{"id":177895,"date":"2024-11-08T16:27:20","date_gmt":"2024-11-08T08:27:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177895\/"},"modified":"2024-11-08T16:27:21","modified_gmt":"2024-11-08T08:27:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41229-sqlstate-hy000-er_global_variable-%e8%ae%8a%e9%87%8fs%e6%98%af%e4%b8%80%e5%80%8bglobal%e8%ae%8a%e9%87%8f%ef%bc%8c%e6%87%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177895\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41229 &#8211; SQLSTATE: HY000 (ER_GLOBAL_VARIABLE) \u8b8a\u91cf&#8217;%s&#8217;\u662f\u4e00\u500bGLOBAL\u8b8a\u91cf\uff0c\u61c9\u8a72\u4f7f\u7528SET GLOBAL\u8a2d\u7f6e"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41229-sqlstate-hy000-er_global_variable-WjdnZkldGd\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41229 &#8211; SQLSTATE: HY000 (ER_GLOBAL_VARIABLE)<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41229\uff0c\u8a72\u932f\u8aa4\u7684\u63d0\u793a\u4fe1\u606f\u70ba\u201c\u8b8a\u91cf&#8217;%s&#8217;\u662f\u4e00\u500bGLOBAL\u8b8a\u91cf\uff0c\u61c9\u8a72\u4f7f\u7528SET GLOBAL\u8a2d\u7f6e\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u4f7f\u7528SET\u547d\u4ee4\u4fee\u6539\u5168\u5c40\u8b8a\u91cf\u6642\uff0c\u4f46\u537b\u5728\u6703\u8a71\u7bc4\u570d\u5167\u9032\u884c\u4e86\u8a2d\u7f6e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41229%e7%9a%84%e5%8e%9f%e5%9b%a0-WjdnZkldGd\">\u932f\u8aa41229\u7684\u539f\u56e0<\/h2>\n<p>MySQL\u4e2d\u7684\u8b8a\u91cf\u5206\u70ba\u5168\u5c40\u8b8a\u91cf\u548c\u6703\u8a71\u8b8a\u91cf\u3002\u5168\u5c40\u8b8a\u91cf\u5f71\u97ff\u6574\u500b\u6578\u64da\u5eab\u5be6\u4f8b\uff0c\u800c\u6703\u8a71\u8b8a\u91cf\u50c5\u5f71\u97ff\u7576\u524d\u9023\u63a5\u7684\u6703\u8a71\u3002\u7576\u4f60\u5617\u8a66\u5728\u6703\u8a71\u4e2d\u4f7f\u7528SET\u547d\u4ee4\u4f86\u4fee\u6539\u4e00\u500b\u5168\u5c40\u8b8a\u91cf\u6642\uff0cMySQL\u6703\u8fd4\u56de\u932f\u8aa41229\uff0c\u56e0\u70ba\u9019\u7a2e\u64cd\u4f5c\u4e0d\u88ab\u5141\u8a31\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u4f60\u60f3\u8981\u4fee\u6539\u5168\u5c40\u8b8a\u91cfmax_connections\uff0c\u6b63\u78ba\u7684\u505a\u6cd5\u61c9\u8a72\u662f\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET GLOBAL max_connections = 200;<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5728\u6703\u8a71\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET max_connections = 200;<\/code><\/pre>\n<p>\u5247\u6703\u5c0e\u81f4\u932f\u8aa41229\u7684\u51fa\u73fe\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41229-WjdnZkldGd\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41229<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u4f60\u662f\u5426\u771f\u7684\u9700\u8981\u4fee\u6539\u5168\u5c40\u8b8a\u91cf\u3002\u5982\u679c\u662f\uff0c\u5247\u61c9\u4f7f\u7528SET GLOBAL\u547d\u4ee4\u3002\u5982\u679c\u4f60\u53ea\u60f3\u4fee\u6539\u7576\u524d\u6703\u8a71\u7684\u8b8a\u91cf\uff0c\u5247\u61c9\u4f7f\u7528SET SESSION\u547d\u4ee4\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8set-global%e5%91%bd%e4%bb%a4-WjdnZkldGd\">\u4f7f\u7528SET GLOBAL\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4fee\u6539\u5168\u5c40\u8b8a\u91cf\uff0c\u8acb\u78ba\u4fdd\u4f60\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u6b64\u64cd\u4f5c\u3002\u901a\u5e38\uff0c\u53ea\u6709\u5177\u6709SUPER\u6b0a\u9650\u7684\u7528\u6236\u624d\u80fd\u4fee\u6539\u5168\u5c40\u8b8a\u91cf\u3002\u4ee5\u4e0b\u662f\u6b63\u78ba\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET GLOBAL max_connections = 200;<\/code><\/pre>\n<p>\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u8b8a\u91cf\u7684\u7576\u524d\u503c\uff1a<\/p>\n<pre><code>SHOW GLOBAL VARIABLES LIKE 'max_connections';<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8set-session%e5%91%bd%e4%bb%a4-WjdnZkldGd\">\u4f7f\u7528SET SESSION\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u4f60\u53ea\u60f3\u5728\u7576\u524d\u6703\u8a71\u4e2d\u4fee\u6539\u8b8a\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528SET SESSION\u547d\u4ee4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET SESSION max_connections = 100;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u7f6e\u53ea\u6703\u5f71\u97ff\u7576\u524d\u7684\u9023\u63a5\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u7528\u6236\u6216\u6703\u8a71\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e6%ac%8a%e9%99%90-WjdnZkldGd\">\u6aa2\u67e5\u6b0a\u9650<\/h2>\n<p>\u5982\u679c\u4f60\u5728\u57f7\u884cSET GLOBAL\u547d\u4ee4\u6642\u9047\u5230\u6b0a\u9650\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u7576\u524d\u7528\u6236\u7684\u6b0a\u9650\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7528\u6236\u7684\u6b0a\u9650\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR CURRENT_USER;<\/code><\/pre>\n<p>\u5982\u679c\u7576\u524d\u7528\u6236\u6c92\u6709SUPER\u6b0a\u9650\uff0c\u4f60\u9700\u8981\u4f7f\u7528\u5177\u6709\u8db3\u5920\u6b0a\u9650\u7684\u7528\u6236\u4f86\u57f7\u884c\u5168\u5c40\u8b8a\u91cf\u7684\u4fee\u6539\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WjdnZkldGd\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41229\u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u5728\u6703\u8a71\u7bc4\u570d\u5167\u4fee\u6539\u5168\u5c40\u8b8a\u91cf\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u4f7f\u7528SET GLOBAL\u547d\u4ee4\u4f86\u6b63\u78ba\u8a2d\u7f6e\u5168\u5c40\u8b8a\u91cf\uff0c\u6216\u4f7f\u7528SET SESSION\u547d\u4ee4\u4f86\u8a2d\u7f6e\u6703\u8a71\u8b8a\u91cf\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u78ba\u4fdd\u4f60\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u9019\u4e9b\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u4f60\u7684\u61c9\u7528\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u548c\u9748\u6d3b\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41229\u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u5982\u4f55\u6b63\u78ba\u4f7f\u7528SET GLOBAL\u8a2d\u7f6eGLOBAL\u8b8a\u91cf\uff0c\u907f\u514dSQLSTATE: HY000\u932f\u8aa4\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-177895","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177895","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=177895"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177895\/revisions"}],"predecessor-version":[{"id":177896,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177895\/revisions\/177896"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}