Derive Macro DeriveColumn 

#[derive(DeriveColumn)]
{
    // Attributes available to this derive:
    #[sea_orm]
}

The DeriveColumn derive macro will implement [ColumnTrait] for Columns. It defines the identifier of each column by implementing Iden and IdenStatic. The EnumIter is also derived, allowing iteration over all enum variants.

Usage

use sea_orm::entity::prelude::*;

#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
pub enum Column {
    CakeId,
    FillingId,
}