{"id":178822,"date":"2024-11-08T21:11:19","date_gmt":"2024-11-08T13:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178822\/"},"modified":"2024-11-08T21:11:20","modified_gmt":"2024-11-08T13:11:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a23p01-exclusion_violation%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178822\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a23p01-exclusion_violation-eivexegyGp\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f23P01 &#8211; exclusion_violation\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u7576\u6578\u64da\u9055\u53cd\u4e86\u6392\u9664\u7d04\u675f\uff08exclusion constraint\uff09\u6642\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=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%8e%92%e9%99%a4%e7%b4%84%e6%9d%9f%ef%bc%88exclusion-constraint%ef%bc%89%ef%bc%9f-eivexegyGp\">\u4ec0\u9ebc\u662f\u6392\u9664\u7d04\u675f\uff08Exclusion Constraint\uff09\uff1f<\/h2>\n<p>\u6392\u9664\u7d04\u675f\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u7d04\u675f\uff0c\u7528\u65bc\u78ba\u4fdd\u5728\u540c\u4e00\u8868\u4e2d\u4e0d\u6703\u6709\u5169\u884c\u6578\u64da\u5728\u67d0\u4e9b\u5217\u4e0a\u540c\u6642\u6eff\u8db3\u7279\u5b9a\u7684\u689d\u4ef6\u3002\u9019\u5728\u8655\u7406\u6642\u9593\u7bc4\u570d\u6216\u7a7a\u9593\u6578\u64da\u6642\u7279\u5225\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u4e8b\u4ef6\u8868\uff0c\u6bcf\u500b\u4e8b\u4ef6\u90fd\u6709\u958b\u59cb\u548c\u7d50\u675f\u6642\u9593\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u78ba\u4fdd\u6c92\u6709\u5169\u500b\u4e8b\u4ef6\u5728\u540c\u4e00\u6642\u9593\u7bc4\u570d\u5167\u91cd\u758a\u3002<\/p>\n<pre><code>CREATE TABLE events (\n    id SERIAL PRIMARY KEY,\n    name TEXT,\n    start_time TIMESTAMP,\n    end_time TIMESTAMP,\n    EXCLUDE USING GIST (daterange(start_time, end_time, '[]') WITH &amp;&amp;)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86GIST\u7d22\u5f15\u4f86\u5b9a\u7fa9\u6392\u9664\u7d04\u675f\uff0c\u78ba\u4fdd\u4e0d\u6703\u6709\u5169\u500b\u4e8b\u4ef6\u7684\u6642\u9593\u7bc4\u570d\u91cd\u758a\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc23p01%e7%9a%84%e5%8e%9f%e5%9b%a0-eivexegyGp\">\u932f\u8aa4\u4ee3\u78bc23P01\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u60a8\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u5982\u679c\u65b0\u6578\u64da\u8207\u73fe\u6709\u6578\u64da\u9055\u53cd\u4e86\u6392\u9664\u7d04\u675f\uff0cPostgreSQL\u5c07\u8fd4\u56de\u932f\u8aa4\u4ee3\u78bc23P01\u3002\u9019\u610f\u5473\u8457\u60a8\u5617\u8a66\u63d2\u5165\u7684\u6578\u64da\u8207\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u5728\u67d0\u4e9b\u5217\u4e0a\u767c\u751f\u4e86\u885d\u7a81\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-eivexegyGp\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u60a8\u6709\u4ee5\u4e0b\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO events (name, start_time, end_time) VALUES ('Event 1', '2023-10-01 10:00', '2023-10-01 12:00');\nINSERT INTO events (name, start_time, end_time) VALUES ('Event 2', '2023-10-01 11:00', '2023-10-01 13:00');<\/code><\/pre>\n<p>\u5728\u63d2\u5165\u7b2c\u4e8c\u500b\u4e8b\u4ef6\u6642\uff0c\u60a8\u5c07\u6703\u9047\u523023P01\u932f\u8aa4\uff0c\u56e0\u70baEvent 2\u7684\u6642\u9593\u7bc4\u570d\u8207Event 1\u91cd\u758a\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a923p01%e9%8c%af%e8%aa%a4-eivexegyGp\">\u5982\u4f55\u4fee\u5fa923P01\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9\u6b64\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a\u54ea\u4e9b\u6578\u64da\u9055\u53cd\u4e86\u6392\u9664\u7d04\u675f\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u73fe\u6709\u6578\u64da\u4f86\u6aa2\u67e5\u6642\u9593\u7bc4\u570d\u7684\u91cd\u758a\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e6%aa%a2%e6%9f%a5%e7%8f%be%e6%9c%89%e6%95%b8%e6%93%9a-eivexegyGp\">\u6b65\u9a5f1\uff1a\u6aa2\u67e5\u73fe\u6709\u6578\u64da<\/h3>\n<pre><code>SELECT * FROM events WHERE daterange(start_time, end_time, '[]') &amp;&amp; daterange('2023-10-01 11:00', '2023-10-01 13:00', '[]');<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u8207\u60a8\u5617\u8a66\u63d2\u5165\u7684\u6642\u9593\u7bc4\u570d\u91cd\u758a\u7684\u4e8b\u4ef6\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a-eivexegyGp\">\u6b65\u9a5f2\uff1a\u8abf\u6574\u6578\u64da<\/h3>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u91cd\u758a\u7684\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u89e3\u6c7a\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u4fee\u6539\u65b0\u4e8b\u4ef6\u7684\u6642\u9593\u7bc4\u570d\uff0c\u4ee5\u907f\u514d\u8207\u73fe\u6709\u4e8b\u4ef6\u91cd\u758a\u3002<\/li>\n<li>\u522a\u9664\u6216\u66f4\u65b0\u73fe\u6709\u4e8b\u4ef6\uff0c\u4ee5\u91cb\u653e\u6642\u9593\u7bc4\u570d\u3002<\/li>\n<li>\u5982\u679c\u696d\u52d9\u908f\u8f2f\u5141\u8a31\uff0c\u8003\u616e\u4f7f\u7528\u4e0d\u540c\u7684\u6392\u9664\u7d04\u675f\u689d\u4ef6\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%ad%a5%e9%a9%9f3%ef%bc%9a%e9%87%8d%e6%96%b0%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-eivexegyGp\">\u6b65\u9a5f3\uff1a\u91cd\u65b0\u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5728\u8abf\u6574\u6578\u64da\u5f8c\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u5617\u8a66\u63d2\u5165\u65b0\u4e8b\u4ef6\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u4e0d\u6703\u518d\u9047\u523023P01\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eivexegyGp\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc23P01 &#8211; exclusion_violation\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u9055\u53cd\u4e86\u6392\u9664\u7d04\u675f\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u73fe\u6709\u6578\u64da\u3001\u8abf\u6574\u65b0\u6578\u64da\u4ee5\u53ca\u91cd\u65b0\u63d2\u5165\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u4f7f\u7528\u6392\u9664\u7d04\u675f\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc23P01 &#8211; exclusion_violation\uff0c\u89e3\u6c7a\u6578\u64da\u5eab\u4e2d\u7684\u6392\u9664\u7d04\u675f\u885d\u7a81\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-178822","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178822","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=178822"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178822\/revisions"}],"predecessor-version":[{"id":178823,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178822\/revisions\/178823"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}