Hello!
I think that you could write a Cache Store loader that did this
transformation before passing data to be put in cache.
Please see
https://apacheignite.readme.io/docs/3rd-party-store#section-custom-cachestore
Regards,
--
Ilya Kasnacheev
вт, 25 июн. 2019 г. в 00:39, exabrial :
> Hello everyone. We're thinking about using ignite.
>
> We have a need to transform some data in a MySQL database. We have a table
> like
>
> Data Table:
> id val0_cv_id val1_cv_id val2_cv_id
> 1 2 2 1
> 2 2 3 null
> the cv_id columns are foreign keys to this table:
>
> Code Values
> id value_name
> 1 feature_z
> 2 feature_a
> 3 feature_b
>
>
> The tool the data science team needs the data in the database to be in the
> folowing format:
>
> data_table_row_id has_feature_a has_feature_b has_feature_z
> 1 101
> 2 110
>
> Essentially, rotating the data 90 degrees about the origin and "binarizing"
> it.
>
> Is it possible for Ignite to do this, and then allow third party tools
> (Like
> a SQL client or Metabase or Tableau) to connect to the transformed Ignite
> dataset?
>
> I see in the documentation there is a preprocessor that does binarization,
> but I'm unsure if the result dataset can be offered as a service.
>
>
> Thank you!
> -Jonathan
>
>
>
> --
> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>
