advanced-full-text-search

LIKE with wildcards can't use indexes. Full-text search with tsvector is orders of magnitude faster.

Skills
Databases
1

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/advanced-full-text-search && curl -fsSL https://doutorai.pt/data/lib/skills__advanced-full-text-search.md -o .claude/skills/advanced-full-text-search/SKILL.md

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

Content

---
title: Use tsvector for Full-Text Search
impact: MEDIUM
impactDescription: 100x faster than LIKE, with ranking support
tags: full-text-search, tsvector, gin, search
---

## Use tsvector for Full-Text Search

LIKE with wildcards can't use indexes. Full-text search with tsvector is orders of magnitude faster.

**Incorrect (LIKE pattern matching):**

```sql
-- Cannot use index, scans all rows
select * from articles where content like '%postgresql%';

-- Case-insensitive makes it worse
select * from articles where lower(content) like '%postgresql%';
```

**Correct (full-text search with tsvect

- 🔒 Full content on the Pro plan (€7.99/month) -

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