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Posted to issues@calcite.apache.org by "Danny Chen (Jira)" <ji...@apache.org> on 2019/10/15 07:08:00 UTC

[jira] [Commented] (CALCITE-3412) Response Error for FLOOR TIMESTAMP TO WEEK

    [ https://issues.apache.org/jira/browse/CALCITE-3412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951666#comment-16951666 ] 

Danny Chen commented on CALCITE-3412:
-------------------------------------

I'm curious what is the right start day of a week, Sunday ?

> Response Error for FLOOR TIMESTAMP TO WEEK 
> -------------------------------------------
>
>                 Key: CALCITE-3412
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3412
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>         Environment: mac,linux
>            Reporter: huaicui
>            Priority: Major
>         Attachments: image-2019-10-15-13-33-34-896.png
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> The start day of the week is not Sunday or Monday, calcite use Tuesday to split a week, like this:
> select FLOOR(CAST('2017-01-28' AS TIMESTAMP) TO WEEK);
> The response is :
> 2017-01-26 00:00:00.0
> 2017-01-26 is Tuesday.
>  
>  



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