tursodatabase/turso

Add prepare_cached() support to Turso Rust SDK

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#4,548 opened on Jan 9, 2026

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Description

Add support for this rusqlite API essentially:

https://docs.rs/rusqlite-le/latest/rusqlite/struct.Connection.html#method.prepare_cached

Eliminates the need to re-parse queries all the time since it's hard to reuse a Statement especially with multi-threading enabled.

Contributor guide

Research direction
Study the rusqlite prepare cached API and implement it in the Turso Rust SDK, ensuring compatibility with multi threading.
Tech stack
rust
Domain
database
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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
RustSQLite
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65