{"id":883,"date":"2021-12-01T19:13:57","date_gmt":"2021-12-01T10:13:57","guid":{"rendered":"https:\/\/blog.tkouen.mydns.jp\/wordpress\/?p=883"},"modified":"2021-12-01T19:13:57","modified_gmt":"2021-12-01T10:13:57","slug":"%e3%83%a1%e3%83%a2mysql%e3%81%a7%e6%9b%9c%e6%97%a5%e3%82%92%e5%87%ba%e5%8a%9b%e8%a6%9a%e6%9b%b8","status":"publish","type":"post","link":"https:\/\/devlog.nb3.jp\/wordpress\/883","title":{"rendered":"[\u30e1\u30e2]mysql\u3067\u66dc\u65e5\u3092\u51fa\u529b[\u899a\u66f8]"},"content":{"rendered":"

\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3001mysql\u3067\u66dc\u65e5\u307e\u3067\u51fa\u529b\u3059\u308b\u3068\u304d\u306e\u66f8\u304d\u65b9\u3067\u3059\u3002<\/p>\n

\r\nSELECT (\r\n  CASE dayofweek(date_format('20211201', '%Y-%m-%d'))\r\n    WHEN 1 THEN '\u65e5'\r\n    WHEN 2 THEN '\u6708'\r\n    WHEN 3 THEN '\u706b'\r\n    WHEN 4 THEN '\u6c34'\r\n    WHEN 5 THEN '\u6728'\r\n    WHEN 6 THEN '\u91d1'\r\n    WHEN 7 THEN '\u571f'\r\n  END\r\n)\r\nAS week\r\n<\/pre>\n
\u898b\u3066\u306e\u901a\u308a\u3001dayofweek\u3092\u4f7f\u3046\u3053\u3068\u3067\u65e5\u66dc\uff5e\u571f\u66dc\u3067\u305d\u308c\u304c1\uff5e7\u306e\u6570\u5024\u3067\u8fd4\u3055\u308c\u307e\u3059\u3002
\n\u3067\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306bCASE\u3067\u65e5\u672c\u8a9e\u306e\u66dc\u65e5\u306b\u5909\u63db\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5927\u4f53\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u65b9\u3067\u66dc\u65e5\u3092\u51fa\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u304c\u3001\u305f\u307e\u306bsql\u306e\u307f\u3067\u51fa\u3057\u305f\u3044\u5834\u5408\u3082\u3042\u308b\u306e\u3067\u3001\u305d\u306e\u6642\u7528\u306e\u899a\u66f8\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001mysql\u3067\u66dc\u65e5\u307e\u3067\u51fa\u529b\u3059\u308b\u3068\u304d\u306e\u66f8\u304d\u65b9\u3067\u3059\u3002 SELECT ( CASE dayofweek(date_format(‘20211201’, ‘%Y-%m-%d’)) WHEN 1 THEN  … \u7d9a\u304d\u3092\u8aad\u3080 →<\/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":[4],"tags":[116,109,173],"class_list":["post-883","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql","tag-109","tag-173"],"_links":{"self":[{"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/posts\/883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/comments?post=883"}],"version-history":[{"count":3,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/posts\/883\/revisions"}],"predecessor-version":[{"id":886,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/posts\/883\/revisions\/886"}],"wp:attachment":[{"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/media?parent=883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/categories?post=883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devlog.nb3.jp\/wordpress\/wp-json\/wp\/v2\/tags?post=883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}