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Posted to dev@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2019/03/08 02:17:16 UTC

[GitHub] [incubator-shardingsphere] wy-coder opened a new issue #1998: Full table **no sort paging** scanning

wy-coder opened a new issue #1998: Full table **no sort paging** scanning
URL: https://github.com/apache/incubator-shardingsphere/issues/1998
 
 
   ## Feature Request
   
   **For English only**, other languages will not accept.
   
   Please pay attention on issues you submitted, because we maybe need more details. 
   If no response **more than 7 days** and we cannot make decision by current information, we will **close it**.
   
   Please answer these questions before submitting your issue. Thanks!
   
   ### Is your feature request related to a problem?
   
   #1997 
   
   ### Describe the feature you would like.
   That is to say:
   
   All jdbc supports full table **no sort paging** scanning , but sahrding-jdbc does not.
   
   if do not support force route to a specify database, how to do full table **no sort paging**?
   
   limit 200 300
   
   db1 : limit 0 300
   db2 : limit 0 300
   db3 : limit 0 300
   assemble and sort 0 900
   
   limit 200 300 from 0 900
   This is not efficient.
   
   we need:
   node1 : db1 : limit 0 100
   node2 : db1 : limit 100 200
   node3 : db1 : limit 200 300

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