{"id":178982,"date":"2024-11-08T22:01:24","date_gmt":"2024-11-08T14:01:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178982\/"},"modified":"2024-11-08T22:01:25","modified_gmt":"2024-11-08T14:01:25","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a42602-invalid_name%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178982\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42602 &#8211; invalid_name\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a42602-invalid_name%ef%bc%9f-YiABdXGMsn\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42602 &#8211; invalid_name\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \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\u662f\u932f\u8aa4\u4ee3\u78bc 42602\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5b58\u5728\u7121\u6548\u7684\u540d\u7a31\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\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u6392\u9664\u6545\u969c\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-42602-%e7%9a%84%e5%90%ab%e7%be%a9-YiABdXGMsn\">\u932f\u8aa4\u4ee3\u78bc 42602 \u7684\u542b\u7fa9<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 42602 \u901a\u5e38\u8868\u793a\u5728 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u7121\u6548\u7684\u6a19\u8b58\u7b26\u540d\u7a31\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li>\u6a19\u8b58\u7b26\u540d\u7a31\u5305\u542b\u4e0d\u5141\u8a31\u7684\u5b57\u7b26\u3002<\/li>\n<li>\u6a19\u8b58\u7b26\u540d\u7a31\u904e\u9577\uff0c\u8d85\u904e PostgreSQL \u7684\u9650\u5236\u3002<\/li>\n<li>\u6a19\u8b58\u7b26\u540d\u7a31\u8207 PostgreSQL \u7684\u4fdd\u7559\u5b57\u885d\u7a81\u3002<\/li>\n<li>\u6a19\u8b58\u7b26\u540d\u7a31\u672a\u6b63\u78ba\u5f15\u7528\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u5927\u5c0f\u5beb\u5b57\u6bcd\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-YiABdXGMsn\">\u5e38\u898b\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%b8%8d%e5%85%81%e8%a8%b1%e7%9a%84%e5%ad%97%e7%ac%a6-YiABdXGMsn\">1. \u4e0d\u5141\u8a31\u7684\u5b57\u7b26<\/h3>\n<p>PostgreSQL \u7684\u6a19\u8b58\u7b26\u540d\u7a31\u53ea\u80fd\u5305\u542b\u5b57\u6bcd\u3001\u6578\u5b57\u548c\u4e0b\u5283\u7dda\uff08_\uff09\u3002\u5982\u679c\u540d\u7a31\u4e2d\u5305\u542b\u7a7a\u683c\u6216\u5176\u4ed6\u7279\u6b8a\u5b57\u7b26\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u89e3\u6c7a\u65b9\u6848\u662f\u6aa2\u67e5\u4e26\u4fee\u6539\u6a19\u8b58\u7b26\u540d\u7a31\uff0c\u78ba\u4fdd\u5b83\u5011\u7b26\u5408\u547d\u540d\u898f\u5247\u3002<\/p>\n<pre><code>-- \u932f\u8aa4\u793a\u4f8b\nSELECT * FROM my table;  -- \u7a7a\u683c\u4e0d\u88ab\u5141\u8a31\n\n-- \u6b63\u78ba\u793a\u4f8b\nSELECT * FROM my_table;  -- \u4f7f\u7528\u4e0b\u5283\u7dda\u66ff\u4ee3\u7a7a\u683c\n<\/code><\/pre>\n<h3 id=\"2-%e6%a8%99%e8%ad%98%e7%ac%a6%e5%90%8d%e7%a8%b1%e9%81%8e%e9%95%b7-YiABdXGMsn\">2. \u6a19\u8b58\u7b26\u540d\u7a31\u904e\u9577<\/h3>\n<p>PostgreSQL \u5c0d\u6a19\u8b58\u7b26\u540d\u7a31\u7684\u9577\u5ea6\u6709\u4e00\u5b9a\u9650\u5236\uff0c\u9ed8\u8a8d\u70ba 63 \u500b\u5b57\u7b26\u3002\u5982\u679c\u540d\u7a31\u8d85\u904e\u6b64\u9650\u5236\uff0c\u5247\u6703\u51fa\u73fe\u932f\u8aa4\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u958b\u767c\u8005\u61c9\u8a72\u7e2e\u77ed\u6a19\u8b58\u7b26\u540d\u7a31\u3002<\/p>\n<pre><code>-- \u932f\u8aa4\u793a\u4f8b\nCREATE