backend/data/migrations/20200502193443_availability.js

exports.up = (knex) => {
	return knex.schema.createTable('availability', (table) => {
		table.increments('id').primary();
		table.uuid('participant_id').notNullable();
		table
			.foreign('participant_id')
			.references('participant.id')
			.onDelete('cascade');
		table.integer('possible_date_id').notNullable();
		table
			.foreign('possible_date_id')
			.references('possible_date.id')
			.onDelete('cascade');
		table.boolean('preference').notNullable();
		table.datetime('start_time').notNullable();
		table.datetime('end_time').notNullable();
		table.timestamps(true, true);
	});
};

exports.down = (knex) => {
	return knex.schema.dropTable('availability');
};