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AsOfJoin with subset of partitioning columns on right side

Open MartinRoth opened this issue 4 years ago • 2 comments

Hi,

I have a timeseries with sensor readings for many different motors of several machines and a timeseries with the products that run on the respective machine. The sensor readings are partitioned by machine and motor and the products are partitioned by machine only.

Currently I have to transform the tsdf object of the sensor readings back to a normal data frame object and make a new tsdf object that is only partitioned by the machine to make the asof join. I assume this is a common use case and allowing less partitions on the right side of the asof join would be very convenient.

Cheers, Martin

MartinRoth avatar Oct 08 '21 06:10 MartinRoth

Hi Martin, we will take a look at this in a meeting next week to prioritize. Thanks for sending!

rportilla-databricks avatar Oct 15 '21 02:10 rportilla-databricks

Revisiting this feature request, it seems reasonable - we will implement ASAP

tnixon avatar Apr 24 '23 22:04 tnixon