tursodatabase/turso

Schema migrations improvements over SQLite

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#303 opened on Aug 23, 2024

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enhancementhelp wantedimprovements

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Description

Schema migrations are a common source of frustration for many SQLite users because they're pretty limited:

https://www.sqlite.org/draft/faq.html#q11

Let's improve schema migrations in Limbo over what SQLite has.

Contributor guide

Research direction
Review Limbo's current schema migration implementation and SQLite's migration limitations. Identify areas where Limbo can improve, such as allowing ALTER TABLE ADD COLUMN with constraints, table rewrites, or transactional DDL. Propose a design for enhanced migration support.
Tech stack
rustsql
Domain
database
Issue type
Feature
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.
1-2 days
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.
Mostly clear
Prerequisites
RustSQLDatabase Migrations
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35