performance: enable xor filter index for IN

Repository metrics

Stars

9,314 stars (9,314 stars)

PR merge metrics

Avg merge 4d 18h (Avg merge 4d 18h)99 merged PRs in 30d (99 merged PRs in 30d)

Description

SELECT * FROM t1 where xx IN ('', '')

Contributor guide

Research direction

Examine the existing bloom filter implementation for IN queries and understand how to replace it with a xor filter for better performance. Look at the index code and the query execution path.

Tech stack

rust

Domain

databasebackend

Issue type

Performance

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Half day

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

RustSQL

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

65