{"id":89764,"date":"2024-10-18T12:38:17","date_gmt":"2024-10-18T04:38:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/89764\/"},"modified":"2024-10-18T12:38:17","modified_gmt":"2024-10-18T04:38:17","slug":"ora-26679-%e5%9c%a8-lob-%e6%88%96-long-%e5%88%97%e4%b8%ad%e4%b8%8d%e5%85%81%e8%a8%b1%e9%80%b2%e8%a1%8c%e6%93%8d%e4%bd%9c-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/89764\/","title":{"rendered":"ORA-26679: \u5728 LOB \u6216 LONG \u5217\u4e2d\u4e0d\u5141\u8a31\u9032\u884c\u64cd\u4f5c ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-26679-%e5%9c%a8-lob-%e6%88%96-long-%e5%88%97%e4%b8%ad%e4%b8%8d%e5%85%81%e8%a8%b1%e9%80%b2%e8%a1%8c%e6%93%8d%e4%bd%9c-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0-ExaMUSFJDO\">ORA-26679: \u5728 LOB \u6216 LONG \u5217\u4e2d\u4e0d\u5141\u8a31\u9032\u884c\u64cd\u4f5c 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-26679<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5c0d LOB\uff08Large Object\uff09\u6216 LONG \u5217\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u8868\u793a\u5728\u9019\u4e9b\u5217\u4e2d\u4e0d\u5141\u8a31\u9032\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-26679-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-ExaMUSFJDO\">ORA-26679 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u5617\u8a66\u5c0d LOB \u6216 LONG \u5217\u9032\u884c\u4e0d\u652f\u6301\u7684\u64cd\u4f5c\u6642\uff0c\u4fbf\u6703\u89f8\u767c <code>ORA-26679<\/code> \u932f\u8aa4\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5c0d LOB \u5217\u9032\u884c\u4e0d\u7576\u7684\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u3002<\/li>\n<li>\u5728\u4e8b\u52d9\u4e2d\u4f7f\u7528\u4e0d\u652f\u6301\u7684 SQL \u8a9e\u53e5\u3002<\/li>\n<li>\u5617\u8a66\u5728 LOB \u5217\u4e0a\u57f7\u884c\u67d0\u4e9b\u805a\u5408\u51fd\u6578\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u7576\u4f60\u5617\u8a66\u4f7f\u7528 <code>UPDATE<\/code> \u8a9e\u53e5\u66f4\u65b0\u4e00\u500b LOB \u5217\u6642\uff0c\u5982\u679c\u8a72\u5217\u7684\u6578\u64da\u985e\u578b\u4e0d\u652f\u6301\u8a72\u64cd\u4f5c\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e5%95%8f%e9%a1%8c-ExaMUSFJDO\">\u5982\u4f55\u8b58\u5225\u554f\u984c<\/h2>\n<p>\u8981\u6709\u6548\u5730\u8b58\u5225\u548c\u89e3\u6c7a <code>ORA-26679<\/code> \u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u5f15\u767c\u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u9032\u884c\u6392\u67e5\uff1a<\/p>\n<ol>\n<li>\u6aa2\u67e5 SQL \u8a9e\u53e5\u7684\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u5176\u7b26\u5408 Oracle \u7684\u8981\u6c42\u3002<\/li>\n<li>\u78ba\u8a8d LOB \u6216 LONG \u5217\u7684\u6578\u64da\u985e\u578b\u53ca\u5176\u5c6c\u6027\uff0c\u78ba\u4fdd\u4f60\u6240\u57f7\u884c\u7684\u64cd\u4f5c\u662f\u88ab\u652f\u6301\u7684\u3002<\/li>\n<li>\u67e5\u770b\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u8207\u8a72\u932f\u8aa4\u76f8\u95dc\u7684\u66f4\u591a\u4fe1\u606f\u3002<\/li>\n<\/ol>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-ExaMUSFJDO\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u554f\u984c\u7684\u6839\u6e90\uff0c\u63a5\u4e0b\u4f86\u4fbf\u662f\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4fee\u5fa9\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%94%b9-sql-%e8%aa%9e%e5%8f%a5-ExaMUSFJDO\">1. \u4fee\u6539 SQL \u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u767c\u73fe SQL \u8a9e\u53e5\u4e0d\u6b63\u78ba\uff0c\u5247\u9700\u8981\u6839\u64da Oracle \u7684\u6587\u6a94\u9032\u884c\u4fee\u6539\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc LOB \u5217\u7684\u66f4\u65b0\uff0c\u61c9\u4f7f\u7528 <code>DBMS_LOB<\/code> \u5305\u4f86\u9032\u884c\u64cd\u4f5c\uff1a<\/p>\n<pre><code>DECLARE\n    v_blob BLOB;\nBEGIN\n    SELECT my_blob_column INTO v_blob FROM my_table WHERE id = 1;\n    DBMS_LOB.WRITEAPPEND(v_blob, LENGTH('new data'), UTL_I18N.STRING_TO_RAW('new data', 'AL32UTF8'));\n    UPDATE my_table SET my_blob_column = v_blob WHERE id = 1;\nEND;<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-ExaMUSFJDO\">2. \u6aa2\u67e5\u4e8b\u52d9\u7ba1\u7406<\/h3>\n<p>\u78ba\u4fdd\u5728\u9032\u884c LOB \u64cd\u4f5c\u6642\uff0c\u4e8b\u52d9\u7ba1\u7406\u6b63\u78ba\u3002\u5c0d\u65bc LOB \u5217\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u9700\u8981\u5728\u4e8b\u52d9\u4e2d\u4f7f\u7528 <code>COMMIT<\/code> \u4f86\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e5%b7%a5%e5%85%b7-ExaMUSFJDO\">3. \u4f7f\u7528\u9069\u7576\u7684\u5de5\u5177<\/h3>\n<p>\u8003\u616e\u4f7f\u7528 Oracle \u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982 SQL Developer \u6216 PL\/SQL Developer\uff0c\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8abf\u8a66 LOB \u5217\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ExaMUSFJDO\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-26679<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5c0d LOB \u6216 LONG \u5217\u9032\u884c\u4e0d\u7576\u64cd\u4f5c\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u53e5\u3001\u78ba\u8a8d\u6578\u64da\u985e\u578b\u53ca\u5176\u5c6c\u6027\uff0c\u4ee5\u53ca\u9075\u5faa\u6b63\u78ba\u7684\u4e8b\u52d9\u7ba1\u7406\u6b65\u9a5f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9032\u4e00\u6b65\u652f\u6301\u7684\u7528\u6236\uff0c\u8003\u616e\u4f7f\u7528\u5c08\u696d\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-26679 \u932f\u8aa4\uff0c\u4e86\u89e3\u5728 LOB \u6216 LONG \u5217\u4e2d\u4e0d\u5141\u8a31\u7684\u64cd\u4f5c\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-89764","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89764","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=89764"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89764\/revisions"}],"predecessor-version":[{"id":89765,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89764\/revisions\/89765"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=89764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=89764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=89764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}