Thank you very much, now I can see distribution in RelTrait, and I still
have some doubts:
1. It seems in Calcite's main query process(via Prepare#prepareSql) there's
no code to `addRelTraitDef(RelDistributionTraitDef.INSTANCE)`, and even no
config, anyone know why?
2. I enable `useAbstractConverte
The detail message is as follows, and I can see LogicalSort and
LogicalExchange has been generated though ExpandConversionRule.
Missing conversions are EnumerableTableScan[sort: [] -> [0]] (2 cases)
There are 2 empty subsets:
Empty subset 0: rel#47:Subset#0.ENUMERABLE.[0].hash[0], the relevant
par
Hi
When I see the example of HASH_DISTRIBUTED,
e.g. RelDistributions.hash(ImmutableList.of(0)), or in
RelDistributionImpl#satisfies
I can't find the info about "hash partition num" of "hash func", if we
don't know these message, how can we perform a Bucket Join (Collocated
Join)?
Or do I miss some
Hi,
I have started building a JDBC driver for Apache Arrow Flight [1] and it
has been suggested that I use Avatica instead of building from scratch.
However, I'm not sure if Avatica is really designed for this use case since
I would not require the Avatica wire protocol or server process. The Flig
Hey Andy,
I totally forgot that Avatica added all that extra stuff. I didn't
originally have it back in the day :)
Drill and Dremio both use Avatica without using the protocol/server/etc.
On Mon, Feb 3, 2020 at 2:45 PM Andy Grove wrote:
> Hi,
>
> I have started building a JDBC driver for Apach
The Apache Jenkins build system has built Calcite-Master (build #1590)
Status: Failure
Check console output at https://builds.apache.org/job/Calcite-Master/1590/ to
view the results.
Danny Chen created CALCITE-3766:
---
Summary: Add a Builder to RelHint
Key: CALCITE-3766
URL: https://issues.apache.org/jira/browse/CALCITE-3766
Project: Calcite
Issue Type: Sub-task
Com
