{"id":87500,"date":"2024-10-18T01:34:18","date_gmt":"2024-10-17T17:34:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87500\/"},"modified":"2024-10-18T01:34:18","modified_gmt":"2024-10-17T17:34:18","slug":"ora-19276-xpst0005-xpath-%e6%ad%a5%e9%a9%9f%e6%8c%87%e5%ae%9a%e7%9a%84%e5%85%83%e7%b4%a0-%e5%b1%ac%e6%80%a7%e5%90%8d%e7%a8%b1%e7%84%a1%e6%95%88-string-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/87500\/","title":{"rendered":"ORA-19276: XPST0005 \u2013 XPath \u6b65\u9a5f\u6307\u5b9a\u7684\u5143\u7d20\/\u5c6c\u6027\u540d\u7a31\u7121\u6548: (string) ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-19276-xpst0005-xpath-%e6%ad%a5%e9%a9%9f%e6%8c%87%e5%ae%9a%e7%9a%84%e5%85%83%e7%b4%a0-%e5%b1%ac%e6%80%a7%e5%90%8d%e7%a8%b1%e7%84%a1%e6%95%88-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c-GeDtawGwja\">ORA-19276: XPST0005 \u2013 XPath \u6b65\u9a5f\u6307\u5b9a\u7684\u5143\u7d20\/\u5c6c\u6027\u540d\u7a31\u7121\u6548: 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\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-19276: XPST0005<\/code>\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\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e6%a6%82%e8%bf%b0-GeDtawGwja\">\u932f\u8aa4\u6982\u8ff0<\/h2>\n<p><code>ORA-19276: XPST0005<\/code> \u932f\u8aa4\u8868\u793a XPath \u6b65\u9a5f\u6307\u5b9a\u7684\u5143\u7d20\u6216\u5c6c\u6027\u540d\u7a31\u7121\u6548\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528 XMLTABLE\u3001XMLQUERY \u6216\u5176\u4ed6 XML \u76f8\u95dc\u51fd\u6578\u6642\uff0c\u7576 XPath \u8868\u9054\u5f0f\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-GeDtawGwja\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u9020\u6210 <code>ORA-19276<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u7121\u6548\u7684\u5143\u7d20\u540d\u7a31\uff1a<\/strong> XPath \u8868\u9054\u5f0f\u4e2d\u6307\u5b9a\u7684\u5143\u7d20\u540d\u7a31\u53ef\u80fd\u62fc\u5beb\u932f\u8aa4\u6216\u4e0d\u7b26\u5408 XML \u7d50\u69cb\u3002<\/li>\n<li><strong>\u547d\u540d\u7a7a\u9593\u554f\u984c\uff1a<\/strong> \u5982\u679c XML \u6587\u6a94\u4f7f\u7528\u4e86\u547d\u540d\u7a7a\u9593\uff0cXPath \u8868\u9054\u5f0f\u5fc5\u9808\u6b63\u78ba\u8655\u7406\u9019\u4e9b\u547d\u540d\u7a7a\u9593\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u7684 XPath \u8a9e\u6cd5\uff1a<\/strong> XPath \u8a9e\u6cd5\u932f\u8aa4\uff0c\u4f8b\u5982\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u904b\u7b97\u7b26\u6216\u51fd\u6578\u3002<\/li>\n<li><strong>XML \u7d50\u69cb\u8b8a\u66f4\uff1a<\/strong> \u5982\u679c XML \u7d50\u69cb\u767c\u751f\u8b8a\u66f4\uff0c\u800c XPath \u8868\u9054\u5f0f\u672a\u9032\u884c\u76f8\u61c9\u8abf\u6574\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4%e6%ad%a5%e9%a9%9f-GeDtawGwja\">\u6545\u969c\u6392\u9664\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 <code>ORA-19276<\/code> \u932f\u8aa4\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-xpath-%e8%a1%a8%e9%81%94%e5%bc%8f-GeDtawGwja\">1. \u6aa2\u67e5 XPath \u8868\u9054\u5f0f<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5f15\u767c\u932f\u8aa4\u7684 XPath \u8868\u9054\u5f0f\u3002\u78ba\u4fdd\u6240\u6709\u5143\u7d20\u548c\u5c6c\u6027\u540d\u7a31\u90fd\u6b63\u78ba\u7121\u8aa4\uff0c\u4e26\u4e14\u7b26\u5408 XML \u7d50\u69cb\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT XMLTABLE('\/root\/element' PASSING xml_column\n    COLUMNS element_value VARCHAR2(100) PATH 'value') \nFROM your_table;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u78ba\u4fdd <code>\/root\/element<\/code> \u548c <code>value<\/code> \u662f\u6b63\u78ba\u7684\u5143\u7d20\u540d\u7a31\u3002<\/p>\n<h3 id=\"2-%e8%99%95%e7%90%86%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-GeDtawGwja\">2. \u8655\u7406\u547d\u540d\u7a7a\u9593<\/h3>\n<p>\u5982\u679c XML \u6587\u6a94\u4f7f\u7528\u4e86\u547d\u540d\u7a7a\u9593\uff0c\u5247\u9700\u8981\u5728 XPath \u8868\u9054\u5f0f\u4e2d\u6b63\u78ba\u8655\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT XMLTABLE('declare namespace ns=\"http:\/\/example.com\"; \n    \/ns:root\/ns:element' PASSING xml_column\n    COLUMNS element_value VARCHAR2(100) PATH 'ns:value') \nFROM your_table;<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6-xml-%e7%b5%90%e6%a7%8b-GeDtawGwja\">3. \u6e2c\u8a66 XML \u7d50\u69cb<\/h3>\n<p>\u4f7f\u7528 XML \u6aa2\u67e5\u5de5\u5177\u4f86\u9a57\u8b49 XML \u7d50\u69cb\u662f\u5426\u6b63\u78ba\u3002\u78ba\u4fdd\u6240\u6709\u6a19\u7c64\u90fd\u6b63\u78ba\u914d\u5c0d\uff0c\u4e26\u4e14\u6c92\u6709\u8a9e\u6cd5\u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-%e6%97%a5%e8%aa%8c%e5%92%8c%e9%8c%af%e8%aa%a4%e4%bf%a1%e6%81%af-GeDtawGwja\">4. \u65e5\u8a8c\u548c\u932f\u8aa4\u4fe1\u606f<\/h3>\n<p>\u67e5\u770b Oracle \u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u8207\u6b64\u932f\u8aa4\u76f8\u95dc\u7684\u66f4\u591a\u4fe1\u606f\u3002\u9019\u53ef\u80fd\u6703\u63d0\u4f9b\u6709\u95dc\u932f\u8aa4\u7684\u4e0a\u4e0b\u6587\uff0c\u5e6b\u52a9\u9032\u4e00\u6b65\u8a3a\u65b7\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-GeDtawGwja\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u8655\u7406 Oracle \u6578\u64da\u5eab\u4e2d\u7684 XML \u6578\u64da\u6642\uff0c<code>ORA-19276: XPST0005<\/code> \u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u7684\u67e5\u8a62\u548c\u8655\u7406\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 XPath \u8868\u9054\u5f0f\u3001\u8655\u7406\u547d\u540d\u7a7a\u9593\u4ee5\u53ca\u9a57\u8b49 XML \u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u548c\u5feb\u901f\u97ff\u61c9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-19276: XPST0005 \u932f\u8aa4\uff0c\u4fee\u5fa9\u7121\u6548\u7684 XPath \u5143\u7d20\/\u5c6c\u6027\u540d\u7a31\uff0c\u63d0\u4f9b\u6709\u6548\u7684 Oracle \u6545\u969c\u6392\u9664\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\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-87500","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87500","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=87500"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87500\/revisions"}],"predecessor-version":[{"id":87501,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87500\/revisions\/87501"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}