_user_id integer = null

	_user_id integer = null,
	_strain_id integer = null,
	_type product_type = null

		show = true

		show = true and
		(strain_id = _strain_id or _strain_id is null) and
		(type = _type or _type is null)

	description text,

		description,

			case 'products': {
				let s = Number(parameters && parameters.store);
				let params = [];

			case 'strains':

					data: (await pool.query(`select * from get_products(${Number.isInteger(s) ? '$' + params.push(s) : ''})`, params)).rows

					data: (await pool.query(`select strain_id as id, display_name as name from strain`)).rows

				break;
			case 'products': {
				let params = [];
				let qs = '';
				let s = Number(parameters && parameters.store);
				if(Number.isInteger(s)) {
					qs += `_store_id => $${params.push(s)},`;
				}
				let st = Number(parameters && parameters.strain_id);
				if(Number.isInteger(st)) {
					qs += `_strain_id => $${params.push(st)},`;
				}
				if(typeof parameters.type === 'string') {
					qs += `_type => $${params.push(parameters.type)},`;
				}
				// try {
					ws.send(JSON.stringify({
						response_ID: request_ID,
						data: (await pool.query(`select * from get_products(${qs.slice(0, -1)})`, params)).rows
					}));
				// } catch(e) {
				// 	ws.send(JSON.stringify({
				// 		response_ID: request_ID,
				// 		data: e.message//usually "invalid input value for enum product_type: "flo"". 
				// 	}));
				// }
/*
UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
[DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Uncomment when the future finally happens OR if we actually want to handle this. For now, it's harmless / won't happen.
*/