RaigorJiang commented on issue #23421:
URL: 
https://github.com/apache/shardingsphere/issues/23421#issuecomment-1375288688

   Hi @Enternal-ZERO 
   I remember a scene related to #13375,  pseudocode:
   ```java
   public String fooQuery {
   # insert a request log
   statement.executeUpdate("xxx");
   
   # do some business query
   statement.executeQuery("xxx");
   ...
   return result;
   }
   ```
   As above, if I have such a business scenario (record request log), then all 
request threads are `MASTER_VISITED`, and no request will be routed to the read 
data source. This violates the original intention of readwrite splitting.
   


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