{"id":87422,"date":"2024-10-18T00:55:17","date_gmt":"2024-10-17T16:55:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87422\/"},"modified":"2024-10-18T00:55:17","modified_gmt":"2024-10-17T16:55:17","slug":"ora-19103-value-%e9%97%9c%e9%8d%b5%e5%ad%97-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\/87422\/","title":{"rendered":"ORA-19103: VALUE \u95dc\u9375\u5b57 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-19103-value-%e9%97%9c%e9%8d%b5%e5%ad%97-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-INCDMnNMeU\">ORA-19103: VALUE \u95dc\u9375\u5b57 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\u5c31\u662f <code>ORA-19103<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 XML \u6578\u64da\u8655\u7406\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528 XMLType \u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-19103<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-19103-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-INCDMnNMeU\">ORA-19103 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p><code>ORA-19103<\/code> \u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300cVALUE \u95dc\u9375\u5b57\u7121\u6548\u300d\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728\u4f7f\u7528 XMLType \u6642\uff0c\u5617\u8a66\u5f9e XML \u6587\u6a94\u4e2d\u63d0\u53d6\u503c\uff0c\u4f46\u6307\u5b9a\u7684\u8def\u5f91\u4e0d\u6b63\u78ba\u3002<\/li>\n<li>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684 XPath \u8868\u9054\u5f0f\uff0c\u5c0e\u81f4\u7121\u6cd5\u627e\u5230\u6240\u9700\u7684\u7bc0\u9ede\u3002<\/li>\n<li>XML \u6587\u6a94\u7684\u7d50\u69cb\u8207\u9810\u671f\u4e0d\u7b26\uff0c\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u7576\u4f60\u57f7\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u6b64\u932f\u8aa4\uff1a<\/p>\n<pre><code>SELECT EXTRACTVALUE(xml_column, '\/root\/element\/value') FROM my_table;<\/code><\/pre>\n<p>\u5982\u679c <code>xml_column<\/code> \u4e2d\u7684 XML \u7d50\u69cb\u4e0d\u5305\u542b\u6307\u5b9a\u7684\u8def\u5f91\uff0c\u5247\u6703\u5f15\u767c <code>ORA-19103<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba-ora-19103-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%96%b9%e6%b3%95-INCDMnNMeU\">\u89e3\u6c7a ORA-19103 \u932f\u8aa4\u7684\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-19103<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-xml-%e7%b5%90%e6%a7%8b-INCDMnNMeU\">1. \u6aa2\u67e5 XML \u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 XML \u6587\u6a94\u7684\u7d50\u69cb\uff0c\u78ba\u4fdd\u5b83\u7b26\u5408\u9810\u671f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b XML \u7684\u5167\u5bb9\uff1a<\/p>\n<pre><code>SELECT xml_column FROM my_table;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u78ba\u8a8d XML \u7684\u6839\u7bc0\u9ede\u548c\u5b50\u7bc0\u9ede\u662f\u5426\u6b63\u78ba\u3002<\/p>\n<h3 id=\"2-%e9%a9%97%e8%ad%89-xpath-%e8%a1%a8%e9%81%94%e5%bc%8f-INCDMnNMeU\">2. \u9a57\u8b49 XPath \u8868\u9054\u5f0f<\/h3>\n<p>\u78ba\u4fdd\u4f7f\u7528\u7684 XPath \u8868\u9054\u5f0f\u662f\u6b63\u78ba\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 Oracle \u63d0\u4f9b\u7684 <code>XMLTABLE<\/code> \u51fd\u6578\u4f86\u6e2c\u8a66 XPath \u8868\u9054\u5f0f\uff1a<\/p>\n<pre><code>SELECT * FROM XMLTABLE('\/root\/element' PASSING xml_column COLUMNS value VARCHAR2(100) PATH 'value');<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u78ba\u8a8d XPath \u662f\u5426\u80fd\u6b63\u78ba\u63d0\u53d6\u6240\u9700\u7684\u503c\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-INCDMnNMeU\">3. \u4f7f\u7528\u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u67e5\u8a62\u4e2d\u6dfb\u52a0\u932f\u8aa4\u8655\u7406\u908f\u8f2f\uff0c\u4ee5\u4fbf\u5728\u9047\u5230\u932f\u8aa4\u6642\u80fd\u5920\u6355\u7372\u4e26\u8655\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXCEPTION<\/code> \u584a\u4f86\u6355\u7372\u932f\u8aa4\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff1a<\/p>\n<pre><code>BEGIN\n    SELECT EXTRACTVALUE(xml_column, '\/root\/element\/value') INTO my_value FROM my_table;\nEXCEPTION\n    WHEN OTHERS THEN\n        DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM);\nEND;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-19103-%e9%8c%af%e8%aa%a4-INCDMnNMeU\">\u9060\u7a0b\u8655\u7406 ORA-19103 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a <code>ORA-19103<\/code> \u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u6aa2\u67e5 XML \u6578\u64da\u548c\u67e5\u8a62\u3002<\/li>\n<li>\u5229\u7528 Oracle \u7684\u9060\u7a0b\u8abf\u8a66\u5de5\u5177\uff0c\u9032\u884c\u5be6\u6642\u8abf\u8a66\u548c\u932f\u8aa4\u6355\u7372\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\uff0c\u8acb\u6c42\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u7684\u5354\u52a9\uff0c\u4ee5\u4fbf\u66f4\u6df1\u5165\u5730\u5206\u6790\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-INCDMnNMeU\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u8655\u7406 Oracle \u6578\u64da\u5eab\u4e2d\u7684 <code>ORA-19103<\/code> \u932f\u8aa4\u6642\uff0c\u4e86\u89e3\u932f\u8aa4\u7684\u6839\u672c\u539f\u56e0\u548c\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5 XML \u7d50\u69cb\u3001\u9a57\u8b49 XPath \u8868\u9054\u5f0f\u4ee5\u53ca\u5be6\u65bd\u932f\u8aa4\u8655\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-19103\u932f\u8aa4\uff0c\u4e86\u89e3VALUE\u95dc\u9375\u5b57\u5728Oracle\u4e2d\u7684\u5f71\u97ff\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u7684\u6709\u6548\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-87422","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87422","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=87422"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87422\/revisions"}],"predecessor-version":[{"id":87423,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87422\/revisions\/87423"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}