{"id":537,"date":"2006-01-26T02:00:00","date_gmt":"2006-01-25T17:00:00","guid":{"rendered":"https:\/\/ecoop.net\/memo\/2006-01-26-2.html"},"modified":"2026-08-10T14:33:59","modified_gmt":"2026-08-10T05:33:59","slug":"2006-01-26-2","status":"publish","type":"post","link":"https:\/\/www.ecoop.net\/memo\/archives\/2006-01-26-2.html","title":{"rendered":"\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u306e\u8a71"},"content":{"rendered":"

\n\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u3092\u3046\u307e\u304f\u4f7f\u3046\u3068\u3001
\n\u30fbMyISAM \u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a
\n\u30fbMyISAM \u3067(InnoDB \u3092\u4f7f\u308f\u305a\u306b)\u7c21\u6613\u7684\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e00\u90e8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u308b
\n\u3068\u3044\u3046\u3046\u307e\u307f\u304c\u3042\u308b\u3002(InnoDB, BDB \u3060\u3068\u9006\u52b9\u679c\u306b\u306a\u308a\u3046\u308b\u3002
\n 
\n\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u306e\u57fa\u672c\u7684\u306a\u30af\u30a8\u30ea\u306f\u6b21\u306e\u3068\u304a\u308a\u3002
\n 
\n– \u8aad\u307f\u8fbc\u307f\u30ed\u30c3\u30af<\/p>\n

LOCK TABLES foo READ\n<\/p><\/blockquote>\n

\u30c6\u30fc\u30d6\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u30ed\u30c3\u30af\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ed\u30c3\u30af\u4e2d\u306f\u73fe\u5728\u306e\u63a5\u7d9a(\u3068\u540c\u6642\u306b\u5b9f\u884c\u4e2d\u306e\u4ed6\u306e\u5168\u3066\u306e\u63a5\u7d9a)\u3067\u3001\u6307\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb(\u4f8b\u3067\u306f `foo`)\u306e\u66f4\u65b0\u304c\u4e00\u5207\u3067\u304d\u306a\u304f\u306a\u308b\u3002
\n\u8907\u6570\u306e\u53c2\u7167\u7cfb\u30af\u30a8\u30ea\u3092\u9023\u7d9a\u3067\u9001\u308b\u6642\u306b\u3001\u9014\u4e2d\u3067\u30c7\u30fc\u30bf\u304c\u66f8\u304d\u304b\u308f\u308b\u3068\u56f0\u308b\u5834\u5408\u306b\u5229\u7528\u3059\u308b\u3002\u30b5\u30d6\u30af\u30a8\u30ea\u306a\u3069\u3092\u4f7f\u3063\u3066\uff11\u30af\u30a8\u30ea\u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u4e0d\u8981\u3002
\n 
\n\u5225\u306e\u63a5\u7d9a\u3067\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u8aad\u307f\u8fbc\u307f\u30ed\u30c3\u30af\u3092\u7372\u5f97\u3059\u308b\u307e\u3067\u5f85\u3061\u306b\u5165\u308b\u3002
\n\u306a\u304a\u3001\u8aad\u307f\u8fbc\u307f\u30ed\u30c3\u30af\u306f\u6027\u8cea\u7684\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3082\u306e\u3067\u306f\u306a\u3055\u305d\u3046\u3002
\n 
\n– \u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\n<\/p>\n

