Crate dbent

dbent - database entity types

Provides types for defining simple database entities and relationships in structs for when you don’t want to use an ORM but still want to organize your code in an object-oriented manner.

Usage

This crate is on crates.io and can be used by adding dbent to your dependencies in your project’s Cargo.toml.

[dependencies]
dbent = "0.1.0"

Features

The following features are supported:

• default: enables serde and derive features by default
• serde: for serde serialization
• rusqlite: for rusqlite ToSql and FromSql implementations for the Key type
• derive: for the derive macros Entity and Label

Example

This was used for the world-tables app in the world-tables-base.

License

Licensed under either of Apache License, Version 2.0 or MIT License at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in dbent by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Modules

• prelude
  Convenience re-export of common members

Structs

• Key
  A newtype for defining a Key on entities
• Tag
  Struct that holds both key and label for convenience

Enums

• Entity
  Enum for defining a simple entity that will hold a Key or the created/fetched data
• EntityLabel
  Enum for situations when you want to define not just a Key but also a Label
• Error
  The error type for all errors in this crate
• Many
  Enum for defining one-to-many or many-to-many relationships

Traits

• Keyed
  Trait for entities to define which struct field holds their primary key
• Label
  Trait for entities that optionally have a label defined
• Tagged
  Convenience trait for returning both key and label as a Tag

Type Definitions

• EntityInt
  An Entity that has an Int as key
• EntityLabelInt
  An EntityLabel that has an Int as key
• EntityLabelString
  An EntityLabel that has a String as key
• EntityString
  An Entity that has a String as key
• Int
  An Int typedef for convenience to be used as Key number
• Result
  The result typedef for this crate for convenience