12 2023 档案

mysql逗号分隔多行
摘要：SELECT id, SUBSTRING_INDEX(SUBSTRING_INDEX(uid, ',', n), ',', - 1) AS idFROM hd_check_plain, (SELECT @rownum := @rownum + 1 AS n FROM (SELECT @rownum 阅读全文
posted @ 2023-12-19 18:41 _Lawrence 阅读(21) 评论(0) 推荐(0) 编辑

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