[jira] [Created] (IOTDB-6115) Limit & Offset push down doesn't take effect while there exist null value

[Yuan Tian (Jira)]

Yuan Tian created IOTDB-6115:


 Summary: Limit & Offset push down doesn't take effect while there 
exist null value
 Key: IOTDB-6115
 URL: https://issues.apache.org/jira/browse/IOTDB-6115
 Project: Apache IoTDB
  Issue Type: Bug
  Components: Core/Query
Reporter: Yuan Tian
Assignee: Yuan Tian
 Attachments: image-2023-08-16-13-56-22-334.png

If there exists null value in any column, it seems that the offset and limit 
push down doesn't use the statistics to skip.

!image-2023-08-16-13-56-22-334.png!



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[jira] [Created] (IOTDB-6114) Pipe: Support multi-cluster data sync

[Steve Yurong Su (Jira)]

Steve Yurong Su created IOTDB-6114:
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 Summary: Pipe: Support multi-cluster data sync
 Key: IOTDB-6114
 URL: https://issues.apache.org/jira/browse/IOTDB-6114
 Project: Apache IoTDB
  Issue Type: New Feature
Reporter: Steve Yurong Su


Target: A/B data sync.
 
1. A
create pipe atob with extractor ('extractor'='iotdb-extractor', 
'extractor.realtime.mode'='hybrid', 
'extractor.forwarding-pipe-requests'='false') with connector 
('connector'='iotdb-thrift-connector','connector.node-urls'='[127.0.0.1:6668|http://127.0.0.1:6668/]')
 
start pipe atob
 
show pipes
 
2. B
create pipe btoa with extractor ('extractor'='iotdb-extractor', 
'extractor.realtime.mode'='hybrid', 
'extractor.forwarding-pipe-requests'='false') with connector 
('connector'='iotdb-thrift-connector','connector.node-urls'='[127.0.0.1:6667|http://127.0.0.1:6667/]')
 
start pipe btoa
 
show pipes
 
3. write data randomly to A and B
 
4. check data in A and B, make sure they are consistant



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