{"id":48,"date":"2021-11-26T16:34:29","date_gmt":"2021-11-26T16:34:29","guid":{"rendered":"https:\/\/www.b64.pw\/blog\/?p=48"},"modified":"2021-11-26T16:35:04","modified_gmt":"2021-11-26T16:35:04","slug":"javascript%e3%81%a7%e6%99%82%e5%88%bb%e3%82%92rdbms%e3%81%ae%e5%bd%a2%e5%bc%8f%e3%81%a7%e8%a1%a8%e7%a4%ba%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.b64.pw\/blog\/?p=48","title":{"rendered":"Javascript\u3067\u6642\u523b\u3092RDBMS\u306e\u5f62\u5f0f\u3067\u8868\u793a\u3059\u308b"},"content":{"rendered":"\n<p>Javascript\u306eDate\u578b\u3067\u306f\u305d\u306e\u307e\u307e\u3067\u306fRDBM\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u6642\u523b\u5f62\u5f0f<br>YYYY-MM-DD hh:mm:ss<br>\u306e\u3088\u3046\u306a\u5f62\u5f0f\u306f\u305d\u306e\u307e\u307e\u3067\u306f\u51fa\u529b\u3067\u304d\u306a\u3044\u3002<br>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f<a href=\"https:\/\/hacknote.jp\/archives\/48276\/\">getMonth()\u306f0~11\u3092\u8fd4\u3059<\/a>\u306e\u3067\u5b9f\u969b\u306e\u66a6\u306b\u3059\u308b\u5834\u5408\u306f+1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<br>(\u500b\u4eba\u7684\u306b\u306fgetRealMonth()\u306e\u3088\u3046\u306a1~12\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u3063\u3066\u3082\u3088\u3044\u3068\u601d\u3046)<br>\u5404\u6841\u306e0\u57cb\u3081\u306f\u6b21\u306e\u3088\u3046\u306b\u7a7a\u6587\u5b57\u3092\u9023\u7d50\u3055\u305b\u308b\u3053\u3068\u3067\u6587\u5b57\u5217\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066<\/p>\n\n\n<p>dt.getFullYear()+&#8221;<\/p>\n\n\n\n<p>\u305d\u306e\u6587\u5b57\u5217\u306b\u5bfe\u3057\u3066padStart()\u3067\u884c\u3046\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\u4f5c\u308b\u3068\u4fbf\u5229\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function datetimeFormat(dt){\n    const y = (dt.getFullYear()+'').padStart(4,'0');\n    const m = ((dt.getMonth()+1)+'').padStart(2,'0');\n    const d = (dt.getDate()+'').padStart(2,'0');\n    const h = (dt.getHours()+'').padStart(2,'0');\n    const i = (dt.getMinutes()+'').padStart(2,'0');\n    const s = (dt.getSeconds()+'').padStart(2,'0');\n    return `${y}-${m}-${d} ${h}:${i}:${s}`;\n}\nconsole.log(datetimeFormat(new Date()));\/\/ 2021-11-27 01:10:27<\/code><\/pre>\n\n\n\n<p>\u3061\u306a\u307f\u306b\u3001<a href=\"https:\/\/developers.google.com\/protocol-buffers\/docs\/reference\/google.protobuf#google.protobuf.Timestamp\">Google Cloud Spanne<\/a>r\u3084<a href=\"https:\/\/www.elastic.co\/guide\/en\/elasticsearch\/reference\/current\/date.html\">Elasticsearch <\/a>\u306a\u3069\u4e00\u90e8\u306eDB\u3067\u4f7f\u308f\u308c\u308b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u5f62\u5f0f\u306e\u3001<br>RFC3339\u306e <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc3339#section-2\">Zulu format<\/a> \u3067\u3042\u308c\u3070\u7c21\u5358\u306b\u51fa\u529b\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9toISOString()\u304c\u3042\u308b\u3002<\/p>\n\n\n<p>(new Date).toISOString(); \/\/ &#8216;2021-11-26T16:11:40.030Z&#8217;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Javascript\u306eDate\u578b\u3067\u306f\u305d\u306e\u307e\u307e\u3067\u306fRDBM\u3067\u4f7f &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/48"}],"collection":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48"}],"version-history":[{"count":1,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}