãªã„ã€‚â€” Ryuta Kamizono (@kamipo) April 19, 2014 @frsyuki MySQLã®charset utf8ã®ã¨ãã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ
yukung 2015/03/09
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yukung 2011/12/06
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