postgres

Build type-safe PostgreSQL queries and manage connections with PostgresNIO in Swift.

62|5|Updated Jan 21, 2026

Search Tags:#postgresql #swift #connection-pooling #prepared-statements #postgres-nio #typed-queries #bulk-loading

Ready to run

npx skills add https://github.com/Joannis/claude-skills --skill postgres-joannis

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: postgres
Source: https://github.com/Joannis/claude-skills/tree/main/postgres
Command: npx skills add https://github.com/Joannis/claude-skills --skill postgres-joannis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill provides expert guidance on using PostgreSQL with Swift to build reliable data-backed applications.

Core Features & Use Cases

Type-safe queries and query building: Leverages postgres-nio to compose safe SQL and map results to Swift types.
Connection pooling, transactions, and bulk loading: Covers managing connections efficiently, performing transactions, and large data imports with COPY FROM.
Use Case: Imagine a Swift server app that handles high-concurrency user data and requires robust error handling, type-safe row decoding, and bulk data ingestion.

Quick Start

Configure a Swift package to depend on PostgresNIO and establish a connection to a PostgreSQL database, then run a sample query to validate setup.

Frequently Asked Questions about postgres

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I connect to PostgreSQL from a Swift backend application?▼

To connect to PostgreSQL from Swift, configure a Swift package to depend on PostgresNIO, establish a connection to your database, and run a sample query to validate the setup. This enables reliable, type-safe data access for server-side apps.

What's the best way to handle connection pooling and transactions with postgres-nio?▼

For connection pooling and transactions with postgres-nio, manage connections efficiently to handle high concurrency and perform robust transaction handling. This ensures reliable data operations and proper error mapping in Swift backend apps.

Can I perform bulk data loading into PostgreSQL using Swift?▼

Yes, you can perform bulk data loading into PostgreSQL using Swift by leveraging the COPY FROM command. This approach enables large data imports efficiently, which is ideal for high-volume data ingestion in server-side Swift applications.

How do I build type-safe queries and map PostgreSQL results to Swift types?▼

You build type-safe queries and map PostgreSQL results to Swift types by leveraging postgres-nio to compose safe SQL and decode rows directly to Swift types, ensuring robust, type-safe data interactions in your backend application.

Does this PostgreSQL Swift guidance cover error mapping and prepared statements?▼

Yes, this PostgreSQL Swift guidance covers robust error mapping and the use of prepared statements. It provides expert patterns for composing safe SQL, ensuring reliable data-backed applications with proper error handling and secure query execution.

When do I need postgres-nio for a Swift server app?▼

You need postgres-nio for a Swift server app when handling high-concurrency user data that requires robust error handling, type-safe row decoding, efficient connection pooling, and large data ingestion via COPY FROM bulk loading.