[GitHub] [shardingsphere] tanpeng2018 opened a new issue, #24335: 4.1.1 Upgrade to 5.1.1 A large number of union all cause memory problems

[via GitHub]

tanpeng2018 opened a new issue, #24335:
URL: https://github.com/apache/shardingsphere/issues/24335

   The project upgraded the component from 4.1.1 to 5.1.1. The sub-table 
configuration was correct and the service was started normally. However, a 
large number of union all table queries occurred during the execution of sql, 
resulting in sql execution failure. The specific information is as follows:
   
   <img width="1346" alt="WechatIMG2285" 
src="https://user-images.githubusercontent.com/39759481/221091661-7291cf5b-ffd2-4254-bc30-7fa0f259e11d.png";>
   As shown in the figure, the original sql is very simple and can also find 
the unique table according to the table splitting conditions, but the above 
error is reported. The following is a screenshot of some sql:
   
   <img width="1439" alt="WechatIMG2292" 
src="https://user-images.githubusercontent.com/39759481/221091678-00fe3577-ee8e-48d8-a2a0-d35c8557a651.png";>
   


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