{"id":207238,"date":"2025-07-08T10:36:07","date_gmt":"2025-07-08T02:36:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207238\/"},"modified":"2025-07-08T10:36:07","modified_gmt":"2025-07-08T02:36:07","slug":"mysql%e4%b8%ad%e5%9f%ba%e4%ba%8e%e7%94%a8%e6%88%b7%e6%9d%83%e9%99%90%e7%9a%84%e8%a1%8c%e8%bf%87%e6%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207238\/","title":{"rendered":"mysql\u4e2d\u57fa\u4e8e\u7528\u6237\u6743\u9650\u7684\u884c\u8fc7\u6ee4"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>mysql\u4e2d\u57fa\u4e8e\u7528\u6237\u6743\u9650\u7684\u884c\u8fc7\u6ee4<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-20 23:45:38<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300amysql\u4e2d\u57fa\u4e8e\u7528\u6237\u6743\u9650\u7684\u884c\u8fc7\u6ee4\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u76ee\u524d\u6b63\u5728\u8bbe\u8ba1\u4e00\u4e2a\u8d37\u6b3e\u7ba1\u7406\u7cfb\u7edf\uff0c\u8be5\u7cfb\u7edf\u5c06\u5728\u4e00\u5bb6\u62e5\u6709\u72ec\u7acb\u5206\u652f\u673a\u6784\u548c\u603b\u90e8\u7684\u5168\u5c9b\u516c\u53f8\u4e2d\u5b9e\u65bd\u3002\u8be5\u7cfb\u7edf\u7684\u4e3b\u8981\u7528\u6237\u662f\u6062\u590d\u4eba\u5458\u3001\u5206\u884c\u7ecf\u7406\u3001\u533a\u57df\u7ecf\u7406\u548c\u603b\u90e8\u5de5\u4f5c\u4eba\u5458\u3002\u6211\u9700\u8981\u4e00\u79cd\u65b9\u6cd5\uff0c\u5f53\u6bcf\u4e2a\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u65f6\uff0c\u4ed6\u4eec\u53ea\u80fd\u770b\u5230\u4e0e\u4ed6\u4eec\u76f8\u5173\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u8ffd\u6536\u4eba\u5458\u53ea\u80fd\u8bbf\u95ee\u4e0e\u4ed6\u4eec\u76f8\u5173\u7684\u8d37\u6b3e\uff0c\u5206\u884c\u7ecf\u7406\u53ea\u80fd\u770b\u5230\u4ed6\u4eec\u7684\u5206\u884c\u8d37\u6b3e\uff0c\u603b\u884c\u4eba\u5458\u53ef\u4ee5\u770b\u5230\u6240\u6709\u8d37\u6b3e\u7b49\u3002\u6700\u521d\u6211\u63d0\u51fa\u4e86\u4ee5\u4e0b\u8bbe\u8ba1\u3002<\/p>\n<pre>loan\n-------------------\nid pk\ncapital\ninterest\n......\nrecovery_officer_id fk\nbranch_id fk\nregion_id fk<\/pre>\n<p>\u7531\u4e8e\u6bcf\u7b14\u8d37\u6b3e\u90fd\u6709\u76f8\u5173\u7684 <strong>recovery_officer_id<\/strong>\u3001<strong>branch_id<\/strong>\u3001<strong>region_id<\/strong> \u5217\u6765\u8fc7\u6ee4\u6570\u636e\u3002\u6211\u51b3\u5b9a\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u8fc7\u6ee4\u5668\u7684\u8868<\/p>\n<pre>filter\n-----------\nuser_id FK\ncolumn_name\nvalue<\/pre>\n<p>\u56e0\u6b64\uff0c\u5728\u4ee3\u7801\u4e2d\uff0c\u6211\u53ef\u4ee5\u5c06\u76f8\u5173\u5217\u540d\u79f0\u503c\u9644\u52a0\u5230 <strong>where<\/strong> \u5b50\u53e5\u4e2d\u4ee5\u8fc7\u6ee4\u7ed3\u679c\u3002\u5bf9\u4e8e\u603b\u90e8\u7528\u6237\uff0c\u7531\u4e8e\u6ca1\u6709\u8fc7\u6ee4\u5668\uff0c\u6211\u53ef\u4ee5\u5ffd\u7565\u6dfb\u52a0 <strong>where<\/strong> \u5b50\u53e5\u3002<\/p>\n<p>\u4f46\u6211\u89c9\u5f97\u6bcf\u6b21\u90fd\u9644\u52a0\u4e00\u4e2a\u53ef\u53d8\u957f\u5ea6\u7684 <strong>where<\/strong> \u5b50\u53e5\u5c06\u662f\u4e00\u9879\u4e4f\u5473\u7684\u4efb\u52a1\u3002\u6b64\u5916\uff0c\u5982\u679c\u67e5\u8be2\u5f53\u524d\u6709\u4e00\u4e2a where \u5b50\u53e5\uff0c\u6211\u5e94\u8be5\u7f16\u5199\u4e00\u4e2a\u901a\u7528\u4ee3\u7801\uff0c\u5c06\u8fc7\u6ee4\u5668\u5b50\u53e5\u9644\u52a0\u5230\u5b83\u4e0a\u9762\u3002\u56e0\u6b64\u5fc5\u987b\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u6211\u4f7f\u7528 mysql \u4f5c\u4e3a\u6211\u7684\u6570\u636e\u5e93\uff0c\u5e76\u4f7f\u7528 go \u4f5c\u4e3a\u6211\u7684\u670d\u52a1\u5668\u7aef\u8bed\u8a00\u3002\u4efb\u4f55\u8bbe\u8ba1\u7406\u5ff5\u90fd\u53d7\u5230\u9ad8\u5ea6\u8d5e\u8d4f\u3002 <\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>a \u8ba1\u5212\uff08\u9996\u9009\uff09\uff1a\u5c06\u68c0\u67e5\u6784\u5efa\u5230\u8fde\u63a5\u7528\u6237\u548c\u6570\u636e\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u4e2d\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u6ca1\u6709\u4eba\u76f4\u63a5\u767b\u5f55\u6570\u636e\u5e93\u3002<\/p>\n<p>\u6211\u66f4\u559c\u6b22\u4ece\u5934\u5f00\u59cb\u6784\u5efa where \u5b50\u53e5\u3002\u7f16\u8f91\u73b0\u6709\u7684 where \u4f1a\u53d8\u5f97\u5f88\u68d8\u624b\u3002\u60f3\u8c61\u4e00\u4e0b\u4ee5 or \u5b50\u53e5\u7ed3\u5c3e\uff0c\u7136\u540e\u52a0\u4e0a and \u5b50\u53e5\u7684\u6df7\u4e71\u60c5\u51b5\u3002\u7cbe\u660e\u7684\u7528\u6237\u53ef\u80fd\u4f1a\u8bf4<\/p>\n<pre>select ... from ... where 1 or 2;<\/pre>\n<p>\u7136\u540e\u4f60\u6dfb\u52a0\u8fd9\u6837\u7684\u4e1c\u897f\uff1a<\/p>\n<pre>SELECT ... FROM ... WHERE 1 OR 2 AND role = 'clerk';<\/pre>\n<p>\u4f60\u731c\u600e\u4e48\u7740\u2014\u2014\u5e97\u5458\u53ef\u4ee5\u770b\u5230\u4e00\u5207\u3002<\/p>\n<p>b \u8ba1\u5212\uff1a\u5927\u91cf\u89c6\u56fe\u548c\u5217\u7ea7\u6743\u9650\uff0c\u4ee5\u9632\u6b62\u4e2a\u4eba\u770b\u5230\u4e0d\u5e94\u8be5\u770b\u5230\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300amysql\u4e2d\u57fa\u4e8e\u7528\u6237\u6743\u9650\u7684\u884c\u8fc7\u6ee4\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207238","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207238","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207238"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207238\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}