[GitHub] [shardingsphere] natehuangting opened a new issue, #19693: Read-write split configuration supports Cartesian product

[GitBox]

natehuangting opened a new issue, #19693:
URL: https://github.com/apache/shardingsphere/issues/19693

   ## Feature Request
   
   ### Describe the feature you would like.
   
   I recently found that I need to configure a lot when configuring read-write 
separation.
   For example, the following configuration, there are only two, if there are 
100, then the configuration file is very large
   
   ``` yaml
   readwrite_ds_0:
     staticStrategy:
       writeDataSourceName: ds_write_0
       readDataSourceNames:
         - ds_read_0
     loadBalancerName: randomreadwrite_ds_1:
     staticStrategy:
       writeDataSourceName: ds_write_1
       readDataSourceNames:
         - ds_read_1
     loadBalancerName: random
   ```
   
   So I want to optimize this configuration by cartesian product. The optimized 
configuration is as follows.
   ``` yaml
   readwrite_ds_${0..9}:
     staticStrategy:
       writeDataSourceName: ds_write_${0..9}
       readDataSourceNames:
         - ds_read_${0..9}
     loadBalancerName: random
   ```
   


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