Trait Derive 

pub trait Derive: Sized + Schema {
    // Required methods
    fn exhaust() -> Vec<Self>;
    fn inserts(&self) -> String;

    // Provided method
    fn derives() -> String { ... }
}

Derived table generation from enumerable domain values.

For tables whose contents can be exhaustively enumerated at runtime (e.g., street configurations, abstraction definitions), this trait generates INSERT statements programmatically.

Usage

Implement exhaust to enumerate all valid values, and inserts to format each as an INSERT statement. The derives method combines these into a single SQL batch.

Contrast with Streamable

Use Derive for small, enumerable tables where INSERT is sufficient. Use Streamable for large datasets requiring binary COPY performance.

Required Methods

fn exhaust() -> Vec<Self>

Enumerates all values that should be inserted into the table.

fn inserts(&self) -> String

Formats this value as an INSERT statement.

Provided Methods

fn derives() -> String

Generates a batch of INSERT statements for all enumerated values.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl Derive for Street

fn exhaust() -> Vec<Self>

fn inserts(&self) -> String

impl Derive for Abstraction

fn exhaust() -> Vec<Self>

fn inserts(&self) -> String

Implementors