{"id":452,"date":"2011-12-20T11:11:57","date_gmt":"2011-12-20T02:11:57","guid":{"rendered":"http:\/\/www.climb.co.jp\/blog_dbmoto\/?p=452"},"modified":"2012-01-12T09:22:11","modified_gmt":"2012-01-12T00:22:11","slug":"%e3%83%ac%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e9%9a%9b%e3%81%abnull%e3%82%92%e7%89%b9%e5%ae%9a%e3%81%ae%e5%80%a4%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.climb.co.jp\/blog_dbmoto\/archives\/452","title":{"rendered":"\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u969b\u306bnull\u3092\u7279\u5b9a\u306e\u5024\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3000\u305d\u306e1\u3010\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30ebDBMoto\u3011"},"content":{"rendered":"<p>\u7247\u65b9\u5411\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u30bd\u30fc\u30b9\u304cNULL\u3092\u8a31\u53ef\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u304cNULL\u3092\u8a31\u53ef\u3057\u306a\u3044\uff08NOT NULL\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u540c\u58eb\u3067\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u3044\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\u30bd\u30fc\u30b9\u306bNULL\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u304c\u3042\u308b\u3068\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3082NULL\u30c7\u30fc\u30bf\u3092\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3057\u307e\u3059\u306e\u3067\u3001NOT NULL\u5236\u7d04\u9055\u53cd\u306b\u3088\u308a\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>DBMoto\u3067\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u3068Expression\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u5024\u306e\u66f4\u65b0\u304c\u3042\u3063\u305f\u969b\u306b\u5225\u306e\u5024\u3078\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u25a0\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6e96\u5099<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u300cNULL\u3082\u3057\u304f\u306f\u7a7a\u6587\u5b57\u304c\u66f4\u65b0\u3055\u308c\u305f\u3068\u304d\u306b\u3001\u7279\u5b9a\u306e\u5024\u3092\u8fd4\u3059\u300d\u6a5f\u80fd\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<br \/>\n&#8212;&#8212;&#8212;&#8212;-<br \/>\n<span style=\"color: #0000ff;\">Public Shared Function SetVAL(obj as Object, obj1 as Object) as Object<\/span><br \/>\nIf obj is DBNull.Value Then<br \/>\nReturn obj1<br \/>\nEnd if<br \/>\nIf obj is nothing Then<br \/>\nReturn obj<br \/>\nEnd if<br \/>\nIf String.IsNullOrEmpty(obj.ToString()) = True\u00a0 Then<br \/>\nReturn obj1<br \/>\nElse<br \/>\nReturn obj<br \/>\nEnd If<span style=\"color: #0000ff;\"><br \/>\nEnd Function<\/span><br \/>\n&#8212;&#8212;&#8212;&#8212;-<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u3001metadata\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<a href=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122001.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-454\" title=\"2011122001\" src=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122001-300x203.png\" alt=\"\" width=\"300\" height=\"203\" srcset=\"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122001-300x203.png 300w, https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122001.png 371w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u5185\u306b\u4e0a\u8a18\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u57cb\u3081\u8fbc\u307f\u307e\u3059\u3002<br \/>\n<a href=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122002.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-455\" title=\"2011122002\" src=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122002-300x240.png\" alt=\"\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122002-300x240.png 300w, https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122002.png 666w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u25a0\u30de\u30c3\u30d4\u30f3\u30b0\u753b\u9762\u3067\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u9069\u7528<\/p>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u30de\u30c3\u30d4\u30f3\u30b0\u753b\u9762\u306b\u3066\u5bfe\u8c61\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u77e2\u5370\u90e8\u5206\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001Map To Expression\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<a href=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122003.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-456\" title=\"2011122003\" src=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122003-300x122.png\" alt=\"\" width=\"300\" height=\"122\" srcset=\"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122003-300x122.png 300w, https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122003.png 616w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>User Function\u304b\u3089\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u8a2d\u5b9a\u3057\u305f\u95a2\u6570\u3092\u9078\u629e\u3057\u3001\u7b2c1\u5f15\u6570\u306bDB\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3001\u7b2c2\u5f15\u6570\u306b\u5909\u63db\u3057\u305f\u3044\u6587\u5b57\u5217\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u300c&#8221;NODATA&#8221;\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<br \/>\n<a href=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122004.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-457\" title=\"2011122004\" src=\"\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122004-285x300.png\" alt=\"\" width=\"285\" height=\"300\" srcset=\"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122004-285x300.png 285w, https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-content\/uploads\/2011\/12\/2011122004.png 496w\" sizes=\"auto, (max-width: 285px) 100vw, 285px\" \/><\/a><\/p>\n<p>\u4ee5\u4e0a\u3067\u8a2d\u5b9a\u306f\u5b8c\u4e86\u3067\u3059\u3002\u3053\u306e\u72b6\u614b\u3067\u30bd\u30fc\u30b9\u306bNULL\u3084\u7a7a\u6587\u5b57\u306e\u66f4\u65b0\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4ecb\u3057\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u306f\u300cNODATA\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3067\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306fNULL\u304b\u3089\u7279\u5b9a\u306e\u5024\u3078\u306e\u5909\u63db\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u3082\u3061\u308d\u3093NULL\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u304b\u3089\u306e\u5909\u63db\u3082\u540c\u69d8\u306e\u8a18\u8ff0\u3067\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u25a0\u6ce8\u610f\u70b9<\/p>\n<p>\u4eca\u56de\u7d39\u4ecb\u306e\u65b9\u6cd5\u306f\u3001\u8a2d\u5b9a\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u5c11\u306a\u3044\u5834\u5408\u306b\u306f\u6700\u9069\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8a2d\u5b9a\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u591a\u3044\u5834\u5408\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3054\u3068\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5206\u3001\u8a2d\u5b9a\u306b\u6642\u9593\u3092\u8981\u3059\u308b\u3068\u3044\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\n\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u540c\u3058\u30c7\u30fc\u30bf\u30bf\u30a4\u30d7\u3067\u3042\u308c\u3070\u3001\u8a2d\u5b9a\u30921\u56de\u3067\u6e08\u307e\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3001\u8a2d\u5b9a\u306b\u8981\u3059\u308b\u6642\u9593\u306e\u77ed\u7e2e\u5316\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<br \/>\n\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<br \/>\n<a href=\"\/\/www.climb.co.jp\/blog_dbmoto\/archives\/460\">\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u969b\u306bnull\u3092\u7279\u5b9a\u306e\u5024\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3000\u305d\u306e2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7247\u65b9\u5411\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u30bd\u30fc\u30b9\u304cNULL\u3092\u8a31\u53ef\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u304cNULL\u3092\u8a31\u53ef\u3057\u306a\u3044\uff08NOT NULL\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u540c\u58eb\u3067\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u3044\u305f\u3068\u3057\u307e\u3059\u3002 \u3053\u306e\u5834\u5408\u3001\u30bd\u30fc\u30b9\u306bNULL\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u304c\u3042\u308b\u3068\u30df\u30e9\u30fc\u30ea\u30f3\u30b0 &hellip; <a href=\"https:\/\/www.climb.co.jp\/blog_dbmoto\/archives\/452\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-452","post","type-post","status-publish","format-standard","hentry","category-syniti"],"_links":{"self":[{"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/posts\/452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/comments?post=452"}],"version-history":[{"count":4,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/posts\/452\/revisions"}],"predecessor-version":[{"id":459,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/posts\/452\/revisions\/459"}],"wp:attachment":[{"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/media?parent=452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/categories?post=452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_dbmoto\/wp-json\/wp\/v2\/tags?post=452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}