apache / apache/paimon

[Feature] Integrate statistics with PaimonSplitScan

Open
#5,196 0 comments 0 reactions 0 assignees View on GitHub
enhancement
Dominant language
Java
Stars
3.4k
Forks
1.4k
Avg merge
1d 11h
Merged PRs (30d)
396

Description

### Search before asking

- [x] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.

### Motivation

The PaimonSplitScan does not report statistics, this would affect the merge into operation's CBO

### Solution

_No response_

### Anything else?

_No response_

### Are you willing to submit a PR?

- [x] I'm willing to submit a PR!

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by locating PaimonSplitScan and tracing how scan statistics are represented and consumed by the merge-into operation's cost-based optimizer. The work is done when PaimonSplitScan reports the statistics needed for that CBO integration.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.