function(collectionName, where, key, parentKey) {
        return sql.build(collectionName, where, sql.predicate, ' AND ', undefined, parentKey);
    }
function(collectionName, where, key, parentKey) {
        return sql.build(collectionName, where, sql.predicate, ' AND ', undefined, parentKey);
    }
function ( collectionName , where , key , parentKey ) { return sql . build ( collectionName , where , sql . predicate , ' AND ' , undefined , parentKey ) ; }
Starting point for predicate evaluation parentKey => if set, look for comparators and apply them to the parent key
Starting point for predicate evaluation parentKey = > if set look for comparators and apply them to the parent key