How to output list which can't be joined
Hello,
I would like to know how to output list which can't be joined.
I would like to join two list as below with "Product".
My ETL is below.
I could join the data.
I would like to make one more output as below data.
"grape" in Product in left list is not existed in right list.
So I would like to output this data as well.
How do I set this method by ETL?
Thank you.
Best Answers
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Hi @eriena, is your use case related to getting a list of products that don't have an assigned shop and then you (or other users) can go back to that dataset 2 to correct/update it? If so, you can have a full outer join (i.e. giving you all the records from both tables and joining matching records where possible) setup and then add a Filter tile to only include any rows where you have a product but no shop. So it would go: Join tile -> Filter tile -> Output tile.
9 -
You wouldn’t necessarily need a full outer join as the left join would work just fine. After your join just add a filter tile to say where shop is null and then feed that into another output dataset
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Answers
-
Hi @eriena, is your use case related to getting a list of products that don't have an assigned shop and then you (or other users) can go back to that dataset 2 to correct/update it? If so, you can have a full outer join (i.e. giving you all the records from both tables and joining matching records where possible) setup and then add a Filter tile to only include any rows where you have a product but no shop. So it would go: Join tile -> Filter tile -> Output tile.
9 -
You wouldn’t necessarily need a full outer join as the left join would work just fine. After your join just add a filter tile to say where shop is null and then feed that into another output dataset
**Was this post helpful? Click Agree or Like below**
**Did this solve your problem? Accept it as a solution!**3 -
Hi @amehdad , @GrantSmith ,
Thank you so much for your advices.
I didn't realize full outer join, your advices help me very much.
Thank you.
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