Hi Atri,

you can refer to this list [1]. I also aware that Apache Ignite and Hazelcast made some efforts to employ Calcite as a distributed query planner.


[1] https://calcite.apache.org/docs/powered_by.html

--
Roman Kondakov

On 14.05.2021 14:31, Atri Sharma wrote:
Is there an example I can refer to?

On Fri, 14 May 2021, 04:59 Haisheng Yuan, <[email protected]> wrote:

Yes, definitely. Many distributed big data systems use Apache Calcite to
optimize queries and generate distributed plans.

On 2021/05/13 23:16:10, Atri Sharma <[email protected]> wrote:
Thank you.

So my use case is such that I wish to use Calcite as a two phase
optimizer
-- Get a SQL query,  compile it and optimize it and convert it to a SQL
fragment.

Then run the query on worker nodes, get results on master and merge
results.

This question spans both Calcite and Avatica, but I wanted to understand
if
achieving the above is possible with Calcite today.

Atri

On Fri, 14 May 2021, 01:20 Julian Hyde, <[email protected]> wrote:

Calcite has no user@ list.  So, ask away here!

On May 13, 2021, at 10:52 AM, Atri Sharma <[email protected]>
wrote:

Sorry, didn't realize I had sent to the dev list. I will send to the
user
list

On Thu, 13 May 2021, 15:57 Atri Sharma, <[email protected]> wrote:

Hi All,

Are there examples of using Calcite to compile and optimize queries
to
be run on a set of nodes, and then merge partial results back?

Atri

--
Regards,

Atri
l'apprenant






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