{"id":93082,"date":"2024-10-19T10:58:15","date_gmt":"2024-10-19T02:58:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93082\/"},"modified":"2024-10-19T10:58:16","modified_gmt":"2024-10-19T02:58:16","slug":"ora-48248-%e5%87%bd%e6%95%b8-string-%e9%a1%9e%e5%9e%8b%e6%aa%a2%e6%9f%a5%e9%8c%af%e8%aa%a4-ityp-string-typ-string-arg-string-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\/93082\/","title":{"rendered":"ORA-48248: \u51fd\u6578 string \u985e\u578b\u6aa2\u67e5\u932f\u8aa4; ityp = string typ = string arg = string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-48248-%e5%87%bd%e6%95%b8-string-%e9%a1%9e%e5%9e%8b%e6%aa%a2%e6%9f%a5%e9%8c%af%e8%aa%a4%e7%9a%84%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e8%88%87%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-JMqBplXXvP\">ORA-48248: \u51fd\u6578 string \u985e\u578b\u6aa2\u67e5\u932f\u8aa4\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\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\u662fORA-48248\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u51fd\u6578\u7684\u985e\u578b\u6aa2\u67e5\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5b57\u7b26\u4e32\u985e\u578b\u7684\u53c3\u6578\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-48248\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-48248%e7%9a%84%e5%8e%9f%e5%9b%a0-JMqBplXXvP\">ORA-48248\u7684\u539f\u56e0<\/h2>\n<p>ORA-48248\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u4e0d\u5339\u914d\u6642\uff0cOracle\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u78ba\u57f7\u884c\u8a72\u51fd\u6578\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u51fd\u6578\u671f\u671b\u63a5\u6536\u4e00\u500b\u7279\u5b9a\u985e\u578b\u7684\u5b57\u7b26\u4e32\uff0c\u4f46\u5be6\u969b\u4e0a\u537b\u63a5\u6536\u5230\u53e6\u4e00\u7a2e\u5b57\u7b26\u4e32\u985e\u578b\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/p>\n<ul>\n<li><strong>\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u4f8b\u5982\uff0c\u51fd\u6578\u671f\u671b\u63a5\u6536VARCHAR2\u985e\u578b\u7684\u53c3\u6578\uff0c\u4f46\u5be6\u969b\u4e0a\u537b\u50b3\u905e\u4e86CHAR\u985e\u578b\u7684\u53c3\u6578\u3002<\/li>\n<li><strong>\u6578\u64da\u683c\u5f0f\u554f\u984c\uff1a<\/strong>\u5982\u679c\u50b3\u905e\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u4e0d\u7b26\u5408\u51fd\u6578\u7684\u8981\u6c42\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u51fd\u6578\u5b9a\u7fa9\u932f\u8aa4\uff1a<\/strong>\u5728\u5275\u5efa\u51fd\u6578\u6642\uff0c\u5982\u679c\u672a\u6b63\u78ba\u5b9a\u7fa9\u53c3\u6578\u985e\u578b\uff0c\u5247\u5728\u8abf\u7528\u6642\u53ef\u80fd\u6703\u51fa\u73fe\u985e\u4f3c\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9ora-48248%e9%8c%af%e8%aa%a4-JMqBplXXvP\">\u5982\u4f55\u4fee\u5fa9ORA-48248\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9ORA-48248\u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%87%bd%e6%95%b8%e5%ae%9a%e7%be%a9-JMqBplXXvP\">1. \u6aa2\u67e5\u51fd\u6578\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u51fd\u6578\u7684\u5b9a\u7fa9\uff0c\u78ba\u4fdd\u6240\u6709\u53c3\u6578\u7684\u985e\u578b\u90fd\u6b63\u78ba\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE OR REPLACE FUNCTION my_function(p_param IN VARCHAR2) RETURN VARCHAR2 IS\nBEGIN\n    -- \u51fd\u6578\u908f\u8f2f\nEND;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e8%aa%bf%e7%94%a8%e6%99%82%e7%9a%84%e5%8f%83%e6%95%b8%e9%a1%9e%e5%9e%8b-JMqBplXXvP\">2. \u78ba\u8a8d\u8abf\u7528\u6642\u7684\u53c3\u6578\u985e\u578b<\/h3>\n<p>\u5728\u8abf\u7528\u51fd\u6578\u6642\uff0c\u78ba\u4fdd\u50b3\u905e\u7684\u53c3\u6578\u985e\u578b\u8207\u51fd\u6578\u5b9a\u7fa9\u4e2d\u7684\u985e\u578b\u4e00\u81f4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    v_result VARCHAR2(100);\nBEGIN\n    v_result := my_function('test string'); -- \u78ba\u4fdd\u9019\u88e1\u7684\u53c3\u6578\u985e\u578b\u6b63\u78ba\nEND;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%a1%af%e5%bc%8f%e8%bd%89%e6%8f%9b-JMqBplXXvP\">3. \u4f7f\u7528\u986f\u5f0f\u8f49\u63db<\/h3>\n<p>\u5982\u679c\u9700\u8981\u50b3\u905e\u4e0d\u540c\u985e\u578b\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u986f\u5f0f\u8f49\u63db\u4f86\u89e3\u6c7a\u985e\u578b\u4e0d\u5339\u914d\u7684\u554f\u984c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>v_result := my_function(TO_CHAR(some_other_type));<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86ora-48248%e9%8c%af%e8%aa%a4-JMqBplXXvP\">\u9060\u7a0b\u8655\u7406ORA-48248\u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u4f01\u696d\u74b0\u5883\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7aORA-48248\u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u901a\u904e\u9060\u7a0b\u684c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u670d\u52d9\u5668\uff0c\u76f4\u63a5\u6aa2\u67e5\u548c\u4fee\u6539\u51fd\u6578\u5b9a\u7fa9\u3002<\/li>\n<li><strong>\u4f7f\u7528SQL*Plus\u6216\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u5728\u672c\u5730\u6a5f\u5668\u4e0a\u4f7f\u7528SQL*Plus\u7b49\u5de5\u5177\u9023\u63a5\u5230\u9060\u7a0b\u6578\u64da\u5eab\uff0c\u57f7\u884c\u5fc5\u8981\u7684\u67e5\u8a62\u548c\u4fee\u6539\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\u5206\u6790\uff1a<\/strong>\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u6709\u95dc\u932f\u8aa4\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u9019\u6709\u52a9\u65bc\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JMqBplXXvP\">\u7e3d\u7d50<\/h2>\n<p>ORA-48248\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u51fd\u6578\u53c3\u6578\u985e\u578b\u4e0d\u5339\u914d\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u51fd\u6578\u5b9a\u7fa9\u3001\u8abf\u7528\u6642\u7684\u53c3\u6578\u985e\u578b\u4ee5\u53ca\u4f7f\u7528\u986f\u5f0f\u8f49\u63db\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5728\u9700\u8981\u7684\u60c5\u6cc1\u4e0b\uff0c\u9060\u7a0b\u8655\u7406\u4e5f\u80fd\u5e6b\u52a9\u5feb\u901f\u89e3\u6c7a\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u904b\u884c\u74b0\u5883\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-48248 \u932f\u8aa4\uff0c\u6d89\u53ca\u51fd\u6578 string \u985e\u578b\u6aa2\u67e5\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\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-93082","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93082","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=93082"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93082\/revisions"}],"predecessor-version":[{"id":93083,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93082\/revisions\/93083"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}