{"id":93624,"date":"2024-10-19T15:33:18","date_gmt":"2024-10-19T07:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93624\/"},"modified":"2024-10-19T15:33:18","modified_gmt":"2024-10-19T07:33:18","slug":"ora-56902-%e6%9c%9f%e6%9c%9b%e5%9c%a8-pivot-%e6%93%8d%e4%bd%9c%e5%85%a7%e9%83%a8%e4%bd%bf%e7%94%a8%e8%81%9a%e5%90%88%e5%87%bd%e6%95%b8-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93624\/","title":{"rendered":"ORA-56902: \u671f\u671b\u5728 pivot \u64cd\u4f5c\u5167\u90e8\u4f7f\u7528\u805a\u5408\u51fd\u6578 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"

ORA-56902: \u671f\u671b\u5728 pivot \u64cd\u4f5c\u5167\u90e8\u4f7f\u7528\u805a\u5408\u51fd\u6578 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n

\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0cpivot \u64cd\u4f5c\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5c07\u884c\u6578\u64da\u8f49\u63db\u70ba\u5217\u6578\u64da\uff0c\u5f9e\u800c\u4f7f\u6578\u64da\u7684\u53ef\u8b80\u6027\u548c\u53ef\u5206\u6790\u6027\u5927\u5927\u63d0\u9ad8\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 pivot \u64cd\u4f5c\u6642\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc ORA-56902\uff0c\u8a72\u932f\u8aa4\u63d0\u793a\u201c\u671f\u671b\u5728 pivot \u64cd\u4f5c\u5167\u90e8\u4f7f\u7528\u805a\u5408\u51fd\u6578\u201d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

ORA-56902 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n

ORA-56902 \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528 pivot \u64cd\u4f5c\u6642\uff0c\u7576\u4f60\u5617\u8a66\u5c07\u6578\u64da\u8f49\u63db\u70ba\u5217\u683c\u5f0f\uff0c\u4f46\u672a\u6b63\u78ba\u4f7f\u7528\u805a\u5408\u51fd\u6578\u3002\u6839\u64da Oracle \u7684\u8981\u6c42\uff0cpivot \u64cd\u4f5c\u5fc5\u9808\u5305\u542b\u805a\u5408\u51fd\u6578\uff0c\u56e0\u70ba\u5b83\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u532f\u7e3d\u4ee5\u751f\u6210\u65b0\u7684\u5217\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4ee5\u4e0b SQL \u67e5\u8a62\u5c07\u5c0e\u81f4 ORA-56902 \u932f\u8aa4\uff1a<\/p>\n

SELECT *\nFROM sales\nPIVOT (\n    SUM(amount)\n    FOR product IN ('A' AS A, 'B' AS B)\n);\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u96d6\u7136\u4f7f\u7528\u4e86\u805a\u5408\u51fd\u6578 SUM\uff0c\u4f46\u5982\u679c\u4f60\u5617\u8a66\u4e0d\u4f7f\u7528\u805a\u5408\u51fd\u6578\uff0c\u5247\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n
\u5982\u4f55\u4fee\u5fa9 ORA-56902 \u932f\u8aa4<\/h2>\n
\u8981\u4fee\u5fa9 ORA-56902 \u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u5728 pivot \u64cd\u4f5c\u4e2d\u6b63\u78ba\u4f7f\u7528\u805a\u5408\u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\u548c\u793a\u4f8b\uff0c\u5e6b\u52a9\u4f60\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff1a<\/p>\n
1. \u78ba\u8a8d\u805a\u5408\u51fd\u6578\u7684\u4f7f\u7528<\/h3>\n
\u78ba\u4fdd\u5728 pivot \u64cd\u4f5c\u4e2d\u4f7f\u7528\u4e86\u6b63\u78ba\u7684\u805a\u5408\u51fd\u6578\u3002\u5e38\u898b\u7684\u805a\u5408\u51fd\u6578\u5305\u62ec SUM\u3001AVG\u3001COUNT \u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u6b63\u78ba\u7684\u793a\u4f8b\uff1a<\/p>\n
SELECT *\nFROM sales\nPIVOT (\n    SUM(amount)\n    FOR product IN ('A' AS A, 'B' AS B)\n);\n<\/code><\/pre>\n
2. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n
\u78ba\u4fdd\u5728 pivot \u64cd\u4f5c\u4e2d\u4f7f\u7528\u7684\u5217\u5177\u6709\u76f8\u540c\u7684\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 CAST \u51fd\u6578\u4f86\u8f49\u63db\u6578\u64da\u985e\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n
SELECT *\nFROM sales\nPIVOT (\n    SUM(CAST(amount AS NUMBER))\n    FOR product IN ('A' AS A, 'B' AS B)\n);\n<\/code><\/pre>\n
3. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n
\u5728\u9032\u884c pivot \u64cd\u4f5c\u4e4b\u524d\uff0c\u5148\u6e2c\u8a66\u4f60\u7684\u67e5\u8a62\u4ee5\u78ba\u4fdd\u5b83\u80fd\u6b63\u5e38\u904b\u884c\u3002\u53ef\u4ee5\u5148\u57f7\u884c\u4e00\u500b\u7c21\u55ae\u7684 SELECT \u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u662f\u5426\u6b63\u78ba\u3002<\/p>\n
SELECT product, SUM(amount)\nFROM sales\nGROUP BY product;\n<\/code><\/pre>\n
\u9060\u7a0b\u8655\u7406 ORA-56902 \u932f\u8aa4<\/h2>\n
\u5982\u679c\u4f60\u5728\u9060\u7a0b\u74b0\u5883\u4e2d\u5de5\u4f5c\uff0c\u4e26\u4e14\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u6216 SSH \u9032\u884c\u6545\u969c\u6392\u9664\u3002\u78ba\u4fdd\u4f60\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u67e5\u8a62\u548c\u4fee\u6539\u6578\u64da\u3002<\/p>\n
\u6b64\u5916\uff0c\u4f7f\u7528 Oracle \u7684 SQL Developer \u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u8f15\u9b06\u5730\u7de8\u5beb\u548c\u6e2c\u8a66 SQL \u67e5\u8a62\uff0c\u4e26\u4e14\u80fd\u5920\u5373\u6642\u67e5\u770b\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
ORA-56902 \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5728 pivot \u64cd\u4f5c\u4e2d\u672a\u6b63\u78ba\u4f7f\u7528\u805a\u5408\u51fd\u6578\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u8a8d\u805a\u5408\u51fd\u6578\u7684\u4f7f\u7528\u3001\u6aa2\u67e5\u6578\u64da\u985e\u578b\u4ee5\u53ca\u6e2c\u8a66\u67e5\u8a62\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u4e5f\u80fd\u5e6b\u52a9\u4f60\u5feb\u901f\u5b9a\u4f4d\u548c\u4fee\u5fa9\u932f\u8aa4\u3002<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u66f4\u591a\u6709\u95dc \u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u6216\u60f3\u4e86\u89e3\u5982\u4f55\u5728\u96f2\u74b0\u5883\u4e2d\u66f4\u597d\u5730\u7ba1\u7406\u4f60\u7684\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u89e3\u6c7a ORA-56902 \u932f\u8aa4\uff0c\u4e86\u89e3\u5728 Oracle pivot \u64cd\u4f5c\u4e2d\u4f7f\u7528\u805a\u5408\u51fd\u6578\u7684\u6b63\u78ba\u65b9\u6cd5\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u6307\u5357\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-93624","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93624","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=93624"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93624\/revisions"}],"predecessor-version":[{"id":93625,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93624\/revisions\/93625"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}