OK，I got your point.
Thanks for sharing.
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王炎林
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邮箱：1989yanlinw...@163.com
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签名由 网易邮箱大师 定制
On 10/13/2019 06:17, Stamatis Zampetakis wrote:
I was thinking that RelFieldTrimmer can be used to transform the plan P1 to
plan P2 and then ProjectTableScanRule can be used to introduce the
BindableT
+1, RelFieldTrimmer is the role to trim the unused fields.
Best,
Danny Chan
在 2019年10月13日 +0800 AM6:25，dev@calcite.apache.org，写道：
>
> RelFieldTrimmer
liuzonghao created CALCITE-3406:
---
Summary: duplicate initialize scope
Key: CALCITE-3406
URL: https://issues.apache.org/jira/browse/CALCITE-3406
Project: Calcite
Issue Type: Improvement
Hi, Stamatis, Danny~
Thanks for explain ~
> "The consumer in the case of P1 is the project which only needs $0, $2,
$5,
$6 so the trimmer could slim down the scan by projecting only these fields."
I think RelFieldTrimmer is already doing this by [1].
But why the final BindableTableScan is not pr
Also regarding that Projects merging is common in Calcite optimization
rules, we should always remember to avoid merging for cases like the one
given by Rommel.
I think that would be hard.
Best,
Jin
XING JIN 于2019年10月14日周一 上午11:51写道：
> Hi, Stamatis, Danny~
>
> Thanks for explain ~
>
> > "The co
Hi Team,
Gentle reminder!
Regards,
Neha Saini
From: Neha Saini
Sent: Thursday, October 10, 2019 3:30 PM
To: dev@calcite.apache.org
Subject: Calcite - Model - MongoDB view
Hi Team,
Greetings for the day.
I am working as a technical architect in HCL technologies.
I am doing a PoC on Apache calc
Wang Yanlin created CALCITE-3407:
Summary: Add support for interpretering minus/intersect relational
set operators
Key: CALCITE-3407
URL: https://issues.apache.org/jira/browse/CALCITE-3407
Project: Ca
