[GitHub] [shardingsphere] TeslaCN opened a new issue #8593: Confusing about the method `equals` in DataSourceConfiguration

[GitBox]

TeslaCN opened a new issue #8593:
URL: https://github.com/apache/shardingsphere/issues/8593


   ## Question
   
   I wonder why 2 instances of `DataSourceConfiguration` having different 
properties are considered to be equivalent.
   
   
https://github.com/apache/shardingsphere/blob/e3c6e9df48f88af9e49232f51fe54f7139a16121/shardingsphere-infra/shardingsphere-infra-common/src/test/java/org/apache/shardingsphere/infra/config/DataSourceConfigurationTest.java#L95-L106
   
   
![image](https://user-images.githubusercontent.com/20503072/101976925-ee856000-3c84-11eb-965e-38ba22d36da9.png)
   
   
`org.apache.shardingsphere.infra.config.datasource.DataSourceConfiguration#equalsByProperties`
   
   
https://github.com/apache/shardingsphere/blob/e3c6e9df48f88af9e49232f51fe54f7139a16121/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/config/datasource/DataSourceConfiguration.java#L164-L166


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