{"id":21422,"date":"2024-01-02T09:07:23","date_gmt":"2024-01-02T09:07:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21422\/"},"modified":"2024-11-14T10:34:42","modified_gmt":"2024-11-14T02:34:42","slug":"how-to-fix-postgresql-error-code-42p06-duplicate_schema","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21422\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema<\/h1>\n

PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u7136\u800c\uff0c\u548c\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5f71\u97ff\u5176\u6b63\u5e38\u904b\u4f5c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u542b\u7fa9\u53ca\u5982\u4f55\u4fee\u5fa9\u5b83\u3002<\/p>\n

\u7576\u60a8\u9047\u5230 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema \u6642\uff0c\u9019\u610f\u5473\u8457\u60a8\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\u7684 schema\uff08\u6a21\u5f0f\uff09\u3002schema \u662f\u4e00\u500b\u908f\u8f2f\u5bb9\u5668\uff0c\u7528\u65bc\u5b58\u653e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u4f8b\u5982\u8868\u3001\u8996\u5716\u548c\u51fd\u6578\u3002\u6bcf\u500b schema \u5728\u6578\u64da\u5eab\u4e2d\u5fc5\u9808\u6709\u4e00\u500b\u552f\u4e00\u7684\u540d\u7a31\u3002<\/p>\n

\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n

    \n
  1. \u6aa2\u67e5\u73fe\u6709\u7684 schema\uff1a<\/strong>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u60a8\u5617\u8a66\u5275\u5efa\u7684 schema \u662f\u5426\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u67e5\u8a62 `pg_namespace` \u7cfb\u7d71\u76ee\u9304\u8868\u4f86\u505a\u5230\u9019\u4e00\u9ede\u3002\u904b\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/li>\n

    “`sql
    \n SELECT nspname FROM pg_namespace WHERE nspname = ‘your_schema_name’;
    \n “`<\/p>\n

    \u5c07 `’your_schema_name’` \u66ff\u63db\u70ba\u60a8\u5617\u8a66\u5275\u5efa\u7684 schema \u540d\u7a31\u3002\u5982\u679c\u67e5\u8a62\u8fd4\u56de\u4efb\u4f55\u884c\uff0c\u5247\u8868\u793a\u8a72 schema \u5df2\u7d93\u5b58\u5728\u3002<\/p>\n

  2. \u91cd\u547d\u540d\u6216\u522a\u9664\u73fe\u6709\u7684 schema\uff1a<\/strong>\u5982\u679c schema \u5df2\u7d93\u5b58\u5728\uff0c\u4e14\u60a8\u60f3\u4ee5\u76f8\u540c\u540d\u7a31\u5275\u5efa\u65b0\u7684 schema\uff0c\u60a8\u6709\u5169\u500b\u9078\u64c7\u3002\u60a8\u53ef\u4ee5\u91cd\u547d\u540d\u73fe\u6709\u7684 schema\uff0c\u6216\u522a\u9664\u5b83\u3002<\/li>\n

    \u8981\u91cd\u547d\u540d\u73fe\u6709\u7684 schema\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `ALTER SCHEMA` \u8a9e\u53e5\u3002\u904b\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/p>\n

    “`sql
    \n ALTER SCHEMA your_schema_name RENAME TO new_schema_name;
    \n “`<\/p>\n

    \u5c07 `’your_schema_name’` \u66ff\u63db\u70ba\u73fe\u6709\u7684 schema \u540d\u7a31\uff0c\u5c07 `’new_schema_name’` \u66ff\u63db\u70ba\u60a8\u60f3\u8981\u7684\u65b0\u540d\u7a31\u3002<\/p>\n

    \u5982\u679c\u60a8\u60f3\u522a\u9664\u73fe\u6709\u7684 schema\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `DROP SCHEMA` \u8a9e\u53e5\u3002\u904b\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/p>\n

    “`sql
    \n DROP SCHEMA your_schema_name;
    \n “`<\/p>\n

    \u5c07 `’your_schema_name’` \u66ff\u63db\u70ba\u73fe\u6709\u7684 schema \u540d\u7a31\u3002\u5728\u4f7f\u7528 `DROP SCHEMA` \u8a9e\u53e5\u6642\u8981\u5c0f\u5fc3\uff0c\u56e0\u70ba\u9019\u6703\u6c38\u4e45\u522a\u9664 schema \u4e2d\u7684\u6240\u6709\u5c0d\u8c61\u3002<\/p>\n

  3. \u91cd\u8a66\u5275\u5efa schema\uff1a<\/strong>\u4e00\u65e6\u60a8\u89e3\u6c7a\u4e86\u8207\u73fe\u6709 schema \u7684\u885d\u7a81\uff0c\u60a8\u53ef\u4ee5\u91cd\u8a66\u5275\u5efa\u65b0\u7684 schema\u3002\u904b\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/li>\n

    “`sql
    \n CREATE SCHEMA your_schema_name;
    \n “`<\/p>\n

    \u5c07 `’your_schema_name’` \u66ff\u63db\u70ba\u60a8\u60f3\u8981\u7684\u65b0 schema \u540d\u7a31\u3002<\/p>\n<\/ol>\n

    \u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema\uff0c\u4e26\u6210\u529f\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u6240\u9700\u7684 schema\u3002<\/p>\n

    \u7e3d\u7d50\u4f86\u8aaa\uff0cPostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema \u662f\u7576\u60a8\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\u7684 schema \u6642\u767c\u751f\u7684\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u73fe\u6709\u7684 schema\uff0c\u5fc5\u8981\u6642\u91cd\u547d\u540d\u6216\u522a\u9664\u73fe\u6709\u7684 schema\uff0c\u7136\u5f8c\u91cd\u8a66\u5275\u5efa\u65b0 schema\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u89e3\u6c7a\u932f\u8aa4\u4e26\u7e7c\u7e8c\u4f7f\u7528 PostgreSQL\u3002<\/p>\n

    \u5982\u679c\u60a8\u9047\u5230 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P06 – duplicate_schema\uff0c\u9019\u610f\u5473\u8457\u60a8\u5617\u8a66\u5275\u5efa\u7684 schema \u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u73fe\u6709\u7684 schema\uff0c\u91cd\u547d\u540d\u6216\u522a\u9664\u73fe\u6709\u7684 schema\uff0c\u7136\u5f8c\u91cd\u8a66\u5275\u5efa\u65b0 schema\u3002\u5c0d\u65bc\u53ef\u9760\u548c\u9ad8\u54c1\u8cea\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e Server.HK<\/a>\u3002\u6211\u5011\u7684\u9999\u6e2f VPS \u8a17\u7ba1\u670d\u52d9\u70ba\u60a8\u7684 PostgreSQL \u53ca\u5176\u4ed6\u6578\u64da\u5eab\u9700\u6c42\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u66f4\u591a\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5982\u4f55\u4fee\u5fa9 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-21422","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21422","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=21422"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21422\/revisions"}],"predecessor-version":[{"id":24068,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21422\/revisions\/24068"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}