{"id":143807,"date":"2024-11-01T01:25:31","date_gmt":"2024-10-31T17:25:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/143807\/"},"modified":"2024-11-01T01:25:32","modified_gmt":"2024-10-31T17:25:32","slug":"sql-%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7-bom-%e8%a1%a8%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/143807\/","title":{"rendered":"SQL \u51fd\u6578\u904d\u6b77 BOM \u8868\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"sql-%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7-bom-%e8%a1%a8%e7%9a%84%e6%96%b9%e6%b3%95-ntyxjevbKG\">SQL \u51fd\u6578\u904d\u6b77 BOM \u8868\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u73fe\u4ee3\u4f01\u696d\u4e2d\uff0c\u7269\u6599\u6e05\u55ae\uff08BOM\uff0cBill of Materials\uff09\u662f\u751f\u7522\u904e\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002BOM \u8868\u901a\u5e38\u7528\u65bc\u63cf\u8ff0\u7522\u54c1\u7684\u7d44\u6210\u90e8\u5206\u53ca\u5176\u7d50\u69cb\uff0c\u9019\u5c0d\u65bc\u751f\u7522\u8a08\u5283\u3001\u5eab\u5b58\u7ba1\u7406\u548c\u6210\u672c\u63a7\u5236\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u904d\u6b77\u548c\u67e5\u8a62 BOM \u8868\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4f7f\u7528 SQL \u51fd\u6578\u904d\u6b77 BOM \u8868\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"bom-%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-ntyxjevbKG\">BOM \u8868\u7684\u7d50\u69cb<\/h2>\n<p>\u5728\u6df1\u5165 SQL \u51fd\u6578\u4e4b\u524d\uff0c\u6211\u5011\u9996\u5148\u9700\u8981\u4e86\u89e3 BOM \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>\u7269\u6599\u7de8\u865f<\/strong>\uff1a\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u500b\u7269\u6599\u3002<\/li>\n<li><strong>\u7269\u6599\u540d\u7a31<\/strong>\uff1a\u7269\u6599\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>\u7236\u7269\u6599\u7de8\u865f<\/strong>\uff1a\u6307\u5411\u4e0a\u5c64\u7269\u6599\u7684\u7de8\u865f\uff0c\u5f62\u6210\u6a39\u72c0\u7d50\u69cb\u3002<\/li>\n<li><strong>\u6578\u91cf<\/strong>\uff1a\u8a72\u7269\u6599\u5728\u7236\u7269\u6599\u4e2d\u7684\u6578\u91cf\u3002<\/li>\n<\/ul>\n<p>\u9019\u6a23\u7684\u7d50\u69cb\u4f7f\u5f97 BOM \u8868\u80fd\u5920\u8868\u793a\u51fa\u7269\u6599\u4e4b\u9593\u7684\u5c64\u7d1a\u95dc\u4fc2\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7-bom-%e8%a1%a8-ntyxjevbKG\">\u4f7f\u7528 SQL \u51fd\u6578\u904d\u6b77 BOM \u8868<\/h2>\n<p>\u904d\u6b77 BOM \u8868\u7684\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528\u905e\u6b78\u67e5\u8a62\u3002\u8a31\u591a\u73fe\u4ee3\u7684 SQL \u6578\u64da\u5eab\u7cfb\u7d71\uff08\u5982 PostgreSQL \u548c SQL Server\uff09\u90fd\u652f\u6301\u905e\u6b78 CTE\uff08Common Table Expressions\uff09\uff0c\u9019\u4f7f\u5f97\u904d\u6b77\u6a39\u72c0\u7d50\u69cb\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002<\/p>\n<h3 id=\"%e9%81%9e%e6%ad%b8-cte-%e7%a4%ba%e4%be%8b-ntyxjevbKG\">\u905e\u6b78 CTE \u793a\u4f8b<\/h3>\n<pre><code>WITH RECURSIVE BOM_CTE AS (\n    SELECT \n        \u7269\u6599\u7de8\u865f, \n        \u7269\u6599\u540d\u7a31, \n        \u7236\u7269\u6599\u7de8\u865f, \n        \u6578\u91cf, \n        1 AS \u5c64\u7d1a\n    FROM \n        BOM \u8868\n    WHERE \n        \u7236\u7269\u6599\u7de8\u865f IS NULL  -- \u6839\u7bc0\u9ede\n\n    UNION ALL\n\n    SELECT \n        b.\u7269\u6599\u7de8\u865f, \n        b.\u7269\u6599\u540d\u7a31, \n        b.\u7236\u7269\u6599\u7de8\u865f, \n        b.