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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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