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https://issues.apache.org/jira/browse/IOTDB-203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jialin Qiao closed IOTDB-203.
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Fix Version/s: 0.9.0
Resolution: Fixed
> A new result set for
gn Details
# REALIZATION OF GROUP BY DEVICE - Code Realization
# USER GUIDANCE OF GROUP BY DEVICE
# ORIGINAL DEMANDS
1. As stated in JIRA IOTDB-203 and discussed in this email thread, a new result
set format / narrow table / group by device
2. filter the devices using regular expression. For example
ian
>
> Am 07.09.19, 04:29 schrieb "Jialin Qiao" :
>
> Hi,
>
> As described in this issue, a new result set format is wanted by
users. I'd like to open a discussion here.
>
> For simplicity, I refer this format "time, root
t;
> Lastly, I think the better query execution efficiency that a narrow table
> may sometimes has is not the drive purpose,
> because presenting the query result in a wide table and in a narrow table
> are two different tasks.
>
>
> Sincerely,
> Lei Rui
>
>
> Fro
a narrow table may
sometimes has is not the drive purpose,
because presenting the query result in a wide table and in a narrow table are
two different tasks.
Sincerely,
Lei Rui
From： Jialin Qiao
Date： 9/7/2019 15:26
To：
Subject： Re: A new result set format
Hi Julian，
He is my friend
1" with a narrow table format?
Lastly, I think the better query execution efficiency that a narrow table may
sometimes has is not the drive purpose,
because presenting the query result in a wide table and in a narrow table are
two different tasks.
Sincerely,
Lei Rui
From： Jialin Qiao
Dat
e better query execution efficiency that a narrow table may
sometimes has is not the drive purpose,
because presenting the query result in a wide table and in a narrow table are
two different tasks.
Sincerely,
Lei Rui
From： Jialin Qiao
Date： 9/7/2019 15:26
To：
Subject： Re: A new result set
t; 发件人: "Julian Feinauer"
> 发送时间: 2019-09-07 13:52:17 (星期六)
> 收件人: "dev@iotdb.apache.org"
> 抄送:
> 主题: Re: A new result set format
>
> Hi Jialin,
>
> perhaps one question about "wanted by users" means (as I didn’t see anything
> on the l
Hi Jialin,
perhaps one question about "wanted by users" means (as I didn’t see anything on
the list).
How do these users get in contact with you?
Julian
Am 07.09.19, 04:29 schrieb "Jialin Qiao" :
Hi,
As described in this issue, a new result set format is
Hi,
As described in this issue, a new result set format is wanted by users. I'd
like to open a discussion here.
For simplicity, I refer this format "time, root.sg1.d1.s1, root.sg1.d2.s1" to
wide table, and "time, deviceId, s1" as narrow table.
This issue is not only a
Jialin Qiao created IOTDB-203:
-
Summary: A new result set format
Key: IOTDB-203
URL: https://issues.apache.org/jira/browse/IOTDB-203
Project: Apache IoTDB
Issue Type: New Feature
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