tethys.backend/app/Models/Description.ts

import { column, belongsTo } from '@adonisjs/lucid/orm';
import Dataset from './Dataset.js';
import BaseModel from './BaseModel.js';
import type { BelongsTo } from "@adonisjs/lucid/types/relations";

export default class Description extends BaseModel {
    public static primaryKey = 'id';
    public static table = 'dataset_abstracts';
    public static selfAssignPrimaryKey = false;
    public static timestamps = false;
    public static fillable: string[] = ['value', 'type', 'language'];

    @column({
        isPrimary: true,
    })
    public id: number;
    
    @column({})
    public document_id: number;

    @column()
    public type: string;

    @column()
    public value: string;

    @column()
    public language: string;

    @belongsTo(() => Dataset, {
        foreignKey: 'document_id',
    })
    public dataset: BelongsTo<typeof Dataset>;
}