bootrust

An elegant, macro-free Data Access Layer abstraction — a simple and easy-to-use ORM powered by Serde.

Features

Macro-Free Design: No need to define any macros or annotations for entities, keeping your code clean and simple.
Serde Support: Leverages Serde for seamless serialization and deserialization.
Dependency Injection: Switch database backends simply by changing dependencies in Cargo.toml, with no changes needed in business logic.
Flexible Extension: Customizable entity_to_map and row_to_entity functions to handle special type mappings.

Installation

Add the following to your project's Cargo.toml:

[dependencies]
bootrust = { version = "0.1", features = ["sqlite_async"] }  # Core BOOTrust library with async sqlite support

Quick Start

# Run the simple example with SQLite backend
cargo run --example simple_example --features=sqlite_async

Type Mapping

Rust Type	Example DB Types	Serde Conversion	Notes
`String`	PostgreSQL: `TEXT`MySQL: `TEXT`SQLite: `TEXT`	Built-in	Text type
`i32`	PostgreSQL: `INTEGER`MySQL: `INT`SQLite: `INTEGER`	Built-in	32-bit integer
`i64`	PostgreSQL: `BIGINT`MySQL: `BIGINT`SQLite: `INTEGER`	Built-in	64-bit integer; all SQLite integers are stored as `INTEGER`
`Vec<T>`	PostgreSQL: `BYTEA`MySQL: `BLOB`SQLite: `BLOB`	Built-in	Binary data
`Option<T>`	Same as type `T`, but allows `NULL`	Built-in	Optional value
`DateTime<Utc>`	PostgreSQL: `BIGINT`MySQL: `BIGINT`SQLite: `TEXT` / `INTEGER`	`#[serde(with = "chrono::serde::ts_seconds")]`	- MySQL: only supports integer (Unix timestamp) format.- PostgreSQL & SQLite: supports both ISO-8601 text and integer with Serde attributes.

Notes:

Due to Rust's orphan rule, this crate cannot provide a custom Serde implementation for chrono::DateTime. If you cannot change the database column type (e.g., for existing tables), you must manually define the mapping between DateTime<Utc> and Value::DateTime in entity_to_map / row_to_entity.

The MySQL driver does not support serializing DateTime<Utc> as TEXT; it only supports integer mappings.

PostgreSQL has limited support for null types, only allowing empty values for TEXT.

Switching Database

Just swap the feature flag in Cargo.toml to switch database backends.

Note: Ensure that your runtime and async driver dependencies are compatible.

[dependencies]
bootrust = { version = "0.1", features = ["postgresql_async"] }
# bootrust = { version = "0.1", features = ["mysql_async"] }

No changes to your business logic are needed—just rebuild with cargo build.

Docs & Contributing

Online Docs: https://docs.rs/bootrust
Issues & PRs: https://github.com/tianzeshi-study/bootrust

License

This project is licensed under the MIT license.

bootrust 0.1.0