heydardsm

heydardsm / topn

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TopN is an open-source PostgreSQL extension that returns top values in database according to some criteria.

10
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100% credibility
Found Mar 18, 2026 at 10 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
PLpgSQL
AI Summary

TopN is an open-source PostgreSQL extension that enables efficient creation, updating, and querying of top-N rankings grouped by unique identifiers.

How It Works

1
🔍 Discover TopN

You learn about TopN, a handy tool that makes it easy to track and show top performers in your lists, like game scores or sales leaders.

2
⚙️ Set up TopN

You prepare and add TopN to your record-keeping system with straightforward steps anyone can follow.

3
📋 Create a ranking board

You make a new board for your event, like a tournament, by naming it and picking labels for groups and items.

4
➕ Add scores or counts

As things happen, you quickly log new scores or counts, and they automatically add up for each participant.

5
👀 View top rankings

You ask for the top 10 leaders (or however many you want) and see the list appear right away.

🏆 Leaderboards ready

Now you have speedy, reliable rankings that handle crowds of data and always show the best performers first.

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AI-Generated Review

What is topn?

Topn is an open-source PostgreSQL extension built with PLpgSQL and C that lets you track and query top values according to criteria in your database. It auto-creates tables grouping items by a unique ID like tournament or date, with keys like user or product IDs, and a score counter. You just call functions like topn_create_namespace to set it up, topn_add to increment scores, and topn to fetch the top N results fast—no complex queries needed.

Why is it gaining traction?

It stands out by simplifying leaderboards and rankings over raw window functions or external tools, with a dead-simple API for custom UID and key types like UUIDs or dates. Developers dig the O(log n) insert speed and index-backed top-N pulls that handle millions of rows without choking, making it topnotch for real-time topnews or topnamen 2025 tracking. Unlike topnet or topnanny hacks, it's baked into Postgres for zero-latency queries.

Who should use this?

Game backend devs building tournament leaderboards, e-commerce teams ranking topnails or product_sales per category, or analytics folks at topndt service gmbh monitoring topinambur metrics by date. Ideal for SaaS with per-tenant topnails mannheim stats or topnet trading gmbh volume leaders where you need quick increments and reads without full table scans.

Verdict

With just 10 stars and a 1.0% credibility score, topn feels early-stage—docs are solid, tests exist, but adoption is low, so test thoroughly in staging. Grab it if you need lightweight, Postgres-native top rankings now; otherwise, wait for more battle scars.

(198 words)

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