lock-skip-locked

When multiple workers process a queue, SKIP LOCKED allows workers to process different rows without waiting.

Skills
Databases
0

What it does and how to use it

A skill that teaches Claude Code to do databases tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/lock-skip-locked && curl -fsSL https://doutorai.pt/data/lib/skills__lock-skip-locked.md -o .claude/skills/lock-skip-locked/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
title: Use SKIP LOCKED for Non-Blocking Queue Processing
impact: MEDIUM-HIGH
impactDescription: 10x throughput for worker queues
tags: skip-locked, queue, workers, concurrency
---

## Use SKIP LOCKED for Non-Blocking Queue Processing

When multiple workers process a queue, SKIP LOCKED allows workers to process different rows without waiting.

**Incorrect (workers block each other):**

```sql
-- Worker 1 and Worker 2 both try to get next job
begin;
select * from jobs where status = 'pending' order by created_at limit 1 for update;
-- Worker 2 waits for Worker 1's lock to release!
```

**Cor

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