https://blog.youkuaiyun.com/sinat_35670743zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/sinat_35670743/article/details/167911602https://blog.youkuaiyun.com/sinat_35670743/article/details/167911602sinat_35670743Wed, 14 Oct 2026 14:13:56 +0800 占位符问题。关键改动包括使用 coalesce(expression, column_name) 兼容函数索引、添加 group by 和调整排序逻辑。验证后复合索引正常显示，]]>https://blog.youkuaiyun.com/sinat_35670743/article/details/130964792https://blog.youkuaiyun.com/sinat_35670743/article/details/130964792sinat_35670743Wed, 31 May 2023 11:49:13 +0800