Add arguments

src/datasources/sql/products-sql.ts

@@ -1,9 +1,11 @@
+import { Maybe } from '../types';
+
 // Get syntax highlighting with vscode by installing "Comment tagged templates2
 
 export function products(
-  visible: boolean | null,
-  browsable: boolean | null,
   limit: number = 100,
+  visible: Maybe<boolean>,
+  browsable: Maybe<boolean>,
 ) {
   const query = /* sql */ `
 
@@ -55,7 +57,6 @@ export function products(
   AND products.browsable = ${browsable ? '1' : '0'}`
       : ``
   }
-GROUP BY products.productid
 LIMIT ${limit}
 `;