{"id":21404,"date":"2024-01-02T08:49:23","date_gmt":"2024-01-02T08:49:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21404\/"},"modified":"2024-11-14T10:35:04","modified_gmt":"2024-11-14T02:35:04","slug":"how-to-fix-postgresql-error-code-42622-name_too_long","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21404\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42622 – name_too_long"},"content":{"rendered":"

\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42622 – name_too_long<\/h1>\n

PostgreSQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5168\u7403\u7684\u958b\u767c\u4eba\u54e1\u548c\u4f01\u696d\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u8207\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u5728\u904b\u884c\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u5f71\u97ff\u529f\u80fd\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u7a2e\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42622 – name_too_long\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u542b\u7fa9\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u4ee5\u4fee\u5fa9\u5b83\u3002<\/p>\n

\u7406\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42622 – name_too_long<\/h2>\n

\u5728\u4f7f\u7528 PostgreSQL \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc 42622\uff0c\u8a72\u4ee3\u78bc\u8868\u793a\u8cc7\u6599\u5eab\u7269\u4ef6\u7684\u540d\u7a31\uff08\u4f8b\u5982\u8868\u3001\u5217\u6216\u7d22\u5f15\uff09\u8d85\u51fa\u4e86 PostgreSQL \u6240\u5141\u8a31\u7684\u6700\u5927\u9577\u5ea6\u3002\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0cPostgreSQL \u5c0d\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u9650\u5236\u70ba 63 \u500b\u5b57\u7b26\u3002\u5982\u679c\u60a8\u5617\u8a66\u5275\u5efa\u6216\u5f15\u7528\u540d\u7a31\u8d85\u904e\u6b64\u9650\u5236\u7684\u7269\u4ef6\uff0c\u5c07\u6703\u9047\u5230 name_too_long \u932f\u8aa4\u3002<\/p>\n

\u7576\u60a8\u5275\u5efa\u65b0\u8868\u3001\u4fee\u6539\u73fe\u6709\u8868\u6216\u57f7\u884c\u5f15\u7528\u9577\u540d\u7a31\u7269\u4ef6\u7684\u67e5\u8a62\u6642\uff0c\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u6703\u767c\u751f\u3002\u91cd\u8981\u7684\u662f\u8981\u6ce8\u610f\uff0c\u932f\u8aa4\u6d88\u606f\u6703\u63d0\u4f9b\u5c0e\u81f4\u554f\u984c\u7684\u5177\u9ad4\u7269\u4ef6\u540d\u7a31\u3002<\/p>\n

\u4fee\u5fa9 name_too_long \u932f\u8aa4<\/h2>\n

\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u4fee\u5fa9 PostgreSQL \u7684 name_too_long \u932f\u8aa4\uff1a<\/p>\n

1. \u7e2e\u77ed\u7269\u4ef6\u540d\u7a31<\/h3>\n

\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u7e2e\u77ed\u5c0e\u81f4\u932f\u8aa4\u7684\u7269\u4ef6\u540d\u7a31\u3002\u6aa2\u67e5\u932f\u8aa4\u6d88\u606f\u4e2d\u63d0\u5230\u7684\u7269\u4ef6\u540d\u7a31\uff0c\u4e26\u8003\u616e\u7e2e\u5beb\u6216\u4f7f\u7528\u66f4\u77ed\u3001\u66f4\u7c21\u6f54\u7684\u540d\u7a31\u3002\u8acb\u78ba\u4fdd\u9078\u64c7\u7684\u540d\u7a31\u4ecd\u80fd\u6e96\u78ba\u8868\u9054\u7269\u4ef6\u7684\u7528\u9014\u3002<\/p>\n