TABLE very_long_table_name_that_exceeds_the_limit (id SERIAL PRIMARY KEY);\n\n-- \u6b63\u78ba\u793a\u4f8b\nCREATE TABLE short_name (id SERIAL PRIMARY KEY);\n<\/code><\/pre>\n<h3 id=\"3-%e8%88%87%e4%bf%9d%e7%95%99%e5%ad%97%e8%a1%9d%e7%aa%81-YiABdXGMsn\">3. \u8207\u4fdd\u7559\u5b57\u885d\u7a81<\/h3>\n<p>PostgreSQL \u6709\u4e00\u7cfb\u5217\u7684\u4fdd\u7559\u5b57\uff0c\u9019\u4e9b\u5b57\u5728 SQL \u8a9e\u53e5\u4e2d\u6709\u7279\u5b9a\u7684\u542b\u7fa9\u3002\u5982\u679c\u6a19\u8b58\u7b26\u540d\u7a31\u8207\u9019\u4e9b\u4fdd\u7559\u5b57\u76f8\u540c\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u96d9\u5f15\u865f\u4f86\u5f15\u7528\u6a19\u8b58\u7b26\u540d\u7a31\u3002<\/p>\n<pre><code>-- \u932f\u8aa4\u793a\u4f8b\nSELECT * FROM user;  -- user \u662f\u4fdd\u7559\u5b57\n\n-- \u6b63\u78ba\u793a\u4f8b\nSELECT * FROM \"user\";  -- \u4f7f\u7528\u96d9\u5f15\u865f\u5f15\u7528\n<\/code><\/pre>\n<h3 id=\"4-%e5%a4%a7%e5%b0%8f%e5%af%ab%e5%95%8f%e9%a1%8c-YiABdXGMsn\">4. \u5927\u5c0f\u5beb\u554f\u984c<\/h3>\n<p>PostgreSQL \u5c0d\u6a19\u8b58\u7b26\u7684\u5927\u5c0f\u5beb\u654f\u611f\u3002\u5982\u679c\u5728\u5275\u5efa\u8868\u6216\u5217\u6642\u4f7f\u7528\u4e86\u5927\u5beb\u5b57\u6bcd\uff0c\u5247\u5728\u67e5\u8a62\u6642\u5fc5\u9808\u4f7f\u7528\u96d9\u5f15\u865f\u4f86\u5f15\u7528\u5b83\u5011\u3002\u5426\u5247\uff0cPostgreSQL \u6703\u5c07\u5176\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u5c0e\u81f4\u7121\u6cd5\u627e\u5230\u8a72\u6a19\u8b58\u7b26\u3002<\/p>\n<pre><code>-- \u932f\u8aa4\u793a\u4f8b\nCREATE TABLE MyTable (Id SERIAL PRIMARY KEY);\nSELECT * FROM MyTable;  -- \u9019\u5c07\u5c0e\u81f4\u932f\u8aa4\n\n-- \u6b63\u78ba\u793a\u4f8b\nSELECT * FROM \"MyTable\";  -- \u4f7f\u7528\u96d9\u5f15\u865f\u5f15\u7528\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YiABdXGMsn\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 42602 &#8211; invalid_name \u901a\u5e38\u662f\u7531\u65bc\u6a19\u8b58\u7b26\u540d\u7a31\u4e0d\u7b26\u5408\u898f\u7bc4\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6a19\u8b58\u7b26\u7684\u5b57\u7b26\u3001\u9577\u5ea6\u3001\u4fdd\u7559\u5b57\u885d\u7a81\u53ca\u5927\u5c0f\u5beb\u554f\u984c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u932f\u8aa4\u3002\u4e86\u89e3\u9019\u4e9b\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u958b\u767c\u6548\u7387\uff0c\u6e1b\u5c11\u932f\u8aa4\u767c\u751f\u7684\u983b\u7387\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\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\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\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 42602 &#8211; invalid_name\uff0c\u89e3\u6c7a\u547d\u540d\u554f\u984c\uff0c\u78ba\u4fdd\u67e5\u8a62\u548c\u6578\u64da\u5eab\u64cd\u4f5c\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-178982","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178982","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=178982"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178982\/revisions"}],"predecessor-version":[{"id":178983,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178982\/revisions\/178983"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}