{"id":21301,"date":"2024-01-02T07:06:24","date_gmt":"2024-01-02T07:06:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21301\/"},"modified":"2024-11-14T10:37:14","modified_gmt":"2024-11-14T02:37:14","slug":"how-to-fix-postgresql-error-code-2202g-invalid_tablesample_repeat","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21301\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat<\/h1>\n

PostgreSQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u3002\u7136\u800c\uff0c\u8207\u4efb\u4f55\u8edf\u9ad4\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u9019\u4e9b\u932f\u8aa4\u53ef\u80fd\u6703\u5e72\u64fe\u5176\u6b63\u5e38\u904b\u4f5c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\uff0c\u4e26\u63d0\u4f9b\u9010\u6b65\u7684\u4fee\u5fa9\u6307\u5c0e\u3002<\/p>\n

\u4e86\u89e3\u932f\u8aa4<\/h2>\n

PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat \u767c\u751f\u5728\u60a8\u5617\u8a66\u5728 SELECT \u8a9e\u53e5\u4e2d\u4f7f\u7528 TABLESAMPLE \u5b50\u53e5\u6642\uff0c\u800c\u8a72\u64cd\u4f5c\u4f7f\u7528\u4e86\u53ef\u91cd\u8907\u53d6\u6a23\u65b9\u6cd5\u3002\u7576\u6307\u5b9a\u7684\u53ef\u91cd\u8907\u503c\u8d85\u51fa\u4e86\u6709\u6548\u7bc4\u570d\uff08-1.0 \u5230 1.0\uff09\u6642\uff0c\u5c07\u89f8\u767c\u8a72\u932f\u8aa4\u3002<\/p>\n

\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n

SELECT * FROM table TABLESAMPLE SYSTEM (0.5 REPEATABLE 2);\r\n<\/code><\/pre>\n
\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u53ef\u91cd\u8907\u503c\u88ab\u8a2d\u7f6e\u70ba 2\uff0c\u9019\u8d85\u51fa\u4e86\u6709\u6548\u7bc4\u570d\u3002\u56e0\u6b64\uff0cPostgreSQL \u62cb\u51fa\u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat\u3002<\/p>\n
\u4fee\u5fa9\u932f\u8aa4<\/h2>\n
\u8981\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u53ef\u91cd\u8907\u503c\u5728\u6709\u6548\u7bc4\u570d\u5167\uff08-1.0 \u5230 1.0\uff09\u3002\u4ee5\u4e0b\u662f\u9700\u8981\u9075\u5faa\u7684\u6b65\u9a5f\uff1a<\/p>\n
\u6b65\u9a5f 1\uff1a\u8b58\u5225\u5f15\u8d77\u932f\u8aa4\u7684\u67e5\u8a62<\/h3>\n
\u8b58\u5225\u9020\u6210\u932f\u8aa4\u7684\u67e5\u8a62\u3002\u6aa2\u67e5\u60a8\u7684\u4ee3\u78bc\uff0c\u627e\u5230\u5305\u542b\u4e0d\u6b63\u78ba\u53ef\u91cd\u8907\u503c\u7684 TABLESAMPLE \u5b50\u53e5\u7684 SELECT \u8a9e\u53e5\u3002<\/p>\n
\u6b65\u9a5f 2\uff1a\u4fee\u6539\u53ef\u91cd\u8907\u503c<\/h3>\n
\u5c07\u53ef\u91cd\u8907\u503c\u4fee\u6539\u70ba\u5728\u6709\u6548\u7bc4\u570d\u5167\uff08-1.0 \u5230 1.0\uff09\u3002\u9078\u64c7\u5408\u9069\u7684\u503c\uff0c\u4e26\u78ba\u4fdd\u8a72\u503c\u5728\u6307\u5b9a\u7bc4\u570d\u5167\u3002<\/p>\n
\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c07\u4e4b\u524d\u7684\u67e5\u8a62\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n
SELECT * FROM table TABLESAMPLE SYSTEM (0.5 REPEATABLE 0.8);\r\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4fee\u6539\u904e\u7684\u67e5\u8a62\u4e2d\uff0c\u53ef\u91cd\u8907\u503c\u88ab\u8a2d\u7f6e\u70ba 0.8\uff0c\u9019\u5728\u6709\u6548\u7bc4\u570d\u5167\u3002<\/p>\n
\u6b65\u9a5f 3\uff1a\u57f7\u884c\u67e5\u8a62<\/h3>\n
\u57f7\u884c\u4fee\u6539\u904e\u7684\u67e5\u8a62\uff0c\u4ee5\u9a57\u8b49 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat \u662f\u5426\u4e0d\u518d\u51fa\u73fe\u3002\u5982\u679c\u67e5\u8a62\u6210\u529f\u904b\u884c\u4e14\u6c92\u6709\u4efb\u4f55\u932f\u8aa4\uff0c\u5247\u8868\u660e\u60a8\u5df2\u7d93\u4fee\u5fa9\u4e86\u8a72\u554f\u984c\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2202G – invalid_tablesample_repeat \u53ef\u4ee5\u901a\u904e\u78ba\u4fdd\u53ef\u91cd\u8907\u503c\u5728\u6709\u6548\u7bc4\u570d\u5167\uff08-1.0 \u5230 1.0\uff09\u4f86\u89e3\u6c7a\u3002\u9075\u5faa\u672c\u6587\u6240\u8ff0\u7684\u6b65\u9a5f\uff0c\u60a8\u4fbf\u80fd\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u7e7c\u7e8c\u4f7f\u7528 PostgreSQL \u800c\u4e0d\u6703\u53d7\u5230\u5e72\u64fe\u3002<\/p>\n
\u6b32\u4e86\u89e3\u66f4\u591a\u6709\u95dc VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u8cc7\u8a0a\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-21301","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21301","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=21301"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21301\/revisions"}],"predecessor-version":[{"id":24216,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21301\/revisions\/24216"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}