{"id":247317,"date":"2024-01-02T20:19:24","date_gmt":"2024-01-02T12:19:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/247317\/"},"modified":"2024-01-02T20:19:24","modified_gmt":"2024-01-02T12:19:24","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ap0001-raise_exception%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247317\/","title":{"rendered":"\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aP0001 &#8211; raise_exception\uff1f"},"content":{"rendered":"<p><title id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ap0001-raise_exception%ef%bc%9f-TPRUVFUOvh\">\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aP0001 - raise_exception\uff1f<\/title><\/p>\n<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ap0001-raise_exception%ef%bc%9f-TPRUVFUOvh\">\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aP0001 - raise_exception\uff1f<\/h1>\n<p>PostgreSQL\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u89c4\u6a21\u7684\u4f01\u4e1a\u548c\u9879\u76ee\u4e2d\u3002\u7136\u800c\uff0c\u5c31\u50cf\u5176\u4ed6\u8f6f\u4ef6\u4e00\u6837\uff0cPostgreSQL\u4e5f\u53ef\u80fd\u4f1a\u51fa\u73b0\u9519\u8bef\u3002\u672c\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecd\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801P0001 - raise_exception\u3002<\/p>\n<h2 id=\"%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ap0001-raise_exception-TPRUVFUOvh\">\u9519\u8bef\u4ee3\u7801\uff1aP0001 - raise_exception<\/h2>\n<p>\u5f53\u5728PostgreSQL\u4e2d\u6267\u884cSQL\u8bed\u53e5\u65f6\uff0c\u5982\u679c\u9047\u5230\u9519\u8bef\uff0c\u7cfb\u7edf\u4f1a\u8fd4\u56de\u76f8\u5e94\u7684\u9519\u8bef\u4ee3\u7801\u3002\u9519\u8bef\u4ee3\u7801P0001\u8868\u793a\u5728\u6267\u884cSQL\u8bed\u53e5\u65f6\u53d1\u751f\u4e86\u5f02\u5e38\u3002\u901a\u5e38\uff0c\u8fd9\u79cd\u5f02\u5e38\u662f\u7531\u4e8e\u8bed\u6cd5\u9519\u8bef\u3001\u6570\u636e\u7c7b\u578b\u4e0d\u5339\u914d\u6216\u5176\u4ed6\u64cd\u4f5c\u9519\u8bef\u5f15\u8d77\u7684\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%a4%8d%e6%96%b9%e6%b3%95-TPRUVFUOvh\">\u4fee\u590d\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801P0001 - raise_exception\uff0c\u60a8\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<h3 id=\"1-%e6%a3%80%e6%9f%a5sql%e8%af%ad%e5%8f%a5-TPRUVFUOvh\">1. \u68c0\u67e5SQL\u8bed\u53e5<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u5e94\u8be5\u4ed4\u7ec6\u68c0\u67e5\u60a8\u7684SQL\u8bed\u53e5\uff0c\u786e\u4fdd\u8bed\u6cd5\u6b63\u786e\u3002\u5e38\u89c1\u7684\u8bed\u6cd5\u9519\u8bef\u5305\u62ec\u62fc\u5199\u9519\u8bef\u3001\u7f3a\u5c11\u5173\u952e\u5b57\u6216\u4f7f\u7528\u4e86\u9519\u8bef\u7684\u64cd\u4f5c\u7b26\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528PostgreSQL\u63d0\u4f9b\u7684\u9519\u8bef\u4fe1\u606f\u6765\u5b9a\u4f4d\u9519\u8bef\u6240\u5728\u7684\u4f4d\u7f6e\u3002<\/p>\n<h3 id=\"2-%e6%a3%80%e6%9f%a5%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b-TPRUVFUOvh\">2. \u68c0\u67e5\u6570\u636e\u7c7b\u578b<\/h3>\n<p>\u5982\u679c\u60a8\u7684SQL\u8bed\u53e5\u6d89\u53ca\u5230\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u6216\u6bd4\u8f83\u64cd\u4f5c\uff0c\u90a3\u4e48\u60a8\u5e94\u8be5\u68c0\u67e5\u6570\u636e\u7c7b\u578b\u662f\u5426\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5c1d\u8bd5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u503c\u63d2\u5165\u5230\u4e00\u4e2a\u6574\u6570\u5217\u4e2d\uff0c\u5c31\u4f1a\u51fa\u73b0\u6570\u636e\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002\u786e\u4fdd\u60a8\u7684\u64cd\u4f5c\u7b26\u548c\u51fd\u6570\u9002\u7528\u4e8e\u6240\u6d89\u53ca\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<h3 