ningyu1 opened a new issue #2873: How to get the results of the database fragmentation algorithm in the table fragmentation algorithm URL: https://github.com/apache/incubator-shardingsphere/issues/2873 ## How to get the results of the database fragmentation algorithm in the table fragmentation algorithm Partition key format: `YYYYMM`, for example: 201908 Database actualDataNodes: ds${2017..2019} Table actualDataNodes: ds${2017..2019} Now I am experiencing the following problem. When implementing the RangeShardingAlgorithm interface, when the 'between and' is processed, the condition is 'between 201801 and 201908'. In fact, you should go to the order1 to order12 table of the ds2018 library and the order1 to order8 table of the ds2019 library for query. In the algorithm class of the table, how to obtain the routedDataSources value in the current loop, and determine whether to cross the year according to routedDataSources, thereby determining the range of the table. The current status quo is that the database algorithm returns 'ds2018, ds2019', and then calls the table 'dosharding' method according to the number of sub-database results, but the table 'dosharding' method cannot get the routedDataSources of the current loop, so it is impossible to know. What database is the current loop, so it is impossible to handle the exact range of table values. This problem is bothering me and I hope to get help.
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