{"id":91534,"date":"2024-10-18T22:01:20","date_gmt":"2024-10-18T14:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91534\/"},"modified":"2024-10-18T22:01:21","modified_gmt":"2024-10-18T14:01:21","slug":"ora-31057-%e6%ad%a3%e5%9c%a8%e6%8f%92%e5%85%a5%e7%9a%84%e5%85%83%e7%b4%a0%e7%9a%84%e9%a1%af%e7%a4%ba%e5%90%8d%e7%a8%b1%e7%82%ba-null-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\/91534\/","title":{"rendered":"ORA-31057: \u6b63\u5728\u63d2\u5165\u7684\u5143\u7d20\u7684\u986f\u793a\u540d\u7a31\u70ba null ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-31057-%e6%ad%a3%e5%9c%a8%e6%8f%92%e5%85%a5%e7%9a%84%e5%85%83%e7%b4%a0%e7%9a%84%e9%a1%af%e7%a4%ba%e5%90%8d%e7%a8%b1%e7%82%ba-null-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-GXHkPrQpnN\">ORA-31057: \u6b63\u5728\u63d2\u5165\u7684\u5143\u7d20\u7684\u986f\u793a\u540d\u7a31\u70ba null 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-31057\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0 XML \u6578\u64da\u6642\uff0c\u986f\u793a\u540d\u7a31\u70ba null \u7684\u5143\u7d20\u5c0e\u81f4\u4e86\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"ora-31057-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-GXHkPrQpnN\">ORA-31057 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-31057 \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f XML \u6578\u64da\u4e2d\u5b58\u5728\u4e0d\u6b63\u78ba\u7684\u7d50\u69cb\u6216\u683c\u5f0f\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u500b XML \u5143\u7d20\uff0c\u800c\u8a72\u5143\u7d20\u7684\u986f\u793a\u540d\u7a31\u70ba null \u6642\uff0c\u5c31\u6703\u89f8\u767c\u9019\u500b\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>XML \u6587\u6a94\u4e2d\u7f3a\u5c11\u5fc5\u8981\u7684\u5143\u7d20\u6216\u5c6c\u6027\u3002<\/li>\n<li>\u5728\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684 XPath \u8868\u9054\u5f0f\u3002<\/li>\n<li>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff0c\u4f8b\u5982\u5c07\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u6578\u5b57\u985e\u578b\u7684\u5b57\u6bb5\u4e2d\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-GXHkPrQpnN\">\u5982\u4f55\u8b58\u5225\u554f\u984c<\/h2>\n<p>\u8981\u89e3\u6c7a ORA-31057 \u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u554f\u984c\u7684\u6839\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f60\u8b58\u5225\u554f\u984c\uff1a<\/p>\n<ol>\n<li><strong>\u6aa2\u67e5 XML \u7d50\u69cb\uff1a<\/strong>\u78ba\u4fdd XML \u6587\u6a94\u7684\u7d50\u69cb\u6b63\u78ba\uff0c\u6240\u6709\u5fc5\u8981\u7684\u5143\u7d20\u548c\u5c6c\u6027\u90fd\u5df2\u6b63\u78ba\u5b9a\u7fa9\u3002<\/li>\n<li><strong>\u9a57\u8b49 XPath \u8868\u9054\u5f0f\uff1a<\/strong>\u6aa2\u67e5\u7528\u65bc\u63d2\u5165\u6216\u66f4\u65b0\u7684 XPath \u8868\u9054\u5f0f\uff0c\u78ba\u4fdd\u5b83\u5011\u6b63\u78ba\u6307\u5411 XML \u6587\u6a94\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n<li><strong>\u67e5\u770b\u6578\u64da\u985e\u578b\uff1a<\/strong>\u78ba\u8a8d\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u76f8\u7b26\u3002<\/li>\n<\/ol>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-GXHkPrQpnN\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u554f\u984c\u7684\u6839\u6e90\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f\u4fee\u5fa9\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%ad%a3-xml-%e7%b5%90%e6%a7%8b-GXHkPrQpnN\">1. \u4fee\u6b63 XML \u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u767c\u73fe XML \u7d50\u69cb\u4e0d\u6b63\u78ba\uff0c\u8acb\u6839\u64da\u9700\u6c42\u9032\u884c\u4fee\u6b63\u3002\u4f8b\u5982\uff0c\u78ba\u4fdd\u6240\u6709\u5fc5\u9700\u7684\u5143\u7d20\u90fd\u6709\u6b63\u78ba\u7684\u986f\u793a\u540d\u7a31\uff1a<\/p>\n<pre><code>\n\n    Value1\n    Value2\n\n<\/code><\/pre>\n<h3 id=\"2-%e6%9b%b4%e6%96%b0-xpath-%e8%a1%a8%e9%81%94%e5%bc%8f-GXHkPrQpnN\">2. \u66f4\u65b0 XPath \u8868\u9054\u5f0f<\/h3>\n<p>\u5982\u679c XPath \u8868\u9054\u5f0f\u4e0d\u6b63\u78ba\uff0c\u8acb\u6839\u64da XML \u7d50\u69cb\u9032\u884c\u66f4\u65b0\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nINSERT INTO your_table (xml_column)\nVALUES (XMLTYPE('Value1'));\n<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e4%bf%9d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e5%8c%b9%e9%85%8d-GXHkPrQpnN\">3. \u78ba\u4fdd\u6578\u64da\u985e\u578b\u5339\u914d<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u5b83\u5011\u8207\u6578\u64da\u5eab\u4e2d\u7684\u5b9a\u7fa9\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6578\u64da\u5eab\u5b57\u6bb5\u662f\u6578\u5b57\u985e\u578b\uff0c\u8acb\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u4e5f\u662f\u6578\u5b57\uff1a<\/p>\n<pre><code>\nINSERT INTO your_table (numeric_column)\nVALUES (123);\n<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e8%80%83%e9%87%8f-GXHkPrQpnN\">\u9060\u7a0b\u8655\u7406\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u96f2\u670d\u52d9\u6216\u865b\u64ec\u79c1\u4eba\u4f3a\u670d\u5668\uff08VPS\uff09\u6642\uff0c\u78ba\u4fdd\u4f60\u7684\u74b0\u5883\u914d\u7f6e\u6b63\u78ba\uff0c\u4e26\u4e14\u6240\u6709\u7684\u7db2\u7d61\u9023\u63a5\u90fd\u662f\u7a69\u5b9a\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u7db2\u7d61\u554f\u984c\u5c0e\u81f4\u7684\u6578\u64da\u50b3\u8f38\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GXHkPrQpnN\">\u7e3d\u7d50<\/h2>\n<p>ORA-31057 \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc XML \u7d50\u69cb\u4e0d\u6b63\u78ba\u6216\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5 XML \u7d50\u69cb\u3001\u66f4\u65b0 XPath \u8868\u9054\u5f0f\u4ee5\u53ca\u78ba\u4fdd\u6578\u64da\u985e\u578b\u5339\u914d\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u9078\u64c7\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u7684\u6545\u969c\u6392\u9664\u6b65\u9a5f\uff0c\u5c07\u6709\u52a9\u65bc\u4f60\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-31057 \u932f\u8aa4\uff1a\u63d2\u5165\u5143\u7d20\u986f\u793a\u540d\u7a31\u70ba null \u7684\u554f\u984c\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-91534","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91534","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=91534"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91534\/revisions"}],"predecessor-version":[{"id":91535,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91534\/revisions\/91535"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}