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From Mich Talebzadeh <>
Subject Re: Does Rollups work with spark structured streaming with state.
Date Wed, 16 Jun 2021 18:06:29 GMT

Just to clarify

Are we talking about* rollup* as a subset of a cube that computes
hierarchical subtotals from left to right?

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On Wed, 16 Jun 2021 at 16:37, Amit Joshi <> wrote:

> Appreciate if someone could give some pointers in the question below.
> ---------- Forwarded message ---------
> From: Amit Joshi <>
> Date: Tue, Jun 15, 2021 at 12:19 PM
> Subject: [Spark]Does Rollups work with spark structured streaming with
> state.
> To: spark-user <>
> Hi Spark-Users,
> Hope you are all doing well.
> Recently I was looking into rollup operations in spark.
> As we know state based aggregation is supported in spark structured
> streaming.
> I was wondering if rollup operations are also supported?
> Like the state of previous aggregation on the rollups are saved.
> If rollups are not supported, then what is the standard way to handle this?
> Regards
> Amit Joshi

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