Pivots using ETL Metadata Injection

问题

It's quite simple to use row denormaliser to achieve pivots when we have few records which can be written manually in denorm step,but what when there's hundreds of thousands of records? I tried using etl metadata injection step, but I was unable to achieve my desired output.

Here is the link to my previous post where my source data has been defined.

and here is what I have tried

row denormaliser options

pivot_inject_etl_metadata.ktr

回答1:

Try something like this:

pivot_inject_etl_metadata.ktr:

Group by: sku_id

Add constants:

ETL Metadata Injection:

来源：https://stackoverflow.com/questions/35715048/pivots-using-etl-metadata-injection