PL/Swift – PostgreSQL Functions in Swift

In plain words

PL/Swift enables developers to write custom SQL functions and types for PostgreSQL using the Swift programming language. It allows Swift code to run directly within the database server, extending PostgreSQL's functionality with Swift logic. The tool is designed for backend developers who want to use Swift beyond middleware and integrate it deeper into their database layer.

written from the facts on this page · September 2026

From the sources

PL/Swift allows you to write custom SQL functions and types for the PostgreSQL database server in the Swift programming language. Bringing Swift to the Backend of the Backend’s Backend! Lattner : My goal for Swift has always been and still is total world domination. It’s a modest goal. Of course the ARI would love to help Chris with his modest goal! Today most of the “Swift Server” efforts target “middleware” software and call that the “backend”. We thought we take Swift a step further, skip the database and make Swift feed the database itself. So indeed nothing less but: Bringing Swift to the Backend of the Backend’s Backend! Assume you have a Swift function which turns an integer into a…from alwaysrightinstitute.com

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