enable_vertical_merge_algorithm = 1

vertical_merge_algorithm_min_rows_to_activate = 1

vertical_merge_algorithm_min_columns_to_activate = 1

 

 

optimize是异步去重,可以使用去重 optimize table test_tables final;

 posted on 2020-10-17 09:45  xibuhaohao  阅读(2650)  评论(1编辑  收藏  举报