Range query is not adaptive for binding-tables.
在 2021-03-25 16:02:57,"xiaoliaole" <xiaolia...@163.com> 写道:
>你好
>
>       
> 请问下,使用自定义分片算法的时候,怎样可以使binding-tables生效?期望order_info_ext和order_info的连表查询的分片保持一致,但是现在发现不一致。
>
>       配置如下:
>
>order_info_ext:
>  # 真实表
>  actualDataNodes: order-s-ms.order_info_ext_s_$->{0..25}
>  # 分库策略
>  databaseStrategy:
>    none:
>  # 分表策略
>  tableStrategy:
>    complex:
>      # 分片字段
>      shardingColumns: order_id,create_time
>      # 自定义分片算法
>      algorithm-class-name: 
> sharding.algorithm.order.config.OrderShardingAlgorithm
>
>       查询语句如下:
>
>       2021-03-25 15:38:15.117 [http-nio-12000-exec-1] INFO  
> ShardingSphere-SQL - Actual SQL: gac-order-s-statistics ::: SELECT count(*) 
> FROM `order_info_s_22` t
>
>              
>
>           
>
>              
>
>                LEFT JOIN order_info_ext_s_10 t2 ON t.order_id = t2.order_id
>
>             
>
>         
>
>        
>
>         WHERE 
>
>                   t.user_id
>
>                   =
>
>                   ?
>
>               
>
>           
>
>               
>
>                   AND
>
>                   t.order_id
>
>                   >
>
>                   ? ::: [123, 0]
>
> 
>
>       2021-03-25 15:38:15.117 [http-nio-12000-exec-1] INFO  
> ShardingSphere-SQL - Actual SQL: gac-order-s-statistics ::: SELECT count(*) 
> FROM `order_info_s_22` t
>
>              
>
>           
>
>              
>
>                LEFT JOIN order_info_ext_s_10 t2 ON t.order_id = t2.order_id
>
>             
>
>         
>
>        
>
>         WHERE 
>
>                   t.user_id
>
>                   =
>
>                   ?
>
>               
>
>           
>
>               
>
>                   AND
>
>                   t.create_time
>
>                   >
>
>                   ? ::: [123, 1970-11-05 15:43:12]
>
> 

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