\u5728\u4f7f\u7528 MySQL \u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u7d93\u5e38\u9700\u8981\u7372\u53d6\u67e5\u8a62\u7d50\u679c\u96c6\u4e2d\u7684\u884c\u865f\u3002\u884c\u865f\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u7d50\u69cb\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728 MySQL \u4e2d\u7372\u53d6\u884c\u865f\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n
MySQL \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u7372\u53d6\u67e5\u8a62\u7d50\u679c\u96c6\u4e2d\u7684\u884c\u865f\uff0c\u901a\u904e\u4f7f\u7528\u7528\u6236\u5b9a\u7fa9\u7684\u8b8a\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
SELECT @rownum := @rownum + 1 AS \u884c\u865f, t.*\nFROM (SELECT @rownum := 0) r, your_table t;<\/code><\/pre>\n\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u9996\u5148\u521d\u59cb\u5316\u4e00\u500b\u8b8a\u91cf @rownum\uff0c\u7136\u5f8c\u5728\u9078\u64c7\u67e5\u8a62\u4e2d\u5c0d\u5176\u9032\u884c\u905e\u589e\u3002\u9019\u6a23\uff0c\u6bcf\u4e00\u884c\u7684\u884c\u865f\u5c31\u6703\u88ab\u8a08\u7b97\u51fa\u4f86\u4e26\u986f\u793a\u5728\u7d50\u679c\u96c6\u4e2d\u3002<\/p>\n
\u4f7f\u7528 ROW_NUMBER() \u51fd\u6578<\/h2>\n
\u5f9e MySQL 8.0 \u7248\u672c\u958b\u59cb\uff0cMySQL \u5f15\u5165\u4e86\u7a97\u53e3\u51fd\u6578\uff0c\u9019\u4f7f\u5f97\u7372\u53d6\u884c\u865f\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u53ef\u4ee5\u4f7f\u7528 ROW_NUMBER()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u884c\u865f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 ROW_NUMBER()<\/code> \u7684\u793a\u4f8b\uff1a<\/p>\nSELECT ROW_NUMBER() OVER (ORDER BY your_column) AS \u884c\u865f, *\nFROM your_table;<\/code><\/pre>\n\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0cROW_NUMBER() OVER (ORDER BY your_column)<\/code> \u5c07\u6839\u64da\u6307\u5b9a\u7684\u5217\u9032\u884c\u6392\u5e8f\u4e26\u751f\u6210\u884c\u865f\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u6392\u5e8f\u689d\u4ef6\u751f\u6210\u884c\u865f\u3002<\/p>\n\u4f7f\u7528 LIMIT \u548c OFFSET \u7372\u53d6\u7279\u5b9a\u884c\u865f<\/h2>\n
\u5982\u679c\u53ea\u9700\u8981\u7372\u53d6\u7279\u5b9a\u7bc4\u570d\u7684\u884c\u865f\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT<\/code> \u548c OFFSET<\/code> \u5b50\u53e5\u3002\u9019\u5728\u8655\u7406\u5206\u9801\u67e5\u8a62\u6642\u7279\u5225\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\nSELECT @rownum := @rownum + 1 AS \u884c\u865f, t.*\nFROM (SELECT @rownum := 0) r, your_table t\nLIMIT 10 OFFSET 20;<\/code><\/pre>\n\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u5f9e\u7b2c 21 \u884c\u958b\u59cb\u7684 10 \u884c\u6578\u64da\uff0c\u4e26\u70ba\u9019\u4e9b\u884c\u751f\u6210\u884c\u865f\u3002<\/p>\n
\u7d50\u5408\u5176\u4ed6\u67e5\u8a62\u689d\u4ef6<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u884c\u865f\u7684\u7372\u53d6\u5f80\u5f80\u9700\u8981\u7d50\u5408\u5176\u4ed6\u67e5\u8a62\u689d\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7d50\u5408 WHERE<\/code> \u5b50\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\nSELECT @rownum := @rownum + 1 AS \u884c\u865f, t.*\nFROM (SELECT @rownum := 0) r, your_table t\nWHERE t.some_column = 'some_value';<\/code><\/pre>\n\u9019\u6a23\u53ef\u4ee5\u5728\u6eff\u8db3\u7279\u5b9a\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\u7372\u53d6\u884c\u865f\uff0c\u5f9e\u800c\u66f4\u7cbe\u78ba\u5730\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 MySQL \u4e2d\u7372\u53d6\u67e5\u8a62\u7d50\u679c\u96c6\u4e2d\u7684\u884c\u865f\u6709\u591a\u7a2e\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u7528\u6236\u5b9a\u7fa9\u7684\u8b8a\u91cf\u3001ROW_NUMBER()<\/code> \u51fd\u6578\u4ee5\u53ca\u7d50\u5408 LIMIT<\/code> \u548c OFFSET<\/code> \u7684\u67e5\u8a62\u3002\u9019\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9748\u6d3b\u904b\u7528\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002<\/p>\n\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u5728 MySQL \u67e5\u8a62\u7d50\u679c\u4e2d\u7372\u53d6\u8a18\u9304\u884c\u865f\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u7684\u53ef\u8b80\u6027\u8207\u7ba1\u7406\u6548\u7387\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-179616","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179616","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=179616"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179616\/revisions"}],"predecessor-version":[{"id":179617,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179616\/revisions\/179617"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}