{"id":186386,"date":"2024-11-11T05:29:23","date_gmt":"2024-11-10T21:29:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186386\/"},"modified":"2024-11-11T05:29:24","modified_gmt":"2024-11-10T21:29:24","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84ignore%ef%bc%9a%e8%ae%93%e4%bd%a0%e7%9a%84%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e6%9b%b4%e8%bc%95%e9%ac%86%ef%bc%81%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84ignor","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186386\/","title":{"rendered":"\u6578\u64da\u5eab\u7684ignore\uff1a\u8b93\u4f60\u7684\u6578\u64da\u64cd\u4f5c\u66f4\u8f15\u9b06\uff01\uff08\u6578\u64da\u5eab\u7684ignore\uff09"},"content":{"rendered":"<h1 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id=\"ignore%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-OlABiDakns\">ignore\u7684\u61c9\u7528\u5834\u666f<\/h3>\n<ul>\n<li><strong>\u63d2\u5165\u6578\u64da\u6642\u5ffd\u7565\u91cd\u8907\u9375\uff1a<\/strong>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u5982\u679c\u9047\u5230\u91cd\u8907\u7684\u4e3b\u9375\uff0c\u4f7f\u7528\u201cINSERT IGNORE\u201d\u8a9e\u53e5\u53ef\u4ee5\u907f\u514d\u932f\u8aa4\uff0c\u4e26\u4e14\u4e0d\u6703\u4e2d\u65b7\u6574\u500b\u63d2\u5165\u904e\u7a0b\u3002<\/li>\n<li><strong>\u66f4\u65b0\u6578\u64da\u6642\u5ffd\u7565\u4e0d\u5b58\u5728\u7684\u689d\u4ef6\uff1a<\/strong>\u5728\u66f4\u65b0\u64cd\u4f5c\u4e2d\uff0c\u4f7f\u7528\u201cUPDATE IGNORE\u201d\u53ef\u4ee5\u8b93\u7cfb\u7d71\u5728\u9047\u5230\u4e0d\u5b58\u5728\u7684\u689d\u4ef6\u6642\u4e0d\u5831\u932f\uff0c\u5f9e\u800c\u7e7c\u7e8c\u57f7\u884c\u5176\u4ed6\u66f4\u65b0\u3002<\/li>\n<li><strong>\u522a\u9664\u6578\u64da\u6642\u5ffd\u7565\u4e0d\u5b58\u5728\u7684\u689d\u4ef6\uff1a<\/strong>\u4f7f\u7528\u201cDELETE IGNORE\u201d\u53ef\u4ee5\u5728\u522a\u9664\u64cd\u4f5c\u4e2d\u5ffd\u7565\u4e0d\u5b58\u5728\u7684\u689d\u4ef6\uff0c\u907f\u514d\u56e0\u70ba\u627e\u4e0d\u5230\u8981\u522a\u9664\u7684\u8a18\u9304\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8ignore%e5%8a%9f%e8%83%bd-OlABiDakns\">\u5982\u4f55\u4f7f\u7528ignore\u529f\u80fd<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528\u201cignore\u201d\u529f\u80fd\u7684\u793a\u4f8b\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\u3002<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8insert-ignore-OlABiDakns\">1. \u4f7f\u7528INSERT IGNORE<\/h3>\n<pre><code>INSERT IGNORE INTO users (id, name) VALUES (1, 'Alice');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u7528\u6236\u8868\u4e2d\u5df2\u7d93\u5b58\u5728id\u70ba1\u7684\u8a18\u9304\uff0c\u5247\u9019\u689d\u63d2\u5165\u8a9e\u53e5\u5c07\u88ab\u5ffd\u7565\uff0c\u800c\u4e0d\u6703\u5831\u932f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8update-ignore-OlABiDakns\">2. \u4f7f\u7528UPDATE IGNORE<\/h3>\n<pre><code>UPDATE IGNORE users SET name = 'Bob' WHERE id = 2;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u66f4\u65b0id\u70ba2\u7684\u7528\u6236\u540d\u7a31\u70baBob\u3002\u5982\u679cid\u70ba2\u7684\u7528\u6236\u4e0d\u5b58\u5728\uff0c\u5247\u9019\u689d\u8a9e\u53e5\u5c07\u88ab\u5ffd\u7565\uff0c\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8delete-ignore-OlABiDakns\">3. \u4f7f\u7528DELETE IGNORE<\/h3>\n<pre><code>DELETE IGNORE FROM users WHERE id = 3;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664id\u70ba3\u7684\u7528\u6236\u3002\u5982\u679c\u8a72\u7528\u6236\u4e0d\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u5831\u932f\uff0c\u64cd\u4f5c\u5c07\u7e7c\u7e8c\u9032\u884c\u3002<\/p>\n<h2 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