{"id":87834,"date":"2024-10-18T04:22:15","date_gmt":"2024-10-17T20:22:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87834\/"},"modified":"2024-10-18T04:22:15","modified_gmt":"2024-10-17T20:22:15","slug":"ora-22277-%e7%84%a1%e6%b3%95%e4%bd%bf%e7%94%a8%e5%85%a9%e5%80%8b%e4%b8%8d%e5%90%8c%e7%9a%84%e5%ae%9a%e4%bd%8d%e7%ac%a6%e4%bf%ae%e6%94%b9%e5%90%8c%e4%b8%80-lob-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/87834\/","title":{"rendered":"ORA-22277: \u7121\u6cd5\u4f7f\u7528\u5169\u500b\u4e0d\u540c\u7684\u5b9a\u4f4d\u7b26\u4fee\u6539\u540c\u4e00 LOB ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-22277-%e7%84%a1%e6%b3%95%e4%bd%bf%e7%94%a8%e5%85%a9%e5%80%8b%e4%b8%8d%e5%90%8c%e7%9a%84%e5%ae%9a%e4%bd%8d%e7%ac%a6%e4%bf%ae%e6%94%b9%e5%90%8c%e4%b8%80-lob-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85-TOQzikbocL\">ORA-22277: \u7121\u6cd5\u4f7f\u7528\u5169\u500b\u4e0d\u540c\u7684\u5b9a\u4f4d\u7b26\u4fee\u6539\u540c\u4e00 LOB 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\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-22277<\/code> \u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u540c\u6642\u4f7f\u7528\u5169\u500b\u4e0d\u540c\u7684\u5b9a\u4f4d\u7b26\u4f86\u4fee\u6539\u540c\u4e00\u500b\u5927\u578b\u5c0d\u8c61\uff08LOB\uff09\u6642\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=\"%e4%bb%80%e9%ba%bc%e6%98%af-lob%ef%bc%9f-TOQzikbocL\">\u4ec0\u9ebc\u662f LOB\uff1f<\/h2>\n<p>LOB\uff08Large Object\uff09\u662f Oracle \u6578\u64da\u5eab\u4e2d\u7528\u4f86\u5b58\u5132\u5927\u91cf\u6578\u64da\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u6587\u672c\u3001\u5716\u50cf\u6216\u5176\u4ed6\u5927\u578b\u6578\u64da\u3002Oracle \u63d0\u4f9b\u4e86\u5e7e\u7a2e LOB \u985e\u578b\uff0c\u5305\u62ec CLOB\uff08Character Large Object\uff09\u548c BLOB\uff08Binary Large Object\uff09\u3002\u9019\u4e9b\u5c0d\u8c61\u7684\u7279\u9ede\u662f\u53ef\u4ee5\u5b58\u5132\u8d85\u904e 4GB \u7684\u6578\u64da\uff0c\u4e26\u4e14\u53ef\u4ee5\u9032\u884c\u5206\u6bb5\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"ora-22277-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-TOQzikbocL\">ORA-22277 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u5617\u8a66\u4f7f\u7528\u5169\u500b\u4e0d\u540c\u7684\u5b9a\u4f4d\u7b26\u4f86\u4fee\u6539\u540c\u4e00\u500b LOB \u6642\uff0c\u7cfb\u7d71\u6703\u5831\u544a <code>ORA-22277<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\uff0c\u4f7f\u7528\u4e86\u5169\u500b\u4e0d\u540c\u7684 LOB \u5b9a\u4f4d\u7b26\u4f86\u66f4\u65b0\u540c\u4e00\u500b LOB\u3002<\/li>\n<li>\u5728\u4e00\u500b PL\/SQL \u7a0b\u5e8f\u4e2d\uff0c\u5c0d\u540c\u4e00 LOB \u9032\u884c\u4e86\u591a\u6b21\u64cd\u4f5c\uff0c\u4f46\u672a\u6b63\u78ba\u7ba1\u7406\u5b9a\u4f4d\u7b26\u3002<\/li>\n<li>\u5728\u591a\u500b\u6703\u8a71\u4e2d\u540c\u6642\u5617\u8a66\u4fee\u6539\u540c\u4e00 LOB\uff0c\u5c0e\u81f4\u5b9a\u4f4d\u7b26\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-22277-%e9%8c%af%e8%aa%a4-TOQzikbocL\">\u5982\u4f55\u4fee\u5fa9 ORA-22277 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-22277<\/code> \u932f\u8aa4\u7684\u95dc\u9375\u5728\u65bc\u6b63\u78ba\u7ba1\u7406 