{"id":152133,"date":"2024-11-01T20:23:21","date_gmt":"2024-11-01T12:23:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152133\/"},"modified":"2024-11-01T20:23:23","modified_gmt":"2024-11-01T12:23:23","slug":"%e9%81%8d%e6%ad%b7bom%e8%a1%a8%e7%9a%84sql%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152133\/","title":{"rendered":"\u904d\u6b77BOM\u8868\u7684SQL\u51fd\u6578"},"content":{"rendered":"<h1 id=\"%e9%81%8d%e6%ad%b7bom%e8%a1%a8%e7%9a%84sql%e5%87%bd%e6%95%b8-wUzlvpmFRq\">\u904d\u6b77BOM\u8868\u7684SQL\u51fd\u6578<\/h1>\n<p>\u5728\u8a31\u591a\u4f01\u696d\u4e2d\uff0cBOM\uff08\u7269\u6599\u6e05\u55ae\uff09\u8868\u662f\u7522\u54c1\u7d50\u69cb\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u5b83\u8a73\u7d30\u5217\u51fa\u4e86\u7522\u54c1\u6240\u9700\u7684\u6240\u6709\u539f\u6750\u6599\u3001\u96f6\u90e8\u4ef6\u53ca\u5176\u6578\u91cf\u3002\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u4f7f\u7528SQL\u4f86\u904d\u6b77\u548c\u7ba1\u7406BOM\u8868\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528SQL\u51fd\u6578\u4f86\u904d\u6b77BOM\u8868\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"bom%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-wUzlvpmFRq\">BOM\u8868\u7684\u7d50\u69cb<\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8a0eSQL\u51fd\u6578\u4e4b\u524d\uff0c\u6211\u5011\u9996\u5148\u9700\u8981\u4e86\u89e3BOM\u8868\u7684\u57fa\u672c\u7d50\u69cb\u3002\u4e00\u822c\u4f86\u8aaa\uff0cBOM\u8868\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><strong>\u90e8\u4ef6ID<\/strong>\uff1a\u552f\u4e00\u6a19\u8b58\u6bcf\u500b\u90e8\u4ef6\u6216\u6750\u6599\u3002<\/li>\n<li><strong>\u90e8\u4ef6\u540d\u7a31<\/strong>\uff1a\u90e8\u4ef6\u6216\u6750\u6599\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>\u7236\u90e8\u4ef6ID<\/strong>\uff1a\u6307\u5411\u5176\u7236\u90e8\u4ef6\u7684ID\uff0c\u9019\u5c0d\u65bc\u591a\u5c64BOM\u7d50\u69cb\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u6578\u91cf<\/strong>\uff1a\u6bcf\u500b\u90e8\u4ef6\u5728\u7522\u54c1\u4e2d\u6240\u9700\u7684\u6578\u91cf\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684BOM\u8868\u793a\u4f8b\uff1a<\/p>\n<pre>\n\u90e8\u4ef6ID | \u90e8\u4ef6\u540d\u7a31 | \u7236\u90e8\u4ef6ID | \u6578\u91cf\n-------|---------|----------|-----\n1      | \u4e3b\u6a5f\u6bbc  | NULL     | 1\n2      | \u4e3b\u677f    | 1        | 1\n3      | CPU     | 2        | 1\n4      | RAM     | 2        | 2\n5      | \u96fb\u6e90    | 1        | 1\n<\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8sql%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7bom%e8%a1%a8-wUzlvpmFRq\">\u4f7f\u7528SQL\u51fd\u6578\u904d\u6b77BOM\u8868<\/h2>\n<p>\u904d\u6b77BOM\u8868\u7684\u4e3b\u8981\u6311\u6230\u5728\u65bc\u5982\u4f55\u8655\u7406\u5c64\u7d1a\u7d50\u69cb\u3002\u901a\u5e38\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u905e\u6b78\u67e5\u8a62\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SQL Server\u7684\u905e\u6b78CTE\uff08\u516c\u5171\u8868\u9054\u5f0f\uff09\u4f86\u904d\u6b77BOM\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\nWITH BOM_CTE AS (\n    SELECT \u90e8\u4ef6ID, \u90e8\u4ef6\u540d\u7a31, \u7236\u90e8\u4ef6ID, \u6578\u91cf, 0 AS \u5c64\u7d1a\n    FROM BOM\u8868\n    WHERE \u7236\u90e8\u4ef6ID IS NULL\n    UNION ALL\n    SELECT b.