{"id":177733,"date":"2024-11-08T16:06:22","date_gmt":"2024-11-08T08:06:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177733\/"},"modified":"2024-11-08T16:06:22","modified_gmt":"2024-11-08T08:06:22","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41207-sqlstate-25000%ef%bc%88er_read_only_transaction%ef%bc%89%e5%9c%a8read-uncommitted%e4%ba%8b%e5%8b%99%e6%9c%9f%e9%96%93%e7%84%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177733\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41207 – SQLSTATE: 25000\uff08ER_READ_ONLY_TRANSACTION\uff09\u5728READ UNCOMMITTED\u4e8b\u52d9\u671f\u9593\u7121\u6cd5\u7372\u53d6\u66f4\u65b0\u9396"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41207 – SQLSTATE: 25000\uff08ER_READ_ONLY_TRANSACTION\uff09\u5728READ UNCOMMITTED\u4e8b\u52d9\u671f\u9593\u7121\u6cd5\u7372\u53d6\u66f4\u65b0\u9396<\/h1>\n

\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u932f\u8aa4\u4ee3\u78bc1207\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8207\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u6709\u95dc\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u60a8\u5728READ UNCOMMITTED\u4e8b\u52d9\u671f\u9593\u5617\u8a66\u7372\u53d6\u66f4\u65b0\u9396\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u80cc\u666f<\/h2>\n

MySQL\u7684\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u5b9a\u7fa9\u4e86\u4e8b\u52d9\u4e4b\u9593\u7684\u53ef\u898b\u6027\u548c\u76f8\u4e92\u5f71\u97ff\u7684\u7a0b\u5ea6\u3002READ UNCOMMITTED\u662f\u6700\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u5141\u8a31\u4e00\u500b\u4e8b\u52d9\u8b80\u53d6\u53e6\u4e00\u500b\u4e8b\u52d9\u672a\u63d0\u4ea4\u7684\u6578\u64da\u3002\u96d6\u7136\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n

\u7576\u60a8\u5728READ UNCOMMITTED\u4e8b\u52d9\u4e2d\u5617\u8a66\u7372\u53d6\u66f4\u65b0\u9396\u6642\uff0cMySQL\u6703\u5831\u544a\u932f\u8aa41207\uff0c\u56e0\u70ba\u5728\u9019\u7a2e\u9694\u96e2\u7d1a\u5225\u4e0b\uff0c\u4e8b\u52d9\u4e0d\u5141\u8a31\u9032\u884c\u5beb\u5165\u64cd\u4f5c\u3002\u9019\u610f\u5473\u8457\u60a8\u7121\u6cd5\u5c0d\u6578\u64da\u9032\u884c\u66f4\u65b0\uff0c\u5f9e\u800c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u51fa\u73fe\u7570\u5e38\u3002<\/p>\n

\u932f\u8aa4\u539f\u56e0<\/h2>\n

\u932f\u8aa41207\u7684\u4e3b\u8981\u539f\u56e0\u662f\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u8a2d\u7f6e\u4e0d\u7576\u3002\u7576\u60a8\u5728READ UNCOMMITTED\u4e8b\u52d9\u4e2d\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u6642\uff0cMySQL\u6703\u6aa2\u67e5\u7576\u524d\u4e8b\u52d9\u7684\u72c0\u614b\uff0c\u4e26\u767c\u73fe\u5b83\u7121\u6cd5\u7372\u53d6\u66f4\u65b0\u9396\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n

\u89e3\u6c7a\u65b9\u6848<\/h2>\n

\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n

1. \u66f4\u6539\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225<\/h3>\n

\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u5c07\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u66f4\u6539\u70ba\u66f4\u9ad8\u7684\u7d1a\u5225\uff0c\u4f8b\u5982READ COMMITTED\u6216REPEATABLE READ\u3002\u9019\u6a23\u53ef\u4ee5\u5141\u8a31\u4e8b\u52d9\u7372\u53d6\u66f4\u65b0\u9396\uff0c\u5f9e\u800c\u907f\u514d\u932f\u8aa4\u3002<\/p>\n

SET TRANSACTION ISOLATION LEVEL READ COMMITTED;\n<\/code><\/pre>\n
\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0c\u60a8\u53ef\u4ee5\u91cd\u65b0\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u61c9\u8a72\u4e0d\u6703\u518d\u51fa\u73fe\u932f\u8aa41207\u3002<\/p>\n
2. \u6aa2\u67e5\u4e8b\u52d9\u908f\u8f2f<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u932f\u8aa4\u53ef\u80fd\u662f\u7531\u65bc\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u4e0d\u7576\u5f15\u8d77\u7684\u3002\u78ba\u4fdd\u5728\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u4e8b\u52d9\u5df2\u6b63\u78ba\u958b\u59cb\u4e26\u4e14\u6c92\u6709\u5176\u4ed6\u4e8b\u52d9\u6b63\u5728\u4f54\u7528\u76f8\u540c\u7684\u8cc7\u6e90\u3002<\/p>\n
3. \u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565<\/h3>\n
\u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u5728READ UNCOMMITTED\u9694\u96e2\u7d1a\u5225\u4e0b\u904b\u884c\uff0c\u8003\u616e\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\u4f86\u907f\u514d\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u986f\u5f0f\u9396\u5b9a\u4f86\u78ba\u4fdd\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u6642\u4e0d\u6703\u6709\u5176\u4ed6\u4e8b\u52d9\u5e72\u64fe\u3002<\/p>\n
SELECT * FROM your_table WHERE condition FOR UPDATE;\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
MySQL\u932f\u8aa41207\uff08SQLSTATE: 25000\uff09\u901a\u5e38\u662f\u7531\u65bc\u5728READ UNCOMMITTED\u4e8b\u52d9\u671f\u9593\u5617\u8a66\u7372\u53d6\u66f4\u65b0\u9396\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u66f4\u6539\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u3001\u6aa2\u67e5\u4e8b\u52d9\u908f\u8f2f\u6216\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u4e86\u89e3\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u53ca\u5176\u5f71\u97ff\u5c0d\u65bc\u958b\u767c\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u7684\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4fee\u5fa9MySQL\u932f\u8aa41207\uff08ER_READ_ONLY_TRANSACTION\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u5728READ UNCOMMITTED\u4e8b\u52d9\u671f\u9593\u7121\u6cd5\u7372\u53d6\u66f4\u65b0\u9396\u7684\u554f\u984c\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-177733","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177733","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=177733"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177733\/revisions"}],"predecessor-version":[{"id":177734,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177733\/revisions\/177734"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}