mozilla/mentat

[tx] Implement Datomic's `:db.fn/retractEntity` and DataScript's `:db.fn/retractAttribute`

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#378 opened on Mar 20, 2017

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A-transactcorrectnessenhancementhelp wantedready

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Description

This is #46 but for the Rust implementation.

Contributor guide

Research direction
Study the existing transaction and data model in Mentat, understand how retractEntity and retractAttribute work in Datomic and DataScript, then implement the corresponding logic in Rust, likely modifying the transaction processing and index structures.
Tech stack
rust
Domain
databasebackend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Needs investigation
Prerequisites
RustDatomic/DataScript concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30