Re: [DISCUSSION] Support alter schema for complex types

Posted by maheshrajus on Apr 01, 2021; 10:22am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/DISCUSSION-Support-alter-schema-for-complex-types-tp107022p107322.html

Hi,

+1 For the feature. Agreed with Ajantha.

Thanks & Regards
Mahesh Raju Somalaraju

On Thu, Mar 18, 2021 at 10:00 PM akshay_nuthala <[hidden email]>
wrote:

> Hi everyone,
>
> Currently carbon only supports altering schema for primitive types.
> We can extend it to complex columns too -
> 1) alter add complex column(array/struct)
> 2) alter drop complex column(array/struct)
> 3) alter change datatype/rename complex column(array/struct)
>
> Here phase-1 focuses only on non-nested complex columns.
> Phase-2 will later target nested ones.
>
> Please let me know your valid inputs about the same.
> Following is the link to the design document.
>
>
> https://docs.google.com/document/d/1DhhkVXM8rMvOuKDZeccJpFEfO3VkA9C0c7JHCV88NXI/edit
>
> Thanks,
> Akshay
>
>
>
>
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