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https://issues.apache.org/jira/browse/IOTDB-462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17034983#comment-17034983
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Jialin Qiao commented on IOTDB-462:
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Hi, a user also encounters this problem. Reducing
Hi all,
I'm currently fixing this issue: Seperate AlignByDevicePlan from QueryPlan[1].
There are three aspects that I changed:
(1) Restructure QueryPlan
The general query aligning by time and the AlignByDevice query ( which is
called groupByDevice before ) were both storaged in QueryPlan
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https://issues.apache.org/jira/browse/IOTDB-462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17034985#comment-17034985
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Jialin Qiao commented on IOTDB-462:
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[https://github.com/apache/incubator-iotdb/pull/794]
> Failed to
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https://issues.apache.org/jira/browse/IOTDB-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17035005#comment-17035005
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Shao Wei commented on IOTDB-298:
Hi, a last query scan just work as normal query scan. I've learned that
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Jialin Qiao closed IOTDB-462.
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Fix Version/s: 0.10.0-SNAPSHOT
Resolution: Fixed
> Failed to execute goal for
Hi,
It looks good, only one thing that all topics need to be lowercase.
Thanks,
—
Jialin Qiao
School of Software, Tsinghua University
乔嘉林
清华大学 软件学院
atoiLiu 于2020年2月11日周二 下午12:03写道:
> Hi,
>
> Infra said it was a self-serve service and provided a link to the
> explanatory
Hi
The property tree is a semi-finished function, whose use cases are not
clear. I suggest removing it.
Thanks,
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Jialin Qiao
School of Software, Tsinghua University
乔嘉林
清华大学 软件学院
孙泽嵩 于2020年2月11日周二 上午10:08写道:
> Hi all,
>
> I’m currently working on refactoring MManager [1] ,
Hi Dawei,
Thank you so much that you share your opinion about new TsFile!
I am very happy to take your suggestions.
You said we can remove TsOffsetArray and directly store the offset of
TimeseriesMetaData. I agree with you. It is better than my version.
Besides, for the optimization of
Hi,
I’m learning new TsFile in PR [1], but I think TsFileMetaData has a bad design.
TsFileMetaData has a TsOffsetArray, TsOffsetArray is record every offset of
TimeseriesMetaData, and use Map to record startIndex ,
endIndex of TsOffsetArray, it’s looks like :
TsFileMetaData —>{ [0,1,2,3,4,5,
Hi,
If we use text when a column has multiple types, I'm ok with (3).
Thanks,
—
Jialin Qiao
School of Software, Tsinghua University
乔嘉林
清华大学 软件学院
魏祥威 <526213...@qq.com> 于2020年2月9日周日 下午5:30写道:
> Hi,
>
>
> I agree with the opinion of Xiangdong Huang.
>
>
> (3) is the most
Hi,
Thank you for your reply.
I am very happy that you can take my suggestion.
Thanks
Dawei Liu
> 2020年2月11日 下午6:04,Haonan Hou 写道:
>
> Hi Dawei,
>
> Thank you so much that you share your opinion about new TsFile!
> I am very happy to take your suggestions.
>
> You said we can remove
Hi,
Is there someone being troubled with the following server log:
IoTDB: Login status: Login successfully. User : root
IoTDB: receive close operation
IoTDB: receive close session
When I checked one user's IoTDB log, I am stuck with so many "login" and
"close log records...
I know audit is
Hi,
+1. We can pick the removed codes back from the git repo if really
necessary in the future.
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Xiangdong Huang
School of Software, Tsinghua University
黄向东
清华大学 软件学院
Jialin Qiao 于2020年2月11日周二 下午5:48写道:
> Hi
>
> The property tree is a semi-finished
Hi Jialin,
Very glad that you can agree with that. :-D
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Xiangdong Huang
School of Software, Tsinghua University
黄向东
清华大学 软件学院
Jialin Qiao 于2020年2月11日周二 下午5:50写道:
> Hi,
>
> If we use text when a column has multiple types, I'm ok with (3).
>
> Thanks,
>
Hi,
If each device only stores each offset of TimeseriesMetadata like this:
TsFileMetaData ---> [ {deviceId(d0), [0,1,2] }, {deviceId(d1), [3,4,5] }, …
}
It could be simplified to recording the start offset and end offset:
TsFileMetaData ---> [ {deviceId(d0), [0, 2] }, {deviceId(d1), [3,5] }, …
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atoildw commented on IOTDB-298:
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i have a question, if i'm in step 2 for scanning last result ,at the same
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https://issues.apache.org/jira/browse/IOTDB-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17034640#comment-17034640
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Shao Wei commented on IOTDB-298:
Here is a brief design specification of *Last* query
1. "Last" query
Hi Zesong,
Thanks for bring up this discussion!
+1 for your proposal!
Best,
Jincheng
Xiangdong Huang 于2020年2月11日周二 下午9:39写道:
> Hi,
>
> +1. We can pick the removed codes back from the git repo if really
> necessary in the future.
>
> ---
> Xiangdong Huang
>
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