https://github.com/3cham/hqew

How query engines work in kotlin
https://github.com/3cham/hqew

kotlin query-engine

Last synced: 9 months ago
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How query engines work in kotlin

• Host: GitHub
• URL: https://github.com/3cham/hqew
• Owner: 3cham
• Created: 2024-02-06T15:54:00.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2025-06-24T14:57:18.000Z (10 months ago)
• Last Synced: 2025-06-24T15:52:41.995Z (10 months ago)
• Topics: kotlin, query-engine
• Language: Kotlin
• Homepage:
• Size: 163 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# hqew

[![gradle CI with Gradle](https://github.com/3cham/hqew/actions/workflows/gradle.yml/badge.svg)](https://github.com/3cham/hqew/actions/workflows/gradle.yml)

Implementation of ["How query engines work?"](https://howqueryengineswork.com/) for learning queries engine & kotlin.

Progress: ![](https://geps.dev/progress/52)

## TODO

- Implement PhysicalExpression for Count, CountDistinct, Avg

- Implement Join