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🐷🗄️ A fused-effects adapter for squeal-postgresql.
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README.md

fused-effects-squeal Hackage

This is an overview of the way this library works. If you would like to learn how Squeal itself works you should head to the morphismtech/squeal repository.

Usage

There are two sepaeate effects with corresponding carriers: Squeal (with SquealC) and SquealPool (with SquealPoolC).

Squeal mimics the functions from MonadPQ (from squeal-postgresql) and represnts the "inside a transaction" effect.

You can run it directly with runSquealWithConn family of functions, but you probably want to use a connection pool.

SquealPool allows you to call runSqueal function, which picks a connection from the connection pool and runs the Squeal effect.