{"id":136647,"date":"2024-10-31T11:39:26","date_gmt":"2024-10-31T03:39:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/136647\/"},"modified":"2024-10-31T11:39:26","modified_gmt":"2024-10-31T03:39:26","slug":"sql-server-2008%e5%8e%9f%e7%94%9f%e7%9a%84%e5%88%86%e5%b1%a4%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8bhierarchyid%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/136647\/","title":{"rendered":"SQL Server 2008\u539f\u751f\u7684\u5206\u5c64\u6578\u64da\u985e\u578bhierarchyid\u7c21\u4ecb"},"content":{"rendered":"<h1 id=\"sql-server-2008%e5%8e%9f%e7%94%9f%e7%9a%84%e5%88%86%e5%b1%a4%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8bhierarchyid%e7%b0%a1%e4%bb%8b-IBhvJmYepU\">SQL Server 2008\u539f\u751f\u7684\u5206\u5c64\u6578\u64da\u985e\u578bhierarchyid\u7c21\u4ecb<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u5b58\u5132\u548c\u67e5\u8a62\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002SQL Server 2008\u5f15\u5165\u4e86\u4e00\u7a2e\u65b0\u7684\u6578\u64da\u985e\u578b\u2014\u2014<code>hierarchyid<\/code>\uff0c\u65e8\u5728\u7c21\u5316\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u7684\u8655\u7406\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>hierarchyid<\/code>\u7684\u7279\u6027\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afhierarchyid%ef%bc%9f-IBhvJmYepU\">\u4ec0\u9ebc\u662fhierarchyid\uff1f<\/h2>\n<p><code>hierarchyid<\/code>\u662f\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u8868\u793a\u6a39\u72c0\u7d50\u69cb\u7684\u6578\u64da\u985e\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u5982\u7d44\u7e54\u7d50\u69cb\u3001\u76ee\u9304\u7d50\u69cb\u3001\u5206\u985e\u7cfb\u7d71\u7b49\u5c64\u6b21\u7d50\u69cb\u7684\u6578\u64da\u3002\u9019\u7a2e\u6578\u64da\u985e\u578b\u7684\u5f15\u5165\uff0c\u4f7f\u5f97\u5728SQL Server\u4e2d\u8655\u7406\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u7c21\u55ae\u3002<\/p>\n<h2 id=\"hierarchyid%e7%9a%84%e7%89%b9%e6%80%a7-IBhvJmYepU\">hierarchyid\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u5b58\u5132\uff1a<\/strong>hierarchyid\u4f7f\u7528\u4e00\u7a2e\u7dca\u6e4a\u7684\u4e8c\u9032\u5236\u683c\u5f0f\u4f86\u5b58\u5132\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u5b58\u5132\u5c64\u6b21\u7d50\u69cb\u6642\u6bd4\u50b3\u7d71\u7684\u5b57\u7b26\u4e32\u8868\u793a\u6cd5\u66f4\u70ba\u9ad8\u6548\u3002<\/li>\n<li><strong>\u7c21\u55ae\u7684\u67e5\u8a62\uff1a<\/strong>\u4f7f\u7528hierarchyid\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u5c64\u6b21\u7d50\u69cb\u7684\u67e5\u8a62\uff0c\u4f8b\u5982\u67e5\u8a62\u67d0\u500b\u7bc0\u9ede\u7684\u6240\u6709\u5b50\u7bc0\u9ede\u6216\u7236\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u652f\u6301\u6392\u5e8f\uff1a<\/strong>hierarchyid\u652f\u6301\u81ea\u7136\u6392\u5e8f\uff0c\u9019\u610f\u5473\u8457\u5728\u67e5\u8a62\u7d50\u679c\u4e2d\uff0c\u5c64\u6b21\u7d50\u69cb\u7684\u9806\u5e8f\u5c07\u81ea\u52d5\u4fdd\u6301\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8hierarchyid-IBhvJmYepU\">\u5982\u4f55\u4f7f\u7528hierarchyid<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u4f7f\u7528<code>hierarchyid<\/code>\u975e\u5e38\u7c21\u55ae\u3002\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728\u8868\u4e2d\u5b9a\u7fa9\u4e00\u500b<code>hierarchyid<\/code>\u985e\u578b\u7684\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE Organization (\n    ID INT PRIMARY KEY,\n    Name NVARCHAR(100),\n    Hierarchy hierarchyid\n);<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u63d2\u5165\u4e00\u500b\u6839\u7bc0\u9ede\u548c\u4e00\u500b\u5b50\u7bc0\u9ede\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO Organization (ID, Name, Hierarchy)\nVALUES (1, '\u516c\u53f8', hierarchyid::GetRoot());\n\nINSERT INTO Organization (ID, Name, Hierarchy)\nVALUES (2, '\u90e8\u9580A', hierarchyid::GetRoot().GetChild(0));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>hierarchyid::GetRoot()<\/code>\u4f86\u7372\u53d6\u6839\u7bc0\u9ede\uff0c\u7136\u5f8c\u4f7f\u7528<code>GetChild(0)<\/code>\u4f86\u7372\u53d6\u7b2c\u4e00\u500b\u5b50\u7bc0\u9ede\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2hierarchyid%e6%95%b8%e6%93%9a-IBhvJmYepU\">\u67e5\u8a62hierarchyid\u6578\u64da<\/h2>\n<p>\u67e5\u8a62\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u6642\uff0c<code>hierarchyid<\/code>\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u4fbf\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u8a62\u67d0\u500b\u7bc0\u9ede\u7684\u6240\u6709\u5b50\u7bc0\u9ede\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM Organization\nWHERE Hierarchy.IsDescendantOf(hierarchyid::GetRoot()) = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u5c6c\u65bc\u6839\u7bc0\u9ede\u7684\u5b50\u7bc0\u9ede\u3002<code>IsDescendantOf<\/code>\u65b9\u6cd5\u7528\u65bc\u6aa2\u67e5\u67d0\u500b\u7bc0\u9ede\u662f\u5426\u662f\u53e6\u4e00\u500b\u7bc0\u9ede\u7684\u5f8c\u4ee3\u3002<\/p>\n<h2 id=\"hierarchyid%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-IBhvJmYepU\">hierarchyid\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>hierarchyid\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u5176\u512a\u52e2\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u7d44\u7e54\u7d50\u69cb\u7ba1\u7406\uff1a<\/strong>\u4f01\u696d\u53ef\u4ee5\u4f7f\u7528hierarchyid\u4f86\u8868\u793a\u548c\u7ba1\u7406\u5176\u7d44\u7e54\u7d50\u69cb\uff0c\u65b9\u4fbf\u67e5\u8a62\u548c\u7dad\u8b77\u3002<\/li>\n<li><strong>\u7522\u54c1\u5206\u985e\uff1a<\/strong>\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u7522\u54c1\u7684\u5206\u985e\u7d50\u69cb\u53ef\u4ee5\u4f7f\u7528hierarchyid\u4f86\u8868\u793a\uff0c\u4fbf\u65bc\u7528\u6236\u700f\u89bd\u548c\u67e5\u627e\u3002<\/li>\n<li><strong>\u6587\u4ef6\u7cfb\u7d71\uff1a<\/strong>\u6587\u4ef6\u548c\u8cc7\u6599\u593e\u7684\u5c64\u6b21\u7d50\u69cb\u4e5f\u53ef\u4ee5\u4f7f\u7528hierarchyid\u4f86\u8868\u793a\uff0c\u7c21\u5316\u6587\u4ef6\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IBhvJmYepU\">\u7e3d\u7d50<\/h2>\n<p>SQL Server 2008\u7684<code>hierarchyid<\/code>\u6578\u64da\u985e\u578b\u70ba\u8655\u7406\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5176\u7c21\u55ae\u7684\u5b58\u5132\u65b9\u5f0f\u548c\u5f37\u5927\u7684\u67e5\u8a62\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u8907\u96dc\u6578\u64da\u7d50\u69cb\u7684\u61c9\u7528\u4f86\u8aaa\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u63d0\u4f9b\u7684\u670d\u52d9\u53ef\u4ee5\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\uff0c\u52a9\u529b\u60a8\u7684\u696d\u52d9\u767c\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server 2008\u7684\u539f\u751f\u5206\u5c64\u6578\u64da\u985e\u578bhierarchyid\uff0c\u63a2\u7d22\u5176\u7d50\u69cb\u3001\u7528\u6cd5\u53ca\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-136647","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=136647"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136647\/revisions"}],"predecessor-version":[{"id":136648,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136647\/revisions\/136648"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=136647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=136647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=136647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}