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# ask-community
a

Andrew Gartrell

08/02/2023, 8:01 PM
I have a multi-partitioned asset with two dimensions
projects
(dynamic partition) and
weeks
(time partition). I want to create a downstream asset that is partitioned only on the
weeks
dimension, so that it can aggregate across
projects
. Is this possible? I see
MultiToSingleDimensionPartitionMapping
, which seems relevant and I realize is experimental, but I’m looking at the source and I can’t figure out how to actually use it. Am I headed in the right direction? Does anyone have an example of a mapping from a multipartition? Thanks in advance if anyone has any guidance.
c

claire

08/03/2023, 6:41 PM
Hi Andrew. I answered your question in this discussion: https://github.com/dagster-io/dagster/discussions/15675 Hope this helps!
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Andrew Gartrell

08/04/2023, 2:41 PM
Thank you so much Claire!