Diesel Enum Derive Macro

Overview

A Rust procedural macro library that provides custom derive macros FromSqlDerive and ToSqlDerive for seamless PostgreSQL enum serialization and deserialization with Diesel ORM.

Features

Automatically implement FromSql and ToSql traits for PostgreSQL enum types
Simple attribute-based configuration
Works with unit variants of enums
Supports custom SQL type specification

Installation

Add to your Cargo.toml:

[dependencies]
diesel-enum-sqltype = "0.1.6"
diesel = { version = "x.x.x", features = ["postgres"] }

Usage

#[derive(FromSqlDerive, ToSqlDerive)]
#[diesel(sql_type = "PaymentTypeT")] //imported from schema.rs
enum PaymentType {
    Card,
    Bank,
    Wire,
}

Limitations

Only supports enums with unit variants
Requires explicit sql_type attribute

License

MIT

Contributing

Contributions welcome! Please open an issue or submit a pull request.

diesel-enum-sqltype 0.1.7