LOB \u7684\u5b9a\u4f4d\u7b26\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e4%bf%9d%e4%bd%bf%e7%94%a8%e5%96%ae%e4%b8%80%e5%ae%9a%e4%bd%8d%e7%ac%a6-TOQzikbocL\">1. \u78ba\u4fdd\u4f7f\u7528\u55ae\u4e00\u5b9a\u4f4d\u7b26<\/h3>\n<p>\u5728\u5c0d LOB \u9032\u884c\u64cd\u4f5c\u6642\uff0c\u61c9\u8a72\u78ba\u4fdd\u53ea\u4f7f\u7528\u4e00\u500b\u5b9a\u4f4d\u7b26\u4f86\u9032\u884c\u6240\u6709\u7684\u4fee\u6539\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    l_blob BLOB;\n    l_offset INTEGER := 1;\n    l_buffer RAW(32767);\nBEGIN\n    SELECT blob_column INTO l_blob FROM your_table WHERE your_condition FOR UPDATE;\n    \n    -- \u4f7f\u7528\u55ae\u4e00\u5b9a\u4f4d\u7b26\u9032\u884c\u4fee\u6539\n    DBMS_LOB.WRITEAPPEND(l_blob, LENGTH(l_buffer), l_buffer);\nEND;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e6%8e%a7%e5%88%b6-TOQzikbocL\">2. \u4f7f\u7528\u4e8b\u52d9\u63a7\u5236<\/h3>\n<p>\u5728\u9032\u884c LOB \u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u63a7\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>COMMIT<\/code> \u548c <code>ROLLBACK<\/code> \u4f86\u7ba1\u7406\u4e8b\u52d9\uff0c\u907f\u514d\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\u591a\u6b21\u4fee\u6539\u540c\u4e00 LOB\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e4%b8%a6%e7%99%bc%e6%93%8d%e4%bd%9c-TOQzikbocL\">3. \u6aa2\u67e5\u4e26\u767c\u64cd\u4f5c<\/h3>\n<p>\u5982\u679c\u591a\u500b\u6703\u8a71\u540c\u6642\u5617\u8a66\u4fee\u6539\u540c\u4e00 LOB\uff0c\u5247\u9700\u8981\u8003\u616e\u4f7f\u7528\u9396\u5b9a\u6a5f\u5236\u4f86\u907f\u514d\u885d\u7a81\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SELECT ... FOR UPDATE<\/code> \u8a9e\u53e5\u4f86\u9396\u5b9a LOB\uff0c\u78ba\u4fdd\u5728\u4fee\u6539\u6642\u4e0d\u6703\u6709\u5176\u4ed6\u6703\u8a71\u5e72\u64fe\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TOQzikbocL\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-22277<\/code> \u932f\u8aa4\u662f\u7531\u65bc\u540c\u6642\u4f7f\u7528\u591a\u500b\u5b9a\u4f4d\u7b26\u4f86\u4fee\u6539\u540c\u4e00 LOB \u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6b63\u78ba\u7ba1\u7406 LOB \u7684\u5b9a\u4f4d\u7b26\u3001\u4f7f\u7528\u4e8b\u52d9\u63a7\u5236\u4ee5\u53ca\u6aa2\u67e5\u4e26\u767c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u9019\u4e00\u932f\u8aa4\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u4e86\u89e3\u9019\u4e9b\u7d30\u7bc0\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-22277 \u932f\u8aa4\uff0c\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9\u7121\u6cd5\u4f7f\u7528\u5169\u500b\u4e0d\u540c\u5b9a\u4f4d\u7b26\u4fee\u6539\u540c\u4e00 LOB \u7684\u554f\u984c\uff0c\u63d0\u4f9b\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-87834","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87834","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=87834"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87834\/revisions"}],"predecessor-version":[{"id":87835,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87834\/revisions\/87835"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}