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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/06/24 10:15:26 UTC

[GitHub] [shardingsphere] TeslaCN opened a new issue #10989: Make fetch size configurable when connection mode is MEMORY_STRICTLY

TeslaCN opened a new issue #10989:
URL: https://github.com/apache/shardingsphere/issues/10989


   ## Feature Request
   
   ### Is your feature request related to a problem?
   
   When connection mode in Proxy is `MEMORY_STRICTLY`, statement's fetch size will be set to the minimum value, which makes the data  from backend database to the proxy are retrieved row-by-row.
   
   For instance, the client `setFetchSize(1000)`, but connection mode in the Proxy is `MEMORY_STRICTLY`, the Proxy will fetch 1000 times from backend database.
   
   https://github.com/apache/shardingsphere/blob/69ddd41f4d46be27e766c67eaaa7eb4459f44a5b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/jdbc/statement/impl/MySQLStatementMemoryStrictlyFetchSizeSetter.java#L32
   
   https://github.com/apache/shardingsphere/blob/69ddd41f4d46be27e766c67eaaa7eb4459f44a5b/shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/communication/jdbc/statement/impl/PostgreSQLStatementMemoryStrictlyFetchSizeSetter.java#L32
   
   ### Describe the feature you would like.
   
   Consider making the fetch size configurable.


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[GitHub] [shardingsphere] tristaZero closed issue #10989: Make fetch size configurable when connection mode is MEMORY_STRICTLY

Posted by GitBox <gi...@apache.org>.
tristaZero closed issue #10989:
URL: https://github.com/apache/shardingsphere/issues/10989


   


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