Detecting Full Table Scans With SQLite🔒 SSL Verified

Table of Contents

• ↓ Rewrite in Rust?
• ↓ Installing code without eval’ing
• ↓ What uv drops
• ↓ Optimizations that don’t need Rust
• ↓ Where Rust actually matters
• ↓ Wrapping this up
• ↓ Top Alternatives to tenderlovemaking.com

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"I recently read that lobste.rs is now running on SQLite. One part from the post caught my attention:"

"I wish we could say in a test, “Fail if you encounter any full table scans”. Which would have caught the perf issues we experienced during the first deploy."

"SQLite collects information about prepared statements and exposes those statistics though an API. The upshot of this is that we can tell whether a statement did a full table scan after executing the statement without using an EXPLAIN."

"Here’s an example program that demonstrates detecting a query did a full table scan:"

Key Topics & Focus Areas for tenderlovemaking.com:

Rewrite in Rust?

Installing code without eval’ing

What uv drops

Optimizations that don’t need Rust

Where Rust actually matters

Wrapping this up