\u90e8\u4ef6ID, b.\u90e8\u4ef6\u540d\u7a31, b.\u7236\u90e8\u4ef6ID, b.\u6578\u91cf, \u5c64\u7d1a + 1\n    FROM BOM\u8868 b\n    INNER JOIN BOM_CTE c ON b.\u7236\u90e8\u4ef6ID = c.\u90e8\u4ef6ID\n)\nSELECT * FROM BOM_CTE\nORDER BY \u5c64\u7d1a, \u90e8\u4ef6ID;\n<\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9078\u64c7\u6240\u6709\u6c92\u6709\u7236\u90e8\u4ef6\u7684\u90e8\u4ef6\uff08\u5373\u6839\u90e8\u4ef6\uff09\uff0c\u7136\u5f8c\u4f7f\u7528UNION ALL\u4f86\u905e\u6b78\u67e5\u8a62\u6240\u6709\u5b50\u90e8\u4ef6\u3002\u6700\u7d42\uff0c\u6211\u5011\u53ef\u4ee5\u6309\u5c64\u7d1a\u548c\u90e8\u4ef6ID\u9032\u884c\u6392\u5e8f\uff0c\u4ee5\u4fbf\u6e05\u6670\u5730\u986f\u793a\u6574\u500bBOM\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-wUzlvpmFRq\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u904d\u6b77BOM\u8868\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u9032\u884c\u6210\u672c\u8a08\u7b97\u3001\u5eab\u5b58\u7ba1\u7406\u548c\u751f\u7522\u8a08\u5283\u3002\u4f8b\u5982\uff0c\u7576\u4e00\u5bb6\u516c\u53f8\u9700\u8981\u8a08\u7b97\u67d0\u500b\u7522\u54c1\u7684\u7e3d\u6210\u672c\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u904d\u6b77BOM\u8868\u4f86\u7372\u53d6\u6240\u6709\u90e8\u4ef6\u7684\u6578\u91cf\u548c\u55ae\u50f9\uff0c\u7136\u5f8c\u9032\u884c\u52a0\u7e3d\u3002<\/p>\n<pre>\nSELECT SUM(b.\u6578\u91cf * p.\u55ae\u50f9) AS \u7e3d\u6210\u672c\nFROM BOM\u8868 b\nJOIN \u50f9\u683c\u8868 p ON b.\u90e8\u4ef6ID = p.\u90e8\u4ef6ID\nWHERE b.\u90e8\u4ef6ID IN (SELECT \u90e8\u4ef6ID FROM BOM_CTE)\nGROUP BY b.\u90e8\u4ef6ID;\n<\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8a08\u7b97\u6240\u6709\u90e8\u4ef6\u7684\u7e3d\u6210\u672c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u4ee5\u6eff\u8db3\u7279\u5b9a\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-wUzlvpmFRq\">\u7d50\u8ad6<\/h2>\n<p>\u904d\u6b77BOM\u8868\u7684SQL\u51fd\u6578\u5728\u73fe\u4ee3\u4f01\u696d\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u5e6b\u52a9\u4f01\u696d\u6709\u6548\u7ba1\u7406\u5176\u7522\u54c1\u7d50\u69cb\u548c\u6210\u672c\u3002\u901a\u904e\u4f7f\u7528\u905e\u6b78\u67e5\u8a62\uff0c\u4f01\u696d\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u591a\u5c64\u6b21\u7684BOM\u4fe1\u606f\uff0c\u5f9e\u800c\u652f\u6301\u66f4\u597d\u7684\u6c7a\u7b56\u548c\u7ba1\u7406\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u7684VPS\u74b0\u5883\u4e2d\u5be6\u73fe\u9019\u4e9bSQL\u67e5\u8a62\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u904d\u6b77BOM\u8868\u7684SQL\u51fd\u6578\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u67e5\u8a62\u548c\u7ba1\u7406\u7269\u6599\u6e05\u55ae\uff0c\u63d0\u5347\u751f\u7522\u6d41\u7a0b\u7684\u6548\u7387\u8207\u6e96\u78ba\u6027\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-152133","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152133","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=152133"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152133\/revisions"}],"predecessor-version":[{"id":152134,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152133\/revisions\/152134"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}