{"id":177065,"date":"2024-11-08T13:03:19","date_gmt":"2024-11-08T05:03:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177065\/"},"modified":"2024-11-08T13:03:20","modified_gmt":"2024-11-08T05:03:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41022-sql%e7%8b%80%e6%85%8b%ef%bc%9a23000%ef%bc%88er_dup_key%ef%bc%89%e7%84%a1%e6%b3%95%e5%af%ab%e5%85%a5%ef%bc%85s","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177065\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41022 &#8211; SQL\u72c0\u614b\uff1a23000\uff08ER_DUP_KEY\uff09\u7121\u6cd5\u5beb\u5165\u201c\uff05s\u201d\u8868\u4e2d\u7684\u91cd\u8907\u9375"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41022-sql%e7%8b%80%e6%85%8b%ef%bc%9a23000%ef%bc%88er_dup_key%ef%bc%89%e7%84%a1%e6%b3%95%e5%af%ab%e5%85%a5%ef%bc%85s-XmFCSKlnsp\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41022 &#8211; SQL\u72c0\u614b\uff1a23000\uff08ER_DUP_KEY\uff09\u7121\u6cd5\u5beb\u5165\u201c\uff05s\u201d\u8868\u4e2d\u7684\u91cd\u8907\u9375<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\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\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc1022\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\u51fa\u73fe\u4e86\u91cd\u8907\u9375\u7684\u554f\u984c\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41022%e7%9a%84%e5%8e%9f%e5%9b%a0-XmFCSKlnsp\">\u932f\u8aa41022\u7684\u539f\u56e0<\/h2>\n<p>MySQL\u932f\u8aa41022\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201c\u7121\u6cd5\u5beb\u5165\u2018%s\u2019\u8868\u4e2d\u7684\u91cd\u8907\u9375\u201d\uff0c\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u9375\u6216\u552f\u4e00\u7d22\u5f15\u885d\u7a81\uff1a<\/strong>\u7576\u60a8\u5617\u8a66\u63d2\u5165\u4e00\u689d\u8a18\u9304\uff0c\u800c\u8a72\u8a18\u9304\u7684\u4e3b\u9375\u6216\u552f\u4e00\u7d22\u5f15\u5df2\u7d93\u5b58\u5728\u65bc\u8868\u4e2d\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u9396\u5b9a\uff1a<\/strong>\u5982\u679c\u5728\u4e8b\u52d9\u4e2d\u5c0d\u8868\u9032\u884c\u4e86\u9396\u5b9a\uff0c\u4e26\u4e14\u53e6\u4e00\u500b\u4e8b\u52d9\u5617\u8a66\u63d2\u5165\u76f8\u540c\u7684\u9375\u503c\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\u554f\u984c\uff1a<\/strong>\u4e0d\u7576\u7684\u6578\u64da\u5eab\u8a2d\u8a08\uff0c\u4f8b\u5982\u7f3a\u4e4f\u9069\u7576\u7684\u7d22\u5f15\u6216\u4e0d\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u91cd\u8907\u9375\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41022-XmFCSKlnsp\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41022<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41022\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a-XmFCSKlnsp\">1. \u6aa2\u67e5\u6578\u64da<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u8981\u63d2\u5165\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u5b83\u4e0d\u6703\u8207\u73fe\u6709\u6578\u64da\u885d\u7a81\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u91cd\u8907\u7684\u9375\u503c\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE your_unique_column = 'value';<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8a62\u7d50\u679c\u8fd4\u56de\u4e86\u73fe\u6709\u7684\u8a18\u9304\uff0c\u5247\u9700\u8981\u66f4\u6539\u8981\u63d2\u5165\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8insert-ignore%e6%88%96replace-into-XmFCSKlnsp\">2. \u4f7f\u7528INSERT IGNORE\u6216REPLACE INTO<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5728\u63d2\u5165\u6642\u5ffd\u7565\u91cd\u8907\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT IGNORE\u8a9e\u53e5\u3002\u9019\u6a23\uff0c\u5982\u679c\u63d2\u5165\u7684\u8a18\u9304\u8207\u73fe\u6709\u8a18\u9304\u885d\u7a81\uff0cMySQL\u5c07\u4e0d\u6703\u5831\u932f\uff0c\u800c\u662f\u7c21\u55ae\u5730\u5ffd\u7565\u8a72\u64cd\u4f5c\uff1a<\/p>\n<pre><code>INSERT IGNORE INTO your_table (your_unique_column) VALUES ('value');<\/code><\/pre>\n<p>\u53e6\u4e00\u7a2e\u9078\u64c7\u662f\u4f7f\u7528REPLACE INTO\u8a9e\u53e5\uff0c\u9019\u5c07\u522a\u9664\u73fe\u6709\u7684\u8a18\u9304\u4e26\u63d2\u5165\u65b0\u7684\u8a18\u9304\uff1a<\/p>\n<pre><code>REPLACE INTO your_table (your_unique_column) VALUES ('value');<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e4%ba%8b%e5%8b%99%e5%92%8c%e9%8e%96%e5%ae%9a-XmFCSKlnsp\">3. \u6aa2\u67e5\u4e8b\u52d9\u548c\u9396\u5b9a<\/h3>\n<p>\u5982\u679c\u60a8\u5728\u4f7f\u7528\u4e8b\u52d9\uff0c\u8acb\u78ba\u4fdd\u6c92\u6709\u5176\u4ed6\u4e8b\u52d9\u6b63\u5728\u9396\u5b9a\u8a72\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u7684\u9396\u5b9a\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SHOW OPEN TABLES WHERE In_use &gt; 0;<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6709\u9396\u5b9a\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u7b49\u5f85\u9396\u5b9a\u91cb\u653e\u6216\u624b\u52d5\u7d42\u6b62\u76f8\u95dc\u7684\u4e8b\u52d9\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-XmFCSKlnsp\">4. \u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5982\u679c\u7d93\u5e38\u9047\u5230\u91cd\u8907\u9375\u7684\u554f\u984c\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u8003\u616e\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3002\u78ba\u4fdd\u9069\u7576\u4f7f\u7528\u4e3b\u9375\u548c\u552f\u4e00\u7d22\u5f15\uff0c\u4e26\u8003\u616e\u662f\u5426\u9700\u8981\u5c0d\u67d0\u4e9b\u5217\u9032\u884c\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XmFCSKlnsp\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41022\u901a\u5e38\u662f\u7531\u65bc\u91cd\u8907\u9375\u5f15\u8d77\u7684\uff0c\u89e3\u6c7a\u6b64\u554f\u984c\u9700\u8981\u6aa2\u67e5\u6578\u64da\u3001\u4f7f\u7528\u9069\u7576\u7684SQL\u8a9e\u53e5\u3001\u7ba1\u7406\u4e8b\u52d9\u9396\u5b9a\u4ee5\u53ca\u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u932f\u8aa4\u4e26\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\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\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41022\uff08ER_DUP_KEY\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u7121\u6cd5\u5beb\u5165\u8868\u4e2d\u91cd\u8907\u9375\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\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-177065","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177065","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=177065"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177065\/revisions"}],"predecessor-version":[{"id":177066,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177065\/revisions\/177066"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}