{"id":92770,"date":"2024-10-19T08:22:15","date_gmt":"2024-10-19T00:22:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92770\/"},"modified":"2024-10-19T08:22:16","modified_gmt":"2024-10-19T00:22:16","slug":"ora-44713-xpath-%e6%9c%aa%e9%81%b8%e6%93%87%e6%89%80%e6%9c%89%e7%bf%bb%e8%ad%af-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92770\/","title":{"rendered":"ORA-44713: XPath \u672a\u9078\u64c7\u6240\u6709\u7ffb\u8b6f ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-44713-xpath-%e6%9c%aa%e9%81%b8%e6%93%87%e6%89%80%e6%9c%89%e7%bf%bb%e8%ad%af-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-FNHVnKsCpz\">ORA-44713: XPath \u672a\u9078\u64c7\u6240\u6709\u7ffb\u8b6f ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f ORA-44713\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 XPath \u8868\u9054\u5f0f\u7684\u4f7f\u7528\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406 XML \u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-44713 \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-44713-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-FNHVnKsCpz\">ORA-44713 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-44713 \u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300cXPath \u672a\u9078\u64c7\u6240\u6709\u7ffb\u8b6f\u300d\u3002\u9019\u610f\u5473\u8457\u5728\u57f7\u884c XPath \u67e5\u8a62\u6642\uff0c\u7cfb\u7d71\u672a\u80fd\u6b63\u78ba\u9078\u64c7\u6240\u6709\u9700\u8981\u7684\u7ffb\u8b6f\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>XML \u6578\u64da\u7d50\u69cb\u4e0d\u7b26\u5408\u9810\u671f\uff0c\u5c0e\u81f4 XPath \u67e5\u8a62\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u3002<\/li>\n<li>\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684 XPath \u8868\u9054\u5f0f\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u8a9e\u6cd5\u932f\u8aa4\u6216\u908f\u8f2f\u932f\u8aa4\u3002<\/li>\n<li>\u6578\u64da\u5eab\u4e2d\u7684 XMLType \u5217\u672a\u6b63\u78ba\u8a2d\u7f6e\uff0c\u5c0e\u81f4\u67e5\u8a62\u7121\u6cd5\u8fd4\u56de\u6b63\u78ba\u7684\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e5%95%8f%e9%a1%8c-FNHVnKsCpz\">\u5982\u4f55\u8b58\u5225\u554f\u984c<\/h2>\n<p>\u8981\u89e3\u6c7a ORA-44713 \u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u8b58\u5225\u554f\u984c\u7684\u6839\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5 XML \u7d50\u69cb\uff1a<\/strong>\u78ba\u4fdd XML \u6578\u64da\u7684\u7d50\u69cb\u7b26\u5408 XPath \u67e5\u8a62\u7684\u8981\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528 XML \u9a57\u8b49\u5de5\u5177\u4f86\u6aa2\u67e5 XML \u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u6e2c\u8a66 XPath \u8868\u9054\u5f0f\uff1a<\/strong>\u4f7f\u7528 XPath \u6e2c\u8a66\u5de5\u5177\u4f86\u9a57\u8b49\u60a8\u7684 XPath \u8868\u9054\u5f0f\u662f\u5426\u80fd\u6b63\u78ba\u9078\u64c7\u6240\u9700\u7684\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u67e5\u770b\u6578\u64da\u5eab\u65e5\u8a8c\uff1a<\/strong>\u6aa2\u67e5 Oracle \u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u8207 ORA-44713 \u932f\u8aa4\u76f8\u95dc\u7684\u66f4\u591a\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-FNHVnKsCpz\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%ad%a3-xml-%e7%b5%90%e6%a7%8b-FNHVnKsCpz\">1. \u4fee\u6b63 XML \u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u767c\u73fe XML \u7d50\u69cb\u4e0d\u6b63\u78ba\uff0c\u8acb\u6839\u64da XPath \u67e5\u8a62\u7684\u8981\u6c42\u9032\u884c\u8abf\u6574\u3002\u78ba\u4fdd\u6240\u6709\u5fc5\u8981\u7684\u7bc0\u9ede\u548c\u5c6c\u6027\u90fd\u5b58\u5728\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4-xpath-%e8%a1%a8%e9%81%94%e5%bc%8f-FNHVnKsCpz\">2. \u8abf\u6574 XPath \u8868\u9054\u5f0f<\/h3>\n<p>\u5982\u679c XPath \u8868\u9054\u5f0f\u5b58\u5728\u8a9e\u6cd5\u6216\u908f\u8f2f\u932f\u8aa4\uff0c\u8acb\u6839\u64da XPath \u7684\u8a9e\u6cd5\u898f\u5247\u9032\u884c\u4fee\u6b63\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 XPath \u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT EXTRACTVALUE(xml_column, '\/root\/element') FROM your_table;<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0-xmltype-%e5%88%97%e8%a8%ad%e7%bd%ae-FNHVnKsCpz\">3. \u66f4\u65b0 XMLType \u5217\u8a2d\u7f6e<\/h3>\n<p>\u5982\u679c XMLType \u5217\u7684\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u8acb\u6aa2\u67e5\u5176\u5b9a\u7fa9\u4e26\u9032\u884c\u5fc5\u8981\u7684\u66f4\u65b0\u3002\u4f8b\u5982\uff0c\u78ba\u4fdd\u5217\u7684\u6578\u64da\u985e\u578b\u70ba XMLType\uff0c\u4e26\u4e14\u6b63\u78ba\u8a2d\u7f6e\u4e86\u76f8\u95dc\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e8%80%83%e9%87%8f-FNHVnKsCpz\">\u9060\u7a0b\u8655\u7406\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a ORA-44713 \u932f\u8aa4\u3002\u9019\u53ef\u80fd\u6d89\u53ca\u5230\u9060\u7a0b\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u6aa2\u67e5\u914d\u7f6e\uff0c\u6216\u662f\u8207\u5176\u4ed6\u958b\u767c\u8005\u5354\u4f5c\u3002\u78ba\u4fdd\u60a8\u64c1\u6709\u9069\u7576\u7684\u6b0a\u9650\u548c\u5de5\u5177\u4f86\u9032\u884c\u9019\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FNHVnKsCpz\">\u7e3d\u7d50<\/h2>\n<p>ORA-44713 \u932f\u8aa4\u901a\u5e38\u8207 XPath \u67e5\u8a62\u7684\u4f7f\u7528\u6709\u95dc\uff0c\u89e3\u6c7a\u6b64\u554f\u984c\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5 XML \u7d50\u69cb\u3001XPath \u8868\u9054\u5f0f\u53ca\u6578\u64da\u5eab\u8a2d\u7f6e\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u8b58\u5225\u548c\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u5f9e\u800c\u78ba\u4fdd\u60a8\u7684 Oracle \u6578\u64da\u5eab\u904b\u884c\u9806\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u6216\u5e0c\u671b\u4e86\u89e3\u5982\u4f55\u5728\u96f2\u74b0\u5883\u4e2d\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-44713 \u932f\u8aa4\uff0c\u4e86\u89e3 XPath \u672a\u9078\u64c7\u6240\u6709\u7ffb\u8b6f\u7684\u539f\u56e0\uff0c\u4e26\u638c\u63e1\u6709\u6548\u7684\u9060\u7a0b\u8655\u7406\u548c\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5\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-92770","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92770","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=92770"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92770\/revisions"}],"predecessor-version":[{"id":92771,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92770\/revisions\/92771"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}