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https://issues.apache.org/jira/browse/IOTDB-6344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17860089#comment-17860089
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xiaozhihong commented on IOTDB-6344:
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!image-2024-06-26-16-06-28-383.png|width=772,height=308!
> Don't display null in cli
> -------------------------
>
> Key: IOTDB-6344
> URL: https://issues.apache.org/jira/browse/IOTDB-6344
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Query
> Reporter: Yuan Tian
> Assignee: Yuan Tian
> Priority: Major
> Attachments: image-2024-06-26-14-40-02-441.png,
> image-2024-06-26-16-06-28-383.png
>
>
> execute the following sql:
> ```
> CREATE DATABASE root.sg_type;
> CREATE TIMESERIES root.sg_type.d_0.s_boolean BOOLEAN;
> CREATE TIMESERIES root.sg_type.d_0.s_int32 INT32;
> CREATE TIMESERIES root.sg_type.d_0.s_int64 INT64;
> CREATE TIMESERIES root.sg_type.d_0.s_float FLOAT;
> CREATE TIMESERIES root.sg_type.d_0.s_double DOUBLE;
> CREATE TIMESERIES root.sg_type.d_0.s_text TEXT;
> CREATE TIMESERIES root.sg_type.d_0.s_timestamp TIMESTAMP;
> CREATE TIMESERIES root.sg_type.d_0.s_date DATE;
> CREATE TIMESERIES root.sg_type.d_0.s_blob BLOB;
> CREATE TIMESERIES root.sg_type.d_0.s_string STRING;
> INSERT INTO root.sg_type.d_0(time, s_int32, s_int64, s_float, s_double,
> s_text) VALUES (0, 0, 0, 0.000000, 0.000000, 'text0');
> ```
>
> we don't insert s_boolean, so we should get null, but we still get false:
> ```
> select s_int32, s_int64, s_float, s_double, s_boolean, s_text from
> root.sg_type.d_0;
> ```
> !image-2024-06-26-14-40-02-441.png!
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