{"id":14321,"date":"2023-12-04T01:27:31","date_gmt":"2023-12-03T17:27:31","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14321"},"modified":"2023-12-04T12:06:16","modified_gmt":"2023-12-04T04:06:16","slug":"mybatis-fen-ye-cha-xun-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-fen-ye-cha-xun-2\/","title":{"rendered":"MyBatis \u5206\u9875\u67e5\u8be2\uff1f"},"content":{"rendered":"<p>MyBatis \u4e2d\u7684\u5206\u9875\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7 SQL \u8bed\u53e5\u7684 LIMIT\uff08MySQL\uff09\u6216\u8005 ROW_NUMBER() OVER\uff08Oracle\u3001SQL Server\uff09\u7b49\u6570\u636e\u5e93\u7279\u5b9a\u7684\u5206\u9875\u65b9\u5f0f\u5b9e\u73b0\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6765\u8fdb\u884c\u5206\u9875\u67e5\u8be2\uff1a<\/p>\n<h3>1. LIMIT \u548c OFFSET\uff08MySQL\u3001PostgreSQL\u7b49\uff09<\/h3>\n<pre><code class=\"language-sql  line-numbers\">SELECT * FROM your_table LIMIT offset, count;\n<\/code><\/pre>\n<ul>\n<li><code>offset<\/code> \u662f\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\uff08\u8d77\u59cb\u7d22\u5f15\u4e3a 0\uff09<\/li>\n<li><code>count<\/code> \u662f\u8fd4\u56de\u7684\u8bb0\u5f55\u6570<\/li>\n<\/ul>\n<h3>2. ROW_NUMBER() OVER\uff08Oracle\u3001SQL Server\uff09<\/h3>\n<pre><code class=\"language-sql  line-numbers\">SELECT * FROM (\n    SELECT *, ROW_NUMBER() OVER (ORDER BY some_column) AS row_num\n    FROM your_table\n) AS temp\nWHERE row_num BETWEEN start_index AND end_index;\n<\/code><\/pre>\n<ul>\n<li><code>ROW_NUMBER()<\/code> \u7528\u4e8e\u7ed9\u6bcf\u884c\u8bb0\u5f55\u5206\u914d\u4e00\u4e2a\u5e8f\u53f7<\/li>\n<li><code>start_index<\/code> \u548c <code>end_index<\/code> \u662f\u8fd4\u56de\u8bb0\u5f55\u7684\u8d77\u59cb\u548c\u7ed3\u675f\u7d22\u5f15<\/li>\n<\/ul>\n<p>\u5728 MyBatis \u4e2d\u4f7f\u7528\u8fd9\u4e9b\u5206\u9875\u67e5\u8be2\u7684 SQL \u8bed\u53e5\u65f6\uff0c\u53ef\u4ee5\u7ed3\u5408\u53c2\u6570\u4f20\u9012\u9875\u7801\u548c\u6bcf\u9875\u6570\u636e\u91cf\u7684\u4fe1\u606f\uff0c\u52a8\u6001\u6784\u5efa SQL \u67e5\u8be2\u8bed\u53e5\uff0c\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u5f0f\u53ef\u4ee5\u5728 XML \u6620\u5c04\u6587\u4ef6\u6216\u8005\u6ce8\u89e3\u7684\u65b9\u5f0f\u4e0b\u7f16\u5199\u3002\u53c2\u6570\u901a\u5e38\u662f\u9875\u7801\u548c\u6bcf\u9875\u6570\u636e\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>#{}<\/code> \u5360\u4f4d\u7b26\u7684\u65b9\u5f0f\u4f20\u9012\u5230 SQL \u8bed\u53e5\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MyBatis \u4e2d\u7684\u5206\u9875\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7 SQL \u8bed\u53e5\u7684 LIMIT\uff08MySQL\uff09\u6216\u8005 ROW_NUMBER()  [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[],"class_list":["post-14321","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=14321"}],"version-history":[{"count":3,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14321\/revisions"}],"predecessor-version":[{"id":14470,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14321\/revisions\/14470"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14321"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}