id=\"3-%e6%a3%80%e6%9f%a5%e7%ba%a6%e6%9d%9f%e5%92%8c%e8%a7%a6%e5%8f%91%e5%99%a8-TPRUVFUOvh\">3. \u68c0\u67e5\u7ea6\u675f\u548c\u89e6\u53d1\u5668<\/h3>\n<p>PostgreSQL\u4e2d\u7684\u7ea6\u675f\u548c\u89e6\u53d1\u5668\u53ef\u4ee5\u5e2e\u52a9\u60a8\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u5982\u679c\u60a8\u7684SQL\u8bed\u53e5\u8fdd\u53cd\u4e86\u4efb\u4f55\u7ea6\u675f\u6216\u89e6\u53d1\u5668\u7684\u89c4\u5b9a\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f02\u5e38\u3002\u56e0\u6b64\uff0c\u60a8\u5e94\u8be5\u68c0\u67e5\u60a8\u7684\u8868\u7ed3\u6784\u548c\u76f8\u5173\u7ea6\u675f\u548c\u89e6\u53d1\u5668\uff0c\u786e\u4fdd\u5b83\u4eec\u4e0e\u60a8\u7684SQL\u8bed\u53e5\u517c\u5bb9\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e7%9c%8b%e6%97%a5%e5%bf%97%e6%96%87%e4%bb%b6-TPRUVFUOvh\">4. \u67e5\u770b\u65e5\u5fd7\u6587\u4ef6<\/h3>\n<p>PostgreSQL\u4f1a\u8bb0\u5f55\u6240\u6709\u7684\u9519\u8bef\u548c\u8b66\u544a\u4fe1\u606f\u5230\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002\u60a8\u53ef\u4ee5\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\uff0c\u4ee5\u83b7\u53d6\u66f4\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\u548c\u4e0a\u4e0b\u6587\u3002\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u9519\u8bef\u7684\u539f\u56e0\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-TPRUVFUOvh\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801P0001 - raise_exception\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age = 'twenty';\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c1d\u8bd5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u503c\uff08'twenty'\uff09\u4e0e\u4e00\u4e2a\u6574\u6570\u5217\uff08age\uff09\u8fdb\u884c\u6bd4\u8f83\u3002\u8fd9\u5c06\u5bfc\u81f4\u6570\u636e\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002\u8981\u4fee\u590d\u8fd9\u4e2a\u9519\u8bef\uff0c\u6211\u4eec\u5e94\u8be5\u5c06\u5b57\u7b26\u4e32\u503c\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u6216\u8005\u5c06\u6bd4\u8f83\u64cd\u4f5c\u7b26\u66f4\u6539\u4e3a\u9002\u7528\u4e8e\u5b57\u7b26\u4e32\u7684\u64cd\u4f5c\u7b26\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-TPRUVFUOvh\">\u603b\u7ed3<\/h2>\n<p>\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801P0001 - raise_exception\u53ef\u80fd\u9700\u8981\u60a8\u4ed4\u7ec6\u68c0\u67e5SQL\u8bed\u53e5\u3001\u6570\u636e\u7c7b\u578b\u3001\u7ea6\u675f\u548c\u89e6\u53d1\u5668\uff0c\u5e76\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u4ee5\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\u3002\u901a\u8fc7\u9075\u5faa\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u89e3\u51b3\u8fd9\u4e2a\u9519\u8bef\u5e76\u4f7f\u60a8\u7684PostgreSQL\u6570\u636e\u5e93\u6062\u590d\u6b63\u5e38\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u540e\u6d6a\u4e91\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aP0001 - raise_exception\uff1f \u5982\u4f55\u4fee\u590dPostgre [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247317","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247317"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247317\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}