{"id":3708,"date":"2024-02-17T15:39:05","date_gmt":"2024-02-17T06:39:05","guid":{"rendered":"https:\/\/www.dogrow.net\/linux\/?p=3708"},"modified":"2024-02-18T15:51:10","modified_gmt":"2024-02-18T06:51:10","slug":"blog155","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/linux\/blog155\/","title":{"rendered":"(155)\u3010DB\u3011DateTime\u5024\u3092\u3059\u3079\u3066+7\u65e5\u3059\u308bSQL\u6587"},"content":{"rendered":"<h1 class=\"my_h\">\u30101\u3011\u3084\u308a\u305f\u3044\u3053\u3068<\/h1>\n<p>MySQL\u306e\u30c6\u30fc\u30d6\u30eb event \u306b DateTime\u578b\u306e\u30ab\u30e9\u30e0 ev_date \u304c\u3042\u308b\u3002<br \/>\n\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u3059\u3067\u306b 5,000\u500b\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u4eca\u3001ev_date\u306e\u65e5\u6642\u5024\u306b\u8aa4\u308a\u304c\u3042\u3063\u305f\u3053\u3068\u304c\u5224\u660e\u3057\u305f&#8230;<\/p>\n<p>\u305d\u3053\u3067\u3001\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u306e ev_date\u30ab\u30e9\u30e0\u306e\u5024\u3092\u6b63\u3057\u3044\u65e5\u6642\u3001\u3059\u306a\u308f\u3061 +7\u65e5\u3057\u305f\u3044\u3002<\/p>\n<h1 class=\"my_h\">\u30102\u3011\u3084\u3063\u3066\u307f\u308b<\/h1>\n<p>\u4ee5\u4e0b\u306e SQL\u3092\u5b9f\u884c\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n<pre class=\"my_pre_python\">\r\nUPDATE event SET ev_date = <span class=\"my_fc_deeppinkB\">DATE_ADD(ev_date, INTERVAL 7 DAY)<\/span>;\r\n<\/pre>\n<p><span class=\"my_fc_deeppinkB\">DATE_ADD<\/span> \u95a2\u6570\u306f\u3001\u7279\u5b9a\u306e\u65e5\u4ed8\u306b\u6642\u9593\u9593\u9694\u3092\u52a0\u3048\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n<p>\u3053\u306e\u95a2\u6570\u306f\u4e8c\u3064\u306e\u5f15\u6570\u3092\u53d6\u308b\u3002<br \/>\n\u7b2c1\u5f15\u6570: <span class=\"my_fc_deeppinkB\">ev_date<\/span> \u306f\u3001\u52a0\u7b97\u306e\u57fa\u6e96\u3068\u306a\u308b\u65e5\u6642\u5024\u3060\u3002<br \/>\n\u7b2c2\u5f15\u6570: <span class=\"my_fc_deeppinkB\">INTERVAL 7 DAY<\/span> \u306f\u3001\u52a0\u7b97\u3059\u308b\u671f\u9593\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<h1 class=\"my_h\">\u30103\u3011\u5fdc\u7528<\/h1>\n<h2 class=\"my_h\">1) \u305d\u306e\u4ed6\u306e\u6642\u9593\u5024\u306e\u6307\u5b9a\u65b9\u6cd5<\/h2>\n<p>\u5e74\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 1 YEAR<\/span> \u2192 1\u5e74\u3092\u52a0\u7b97<br \/>\n\u6708\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 2 MONTH<\/span> \u2192 2\u30f6\u6708\u3092\u52a0\u7b97<br \/>\n\u9031\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 3 WEEK<\/span> \u2192 3\u9031\u9593\u3092\u52a0\u7b97<br \/>\n\u65e5\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 4 DAY<\/span> \u2192 4\u65e5\u9593\u3092\u52a0\u7b97<\/p>\n<p>\u6642\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 5 HOUR<\/span> \u2192 5\u6642\u9593\u3092\u52a0\u7b97<br \/>\n\u5206\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 10 MINUTE<\/span> \u2192 10\u5206\u3092\u52a0\u7b97<br \/>\n\u79d2\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 30 SECOND<\/span> \u2192 30\u79d2\u3092\u52a0\u7b97<\/p>\n<p>\u30df\u30ea\u79d2\u3092\u52a0\u7b97: <span class=\"my_fc_deeppinkB\">INTERVAL 500000 MICROSECOND<\/span> \u2192 5x10e5[\u03bcsec]\uff08\uff1d500\u30df\u30ea\u79d2\uff09\u3092\u52a0\u7b97<br \/>\n<span class=\"my_fc_crimson\">\u203bMILLISECOND \u306f\u6307\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067 MICROSECOND \u5358\u4f4d\u3067\u6307\u5b9a\u3059\u308b\u3002<\/span><\/p>\n<hr class=\"my_hr_bottom\">\n","protected":false},"excerpt":{"rendered":"<p>\u30101\u3011\u3084\u308a\u305f\u3044\u3053\u3068 MySQL\u306e\u30c6\u30fc\u30d6\u30eb event \u306b DateTime\u578b\u306e\u30ab\u30e9\u30e0 ev_date \u304c\u3042\u308b\u3002 \u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u3059\u3067\u306b 5,000\u500b\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3002 \u4eca\u3001ev_date\u306e\u65e5\u6642\u5024\u306b\u8aa4\u308a\u304c\u3042\u3063\u305f\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.dogrow.net\/linux\/blog155\/\">\u7d9a\u304d\u3092\u8aad\u3080 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-3708","post","type-post","status-publish","format-standard","hentry","category-db"],"views":1004,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/comments?post=3708"}],"version-history":[{"count":13,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3708\/revisions"}],"predecessor-version":[{"id":3721,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3708\/revisions\/3721"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/media?parent=3708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/categories?post=3708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/tags?post=3708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}