sqlite-on-the-ui-thread

Installation
SKILL.md

SQLite on the UI Thread

SQLite is a lot faster than you may realize. In Flutter for example there is driftsqlite_async and sqflite which allow for async access of data. But with sqlite3 you can query with sync functions! 🤯

Here is a list view where there are 10000 items and each item is retrieved with a select statement 👀

Source: https://gist.github.com/rodydavis/4a6dca4a2e1afc530ac93e94a76a594a

SQLite, when used effectively, can be a powerful asset for UI-driven applications. Operating within the same process and thread as the UI, it offers a seamless integration that can significantly improve component building.

Async/await does not mean you will be building the most performant applications, and in some cases will incur a performance penalty.

Even with extensive datasets, SQLite demonstrates remarkable efficiency. Its ability to handle millions of rows without compromising speed is a testament to its robust architecture. Contrary to the misconception of being solely a background-thread database, SQLite functions as a process-level library, akin to any other C-based library.

By strategically employing indexes and queries, developers can achieve nanosecond response times and mitigate N+1 query issues. The judicious use of views, indexes, and virtual tables is paramount in optimizing performance.

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First Seen
Feb 4, 2026