[
https://issues.apache.org/jira/browse/IOTDB-2602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
JiaXin Zhang reassigned IOTDB-2602:
-----------------------------------
Assignee: JiaXin Zhang (was: Minghui Liu)
> Null Value Filter: support filtering based on partial columns
> -------------------------------------------------------------
>
> Key: IOTDB-2602
> URL: https://issues.apache.org/jira/browse/IOTDB-2602
> Project: Apache IoTDB
> Issue Type: New Feature
> Components: Core/Query
> Reporter: Minghui Liu
> Assignee: JiaXin Zhang
> Priority: Major
> Fix For: master branch
>
> Original Estimate: 32h
> Remaining Estimate: 32h
>
> E.g.
> {code:java}
> IoTDB> select * from root.sg1.d1
> +----+--------------+--------------+--------------+
> |Time|root.sg1.d1.s1|root.sg1.d1.s2|root.sg1.d1.s3|
> +----+--------------+--------------+--------------+
> | 0| 1| 2| 3|
> | 1| null| 2| 3|
> | 2| 1| null| 3|
> | 3| 1| 2| null|
> +----+--------------+--------------+--------------+
> Total line number = 4
> It costs 0.006s {code}
>
> {code:java}
> IoTDB> select * from root.sg1.d1 without null any
> +----+--------------+--------------+--------------+
> |Time|root.sg1.d1.s1|root.sg1.d1.s2|root.sg1.d1.s3|
> +----+--------------+--------------+--------------+
> | 0| 1| 2| 3|
> +----+--------------+--------------+--------------+
> Total line number = 1
> It costs 0.04s{code}
> {code:java}
> IoTDB> select * from root.sg1.d1 without null any (s1, s2)
> +----+--------------+--------------+--------------+
> |Time|root.sg1.d1.s1|root.sg1.d1.s2|root.sg1.d1.s3|
> +----+--------------+--------------+--------------+
> | 0| 1| 2| 3|
> | 3| 1| 2| null|
> +----+--------------+--------------+--------------+
> Total line number = 2
> It costs 0.006s {code}
--
This message was sent by Atlassian Jira
(v8.20.1#820001)
