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这似乎太贵了。有人可以帮我转动改变以适应左连接吗?max(dateprocessed) 语法正在杀死我。

SELECT a.container, a.blnumber, a.bookingnumber, a.dateprocessed 
      FROM tracking_buffer_archive a, (SELECT container, blnumber, bookingnumber, max(dateprocessed) 
      AS max_date FROM tracking_buffer_archive GROUP BY container) b
      WHERE 
      a.bookingnumber = '26007465580A'
      and a.container = b.container 
      and a.blnumber = b.blnumber
      AND a.dateprocessed = b.max_date

提前致谢!

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