{"id":91794,"date":"2024-10-19T00:13:26","date_gmt":"2024-10-18T16:13:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91794\/"},"modified":"2024-10-19T00:13:26","modified_gmt":"2024-10-18T16:13:26","slug":"ora-31679-%e8%a1%a8%e6%95%b8%e6%93%9a%e7%89%a9%e4%bb%b6%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%85%b7%e6%9c%89%e9%95%b7%e5%88%97%ef%bc%8c%e7%84%a1%e6%b3%95%e4%bd%bf%e7%94%a8%e7%b6%b2%e7%b5%a1%e9%8f%88%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/91794\/","title":{"rendered":"ORA-31679: \u8868\u6578\u64da\u7269\u4ef6\u5b57\u7b26\u4e32\u5177\u6709\u9577\u5217\uff0c\u7121\u6cd5\u4f7f\u7528\u7db2\u7d61\u93c8\u63a5\u52a0\u8f09\/\u5378\u8f09 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-31679-%e8%a1%a8%e6%95%b8%e6%93%9a%e7%89%a9%e4%bb%b6%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%85%b7%e6%9c%89%e9%95%b7%e5%88%97%ef%bc%8c%e7%84%a1%e6%b3%95%e4%bd%bf%e7%94%a8%e7%b6%b2%e7%b5%a1%e9%8f%88%e6%8e%a5-REfDAAgJkQ\">ORA-31679: \u8868\u6578\u64da\u7269\u4ef6\u5b57\u7b26\u4e32\u5177\u6709\u9577\u5217\uff0c\u7121\u6cd5\u4f7f\u7528\u7db2\u7d61\u93c8\u63a5\u52a0\u8f09\/\u5378\u8f09 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\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-31679<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u901a\u904e\u7db2\u7d61\u93c8\u63a5\u52a0\u8f09\u6216\u5378\u8f09\u6578\u64da\u6642\uff0c\u7279\u5225\u662f\u7576\u6d89\u53ca\u5230\u9577\u5217\u7684\u8868\u6578\u64da\u7269\u4ef6\u6642\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=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-REfDAAgJkQ\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p><code>ORA-31679<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f Oracle \u6578\u64da\u5eab\u5728\u8655\u7406\u9577\u5217\u6642\u7684\u9650\u5236\u3002\u9577\u5217\u901a\u5e38\u6307\u7684\u662f\u90a3\u4e9b\u8d85\u904e\u7279\u5b9a\u5927\u5c0f\u7684\u5217\uff0c\u4f8b\u5982 CLOB \u6216 BLOB \u985e\u578b\u7684\u6578\u64da\u3002\u7576\u9019\u4e9b\u9577\u5217\u7684\u6578\u64da\u901a\u904e\u7db2\u7d61\u93c8\u63a5\u9032\u884c\u52a0\u8f09\u6216\u5378\u8f09\u6642\uff0cOracle \u6703\u56e0\u70ba\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u9019\u4e9b\u6578\u64da\u800c\u5831\u932f\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf%e7%af%84%e5%9c%8d-REfDAAgJkQ\">\u5f71\u97ff\u7bc4\u570d<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u4e0d\u50c5\u5f71\u97ff\u6578\u64da\u7684\u52a0\u8f09\u548c\u5378\u8f09\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5b8c\u6574\u6027\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u5099\u4efd\u6642\u3002\u82e5\u4e0d\u53ca\u6642\u8655\u7406\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\uff0c\u751a\u81f3\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-REfDAAgJkQ\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a <code>ORA-31679<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u6578\u64da\u985e\u578b\uff1a<\/strong> \u78ba\u8a8d\u8868\u4e2d\u9577\u5217\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u8003\u616e\u5c07\u5176\u8f49\u63db\u70ba\u66f4\u9069\u5408\u7684\u985e\u578b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u672c\u5730\u93c8\u63a5\uff1a<\/strong> \u5982\u679c\u53ef\u80fd\uff0c\u5617\u8a66\u4f7f\u7528\u672c\u5730\u93c8\u63a5\u800c\u975e\u7db2\u7d61\u93c8\u63a5\u4f86\u52a0\u8f09\u6216\u5378\u8f09\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u7db2\u7d61\u50b3\u8f38\u904e\u7a0b\u4e2d\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u8abf\u6574\u53c3\u6578\u8a2d\u7f6e\uff1a<\/strong> \u6aa2\u67e5 Oracle \u6578\u64da\u5eab\u7684\u53c3\u6578\u8a2d\u7f6e\uff0c\u7279\u5225\u662f\u8207\u7db2\u7d61\u548c\u9577\u5217\u8655\u7406\u76f8\u95dc\u7684\u8a2d\u7f6e\u3002\u53ef\u4ee5\u8003\u616e\u8abf\u6574 <code>MAX_STRING_SIZE<\/code> \u53c3\u6578\u3002<\/li>\n<li><strong>\u5206\u6279\u8655\u7406\uff1a<\/strong> \u5c07\u9577\u5217\u6578\u64da\u5206\u6279\u8655\u7406\uff0c\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f09\u904e\u591a\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u51fa\u932f\u7684\u6a5f\u6703\u3002<\/li>\n<li><strong>\u4f7f\u7528 PL\/SQL \u8173\u672c\uff1a<\/strong> \u7de8\u5beb PL\/SQL \u8173\u672c\u4f86\u8655\u7406\u9577\u5217\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u63a7\u5236\u6578\u64da\u7684\u52a0\u8f09\u548c\u5378\u8f09\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-REfDAAgJkQ\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 PL\/SQL \u8173\u672c\u793a\u4f8b\uff0c\u7528\u65bc\u8655\u7406\u9577\u5217\u6578\u64da\uff1a<\/p>\n<pre><code>\nDECLARE\n    v_data CLOB;\nBEGIN\n    -- \u5047\u8a2d\u5f9e\u67d0\u500b\u8868\u4e2d\u9078\u53d6\u9577\u5217\u6578\u64da\n    SELECT long_column INTO v_data FROM your_table WHERE condition;\n    \n    -- \u5c07\u6578\u64da\u5beb\u5165\u53e6\u4e00\u500b\u8868\n    INSERT INTO another_table (long_column) VALUES (v_data);\n    \n    COMMIT;\nEXCEPTION\n    WHEN OTHERS THEN\n        ROLLBACK;\n        DBMS_OUTPUT.PUT_LINE('Error: ' || SQLERRM);\nEND;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-REfDAAgJkQ\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-31679<\/code> \u932f\u8aa4\u901a\u5e38\u8207\u9577\u5217\u7684\u8655\u7406\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u672c\u5730\u93c8\u63a5\u3001\u8abf\u6574\u53c3\u6578\u8a2d\u7f6e\u3001\u5206\u6279\u8655\u7406\u4ee5\u53ca\u7de8\u5beb PL\/SQL \u8173\u672c\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u53ca\u6642\u8655\u7406\u9019\u985e\u932f\u8aa4\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-31679\u932f\u8aa4\uff0c\u4e86\u89e3\u8868\u6578\u64da\u7269\u4ef6\u9577\u5217\u554f\u984c\uff0c\u4e26\u638c\u63e1Oracle\u5831\u932f\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\u6280\u5de7\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-91794","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91794","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=91794"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91794\/revisions"}],"predecessor-version":[{"id":91795,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91794\/revisions\/91795"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}