LOCK TABLES foo WRITE\n<\/p><\/blockquote>\n

\u30c6\u30fc\u30d6\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ed\u30c3\u30af\u4e2d\u306f\u73fe\u5728\u306e\u63a5\u7d9a\u4ee5\u5916\u304b\u3089\u3057\u304b\u8aad\u307f\u66f8\u304d\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u3002\u65e2\u306b\u30ed\u30c3\u30af(\u8aad\u307f\/\u66f8\u304d\u3044\u305a\u308c\u304b)\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u30ed\u30c3\u30af\u304c\u7372\u5f97\u3067\u304d\u308b\u307e\u3067\u5f85\u3061\u306b\u5165\u308b\u3002\u307e\u305f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 READ \u3088\u308a\u3082\u512a\u5148\u5ea6\u304c\u9ad8\u3044\u3002
\n 
\n\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\u306b\u3088\u3063\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u306f\u3001\u51e6\u7406\u6642\u9593\u306e\u77ed\u3044\u30af\u30a8\u30ea\u3092\u591a\u304f\u5b9f\u884c\u3059\u308b\u5834\u5408(\u30ed\u30c3\u30af\u89e3\u9664\u6642\u306b\u307e\u3068\u3081\u3066\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u305f\u3081)\u3002
\n 
\n\u66f4\u65b0\u3092\uff11\u56de\u306e\u30af\u30a8\u30ea\u3067\u3057\u304b\u5b9f\u884c\u3057\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\u306f\u4e0d\u8981\u3002\n<\/p>\n

(MySQL 4.1 \u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u3088\u308a)
\nLOCK TABLES \u306e\u4f7f\u7528\u6642\u306b\u3044\u304f\u3064\u304b\u306e\u9762\u3067\u51e6\u7406\u304c\u8fc5\u901f\u306b\u306a\u308b\u7406\u7531\u306f\u3001
\nMySQL \u3067\u30ad\u30fc\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c UNLOCK TABLES \u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u307e\u3067
\n\u30d5\u30e9\u30c3\u30b7\u30e5\u3055\u308c\u306a\u3044\u305f\u3081\u3067\u3042\u308b\uff08\u901a\u5e38\u3001\u30ad\u30fc\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u5404 SQL
\n\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5f8c\u306b\u30d5\u30e9\u30c3\u30b7\u30e5\u3055\u308c\u308b\uff09\u3002
\n\u305d\u308c\u306b\u3088\u3063\u3066\u3001MyISAM \u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3059\u308b\u633f\u5165\u3001\u66f4\u65b0\u3001\u524a\u9664\u51e6\u7406\u304c
\n\u8fc5\u901f\u5316\u3055\u308c\u308b\u3002\n<\/p><\/blockquote>\n

 
\n– \u30ed\u30c3\u30af\u89e3\u9664\n<\/p>\n

UNLOCK TABLES\n<\/p><\/blockquote>\n

\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u89e3\u9664\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u308b\u304b\u63a5\u7d9a\u304c\u7d42\u4e86\u3057\u305f\u6642\u70b9\u3067\u3001\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u4fdd\u6301\u3057\u3066\u3044\u308b\u5168\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u3092\u89e3\u9664\u3059\u308b\u3002
\nWRITE \u30ed\u30c3\u30af\u306e\u5834\u5408\u306f\u3053\u306e\u6642\u70b9\u3067\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u306e\u5024\u3092\u66f8\u304d\u63db\u3048\u308b\u3002
\n 
\n\u53c2\u8003:
\n– MySQL4.1 \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb: LOCK TABLES \u304a\u3088\u3073 UNLOCK TABLES \u69cb\u6587<\/a>
\n– \u91e3\u3063\u305f\u3088\uff01\u91e3\u308a\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf: MySQL InnoDB \u306e\u5229\u7528: \u30c6\u30fc\u30d6\u30eb\u30fb\u30ed\u30c3\u30af\u306b\u3064\u3044\u3066<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u3092\u3046\u307e\u304f\u4f7f\u3046\u3068\u3001 \u30fbMyISAM \u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a \u30fbMyISAM \u3067(InnoDB \u3092\u4f7f\u308f\u305a\u306b)\u7c21\u6613\u7684\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e00\u90e8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u308b \u3068\u3044\u3046\u3046\u307e\u307f\u304c\u3042\u308b\u3002(InnoDB, BDB \u3060\u3068\u9006\u52b9 … \u7d9a\u304d\u3092\u8aad\u3080 \u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af\u306e\u8a71<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[141],"tags":[26],"class_list":["post-537","post","type-post","status-publish","format-standard","hentry","category-lifehack","tag-mysql"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/comments?post=537"}],"version-history":[{"count":1,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/537\/revisions"}],"predecessor-version":[{"id":1496,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/537\/revisions\/1496"}],"wp:attachment":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/media?parent=537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/categories?post=537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/tags?post=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}