2. \u4f7f\u7528\u5e95\u7dda\u4ee3\u66ff\u7a7a\u683c<\/h3>\n

\u5982\u679c\u7269\u4ef6\u540d\u7a31\u4e2d\u5305\u542b\u7a7a\u683c\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u5176\u66ff\u63db\u70ba\u5e95\u7dda\u3002PostgreSQL \u5141\u8a31\u5728\u7269\u4ef6\u540d\u7a31\u4e2d\u4f7f\u7528\u5e95\u7dda\uff0c\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u540d\u7a31\u7684\u7e3d\u9577\u5ea6\u3002\u4f8b\u5982\uff0c\u82e5\u60a8\u6709\u4e00\u500b\u540d\u70ba “customer orders” \u7684\u8868\uff0c\u53ef\u4ee5\u5c07\u5176\u91cd\u547d\u540d\u70ba “customer_orders”\u3002<\/p>\n

3. \u5229\u7528\u6a21\u5f0f\u540d\u7a31<\/h3>\n

PostgreSQL \u652f\u6301\u4f7f\u7528\u6a21\u5f0f\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u7d44\u7e54\u8cc7\u6599\u5eab\u7269\u4ef6\u4e26\u9632\u6b62\u547d\u540d\u885d\u7a81\u3002\u5c07\u9577\u540d\u7a31\u7684\u7269\u4ef6\u653e\u5728\u4e0d\u540c\u7684\u6a21\u5f0f\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5b8c\u5168\u9650\u5b9a\u7269\u4ef6\u540d\u7a31\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c07\u8868\u5f15\u7528\u70ba “public.customers”\uff0c\u800c\u5275\u5efa\u4e00\u500b\u540d\u70ba “cust” \u7684\u6a21\u5f0f\uff0c\u4e26\u5c07\u8868\u5f15\u7528\u70ba “cust.customers”\u3002<\/p>\n

4. \u4fee\u6539 PostgreSQL \u914d\u7f6e<\/h3>\n

\u5982\u679c\u60a8\u7d93\u5e38\u9047\u5230 name_too_long \u932f\u8aa4\uff0c\u4e14\u4fee\u6539\u7269\u4ef6\u540d\u7a31\u4e0d\u53ef\u884c\uff0c\u60a8\u53ef\u4ee5\u5728 PostgreSQL \u914d\u7f6e\u4e2d\u589e\u52a0\u6700\u5927\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u3002\u627e\u51fa “postgresql.conf” \u6587\u4ef6\uff0c\u4e26\u5c07 “NAMEDATALEN” \u53c3\u6578\u4fee\u6539\u70ba\u66f4\u9ad8\u7684\u503c\u3002\u8acb\u6ce8\u610f\uff0c\u4fee\u6539\u6b64\u53c3\u6578\u9700\u8981\u91cd\u65b0\u555f\u52d5 PostgreSQL \u670d\u52d9\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u7e3d\u4e4b\uff0cPostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42622 – name_too_long \u51fa\u73fe\u5728\u8cc7\u6599\u5eab\u7269\u4ef6\u7684\u540d\u7a31\u8d85\u904e PostgreSQL \u6240\u5141\u8a31\u7684\u6700\u5927\u9577\u5ea6\u6642\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u7e2e\u77ed\u7269\u4ef6\u540d\u7a31\u3001\u4f7f\u7528\u5e95\u7dda\u4ee3\u66ff\u7a7a\u683c\u3001\u5229\u7528\u6a21\u5f0f\u540d\u7a31\uff0c\u6216\u4fee\u6539 PostgreSQL \u914d\u7f6e\u3002\u901a\u904e\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd PostgreSQL \u8cc7\u6599\u5eab\u7684\u9806\u5229\u904b\u884c\u3002<\/p>\n

\u82e5\u60f3\u4e86\u89e3\u66f4\u591a\u6709\u95dc VPS \u670d\u52d9\u548c\u5176\u5c0d\u60a8\u696d\u52d9\u7684\u597d\u8655\uff0c\u8acb\u8003\u616e\u63a2\u7d22 Server.HK<\/a>\u3002\u6191\u85c9\u5176\u4e00\u6d41\u7684 VPS \u89e3\u6c7a\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u5728 PostgreSQL \u8cc7\u6599\u5eab\u4e0a\u9ad4\u9a57\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684\u8a17\u7ba1\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5982\u4f55\u89e3\u6c7a PostgreSQL ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21404","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21404","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=21404"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21404\/revisions"}],"predecessor-version":[{"id":24089,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21404\/revisions\/24089"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}