{"id":87456,"date":"2024-10-18T01:12:22","date_gmt":"2024-10-17T17:12:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87456\/"},"modified":"2024-10-18T01:12:22","modified_gmt":"2024-10-17T17:12:22","slug":"ora-19189-foca0005-%e6%8f%90%e4%be%9b%e7%9a%84%e6%b5%ae%e9%bb%9e-%e9%9b%99%e7%b2%be%e5%ba%a6%e5%80%bc%e7%82%ba-nan-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","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/87456\/","title":{"rendered":"ORA-19189: FOCA0005: \u63d0\u4f9b\u7684\u6d6e\u9ede\/\u96d9\u7cbe\u5ea6\u503c\u70ba NaN ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-19189-foca0005-%e6%8f%90%e4%be%9b%e7%9a%84%e6%b5%ae%e9%bb%9e-%e9%9b%99%e7%b2%be%e5%ba%a6%e5%80%bc%e7%82%ba-nan-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-vPduGRdHrd\">ORA-19189: FOCA0005: \u63d0\u4f9b\u7684\u6d6e\u9ede\/\u96d9\u7cbe\u5ea6\u503c\u70ba NaN 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 <code>ORA-19189<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 XML \u8655\u7406\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u6d6e\u9ede\u6216\u96d9\u7cbe\u5ea6\u6578\u503c\u6642\uff0c\u7576\u63d0\u4f9b\u7684\u6578\u503c\u70ba NaN\uff08Not a Number\uff09\u6642\uff0c\u4fbf\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-19189<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-vPduGRdHrd\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p><code>ORA-19189<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u6578\u64da\u5eab\u5728\u8655\u7406 XML \u6578\u64da\u6642\uff0c\u9047\u5230\u4e86\u7121\u6548\u7684\u6d6e\u9ede\u6216\u96d9\u7cbe\u5ea6\u6578\u503c\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u8f49\u63db\u932f\u8aa4\uff1a\u7576\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6578\u503c\u6642\uff0c\u5982\u679c\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4 NaN\u3002<\/li>\n<li>\u8a08\u7b97\u932f\u8aa4\uff1a\u5728\u9032\u884c\u6578\u5b78\u904b\u7b97\u6642\uff0c\u82e5\u51fa\u73fe\u9664\u4ee5\u96f6\u6216\u5176\u4ed6\u4e0d\u5408\u6cd5\u7684\u904b\u7b97\uff0c\u5247\u53ef\u80fd\u8fd4\u56de NaN\u3002<\/li>\n<li>\u6578\u64da\u6e90\u554f\u984c\uff1a\u5982\u679c\u5f9e\u5916\u90e8\u6578\u64da\u6e90\u7372\u53d6\u7684\u6578\u64da\u5305\u542b\u7121\u6548\u7684\u6d6e\u9ede\u6578\u503c\uff0c\u5247\u5728\u63d2\u5165\u6216\u67e5\u8a62\u6642\u4e5f\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%bd%b1%e9%9f%bf-vPduGRdHrd\">\u932f\u8aa4\u5f71\u97ff<\/h2>\n<p>\u7576 <code>ORA-19189<\/code> \u932f\u8aa4\u767c\u751f\u6642\uff0c\u5c07\u6703\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u5230 XML \u6578\u64da\u7684\u67e5\u8a62\u548c\u8655\u7406\u6642\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\uff0c\u751a\u81f3\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-vPduGRdHrd\">\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-19189<\/code> \u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e6%ba%90-vPduGRdHrd\">1. \u6aa2\u67e5\u6578\u64da\u6e90<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u6e90\u4e2d\u662f\u5426\u5b58\u5728\u7121\u6548\u7684\u6d6e\u9ede\u6216\u96d9\u7cbe\u5ea6\u6578\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE your_column IS NULL OR your_column = 'NaN';<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e8%bd%89%e6%8f%9b-vPduGRdHrd\">2. \u6578\u64da\u8f49\u63db<\/h3>\n<p>\u78ba\u4fdd\u5728\u9032\u884c\u6578\u64da\u8f49\u63db\u6642\uff0c\u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>TO_NUMBER<\/code> \u51fd\u6578\u6642\uff0c\u61c9\u78ba\u4fdd\u8f38\u5165\u7684\u5b57\u7b26\u4e32\u662f\u6709\u6548\u7684\u6578\u5b57\u683c\u5f0f\uff1a<\/p>\n<pre><code>SELECT TO_NUMBER(your_column) FROM your_table WHERE your_column IS NOT NULL;<\/code><\/pre>\n<h3 id=\"3-%e8%99%95%e7%90%86%e8%a8%88%e7%ae%97%e9%8c%af%e8%aa%a4-vPduGRdHrd\">3. \u8655\u7406\u8a08\u7b97\u932f\u8aa4<\/h3>\n<p>\u5728\u9032\u884c\u6578\u5b78\u904b\u7b97\u6642\uff0c\u61c9\u907f\u514d\u9664\u4ee5\u96f6\u7684\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528 CASE \u8a9e\u53e5\u4f86\u8655\u7406\u9019\u4e9b\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT CASE WHEN divisor = 0 THEN NULL ELSE numerator \/ divisor END AS result FROM your_table;<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e9%82%8f%e8%bc%af-vPduGRdHrd\">4. \u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f<\/h3>\n<p>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5b58\u5728\u5c0e\u81f4 NaN \u7684\u908f\u8f2f\u932f\u8aa4\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u4ee3\u78bc\u4fee\u6b63\u3002\u78ba\u4fdd\u6240\u6709\u6578\u64da\u8655\u7406\u908f\u8f2f\u90fd\u80fd\u6b63\u78ba\u8655\u7406\u908a\u754c\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-vPduGRdHrd\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a <code>ORA-19189<\/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\u9032\u884c\u5be6\u6642\u6545\u969c\u6392\u9664\u3002<\/li>\n<li>\u5229\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 Oracle SQL Developer\uff09\u9032\u884c\u9060\u7a0b\u67e5\u8a62\u548c\u6578\u64da\u6aa2\u67e5\u3002<\/li>\n<li>\u8207\u958b\u767c\u5718\u968a\u5354\u4f5c\uff0c\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u4ee3\u78bc\u548c\u6578\u64da\u90fd\u80fd\u6b63\u78ba\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vPduGRdHrd\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-19189<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u7121\u6548\u7684\u6d6e\u9ede\u6216\u96d9\u7cbe\u5ea6\u6578\u503c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u6e90\u3001\u6b63\u78ba\u8655\u7406\u6578\u64da\u8f49\u63db\u548c\u8a08\u7b97\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9060\u7a0b\u8655\u7406\u7684\u60c5\u6cc1\uff0c\u5229\u7528\u9060\u7a0b\u684c\u9762\u548c\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u5c07\u6709\u52a9\u65bc\u5feb\u901f\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-19189: FOCA0005 \u932f\u8aa4\uff0c\u8655\u7406 NaN \u6d6e\u9ede\/\u96d9\u7cbe\u5ea6\u503c\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u652f\u6301\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-87456","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87456","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=87456"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87456\/revisions"}],"predecessor-version":[{"id":87457,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87456\/revisions\/87457"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}