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Posted to notifications@iotdb.apache.org by "xiaozhihong (Jira)" <ji...@apache.org> on 2022/06/13 07:54:00 UTC
[jira] [Commented] (IOTDB-3371) [cluster]When the alias executes the query, the information shows null
[ https://issues.apache.org/jira/browse/IOTDB-3371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17553428#comment-17553428 ]
xiaozhihong commented on IOTDB-3371:
------------------------------------
Start 3C3D and execute the following SQL, null when executing alias alias query.
IoTDB> show timeseries root.sg.d1.s3;
+-------------+-----------+-------------+--------+--------+-----------+----+----------+
| timeseries| alias|storage group|dataType|encoding|compression|tags|attributes|
+-------------+-----------+-------------+--------+--------+-----------+----+----------+
|root.sg.d1.s3|temperature| root.sg| INT32| RLE| SNAPPY| | |
+-------------+-----------+-------------+--------+--------+-----------+----+----------+
Total line number = 1
It costs 0.007s
IoTDB> select temperature from root.sg.d1;
Msg: null
> [cluster]When the alias executes the query, the information shows null
> ----------------------------------------------------------------------
>
> Key: IOTDB-3371
> URL: https://issues.apache.org/jira/browse/IOTDB-3371
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Cluster, mpp-cluster
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: xiaozhihong
> Assignee: Minghui Liu
> Priority: Major
> Labels: pull-request-available
> Attachments: logs.zip
>
>
> Start 3confignodes and 3 datanodes, when the alias executes the query, the information shows null.
> Like this:
> {code:java}
> IoTDB> select ** from root.sg.**;
> +-----------------------------+-------------+-------------+
> | Time|root.sg.d1.s1|root.sg.d1.s2|
> +-----------------------------+-------------+-------------+
> |1970-01-01T08:00:00.001+08:00| 20.12| 50.32|
> |1970-01-01T08:00:00.020+08:00| 21.44| 65.33|
> +-----------------------------+-------------+-------------+
> Total line number = 2
> It costs 0.017s
> IoTDB> select s1 as temperature, s2 as speed from root.sg.d1
> Msg: null
> {code}
> The log information view attachment.
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