\u6578\u91cf, \n        \u5c64\u7d1a + 1\n    FROM \n        BOM \u8868 b\n    INNER JOIN \n        BOM_CTE cte ON b.\u7236\u7269\u6599\u7de8\u865f = cte.\u7269\u6599\u7de8\u865f\n)\nSELECT * FROM BOM_CTE;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9078\u64c7\u6240\u6709\u6839\u7bc0\u9ede\uff08\u5373\u6c92\u6709\u7236\u7269\u6599\u7684\u7269\u6599\uff09\uff0c\u7136\u5f8c\u4f7f\u7528 UNION ALL \u5c07\u5176\u5b50\u7269\u6599\u6dfb\u52a0\u5230\u7d50\u679c\u96c6\u4e2d\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u80fd\u5920\u7372\u5f97\u6574\u500b BOM \u7684\u7d50\u69cb\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e7%89%a9%e6%96%99%e7%9a%84%e6%89%80%e6%9c%89%e5%ad%90%e7%89%a9%e6%96%99-ntyxjevbKG\">\u67e5\u8a62\u7279\u5b9a\u7269\u6599\u7684\u6240\u6709\u5b50\u7269\u6599<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u67e5\u8a62\u7279\u5b9a\u7269\u6599\u7684\u6240\u6709\u5b50\u7269\u6599\uff0c\u53ef\u4ee5\u5728 CTE \u4e2d\u6dfb\u52a0\u4e00\u500b\u904e\u6ffe\u689d\u4ef6\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u8981\u67e5\u8a62\u7269\u6599\u7de8\u865f\u70ba &#8216;A001&#8217; \u7684\u6240\u6709\u5b50\u7269\u6599\uff1a<\/p>\n<pre><code>WITH RECURSIVE BOM_CTE AS (\n    SELECT \n        \u7269\u6599\u7de8\u865f, \n        \u7269\u6599\u540d\u7a31, \n        \u7236\u7269\u6599\u7de8\u865f, \n        \u6578\u91cf, \n        1 AS \u5c64\u7d1a\n    FROM \n        BOM \u8868\n    WHERE \n        \u7269\u6599\u7de8\u865f = 'A001'  -- \u6307\u5b9a\u7684\u7236\u7269\u6599\n\n    UNION ALL\n\n    SELECT \n        b.\u7269\u6599\u7de8\u865f, \n        b.\u7269\u6599\u540d\u7a31, \n        b.\u7236\u7269\u6599\u7de8\u865f, \n        b.\u6578\u91cf, \n        \u5c64\u7d1a + 1\n    FROM \n        BOM \u8868 b\n    INNER JOIN \n        BOM_CTE cte ON b.\u7236\u7269\u6599\u7de8\u865f = cte.\u7269\u6599\u7de8\u865f\n)\nSELECT * FROM BOM_CTE;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ntyxjevbKG\">\u7e3d\u7d50<\/h2>\n<p>\u904d\u6b77 BOM \u8868\u662f\u4e00\u500b\u91cd\u8981\u7684\u4efb\u52d9\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u8907\u96dc\u7684\u7522\u54c1\u7d50\u69cb\u6642\u3002\u4f7f\u7528 SQL \u7684\u905e\u6b78 CTE \u53ef\u4ee5\u6709\u6548\u5730\u67e5\u8a62\u548c\u7ba1\u7406\u9019\u4e9b\u6578\u64da\u3002\u900f\u904e\u4e0a\u8ff0\u793a\u4f8b\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6240\u9700\u7684\u7269\u6599\u4fe1\u606f\uff0c\u4e26\u9032\u4e00\u6b65\u5206\u6790\u548c\u512a\u5316\u751f\u7522\u6d41\u7a0b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u7ba1\u7406\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406 BOM \u8868\u53ca\u5176\u4ed6\u696d\u52d9\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 SQL \u51fd\u6578\u904d\u6b77 BOM \u8868\u7684\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u67e5\u8a62\u548c\u7ba1\u7406\u7269\u6599\u6e05\u55ae\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\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-143807","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143807","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=143807"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143807\/revisions"}],"predecessor-version":[{"id":143808,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143807\/revisions\/143808"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=143807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=143807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=143807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}