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Posted to notifications@iotdb.apache.org by "Yukun Zhou (Jira)" <ji...@apache.org> on 2022/10/26 03:21:00 UTC

[jira] [Commented] (IOTDB-4754) NULL String while executing schema related queries

    [ https://issues.apache.org/jira/browse/IOTDB-4754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17624159#comment-17624159 ] 

Yukun Zhou commented on IOTDB-4754:
-----------------------------------

https://github.com/apache/iotdb/pull/7728

> NULL String while executing schema related queries
> --------------------------------------------------
>
>                 Key: IOTDB-4754
>                 URL: https://issues.apache.org/jira/browse/IOTDB-4754
>             Project: Apache IoTDB
>          Issue Type: Bug
>            Reporter: Yuan Tian
>            Assignee: Yukun Zhou
>            Priority: Major
>         Attachments: image-2022-10-25-17-45-11-835.png, image-2022-10-25-17-45-17-194.png
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> In `Column` of `TsBlock`, we should use `valueIsNull` field to indicate that current position value is null instead of directly write a "null" string value.
> !image-2022-10-25-17-45-11-835.png|width=284,height=326!
> !image-2022-10-25-17-45-17-194.png|width=883,height=497!



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