Exceeding query limit when filtering

Okay, to clarify; when I use dropdown1 to see the unique values in the selected fieldKey, i’m in fact only seeing the unique values within the first 1,000 lines, not the full 1,900.

Altering this bit is what I need to focus on?

 var query = wixData.query(collectionName);
 if (FilterKey) {
        query = query.eq(FilterKey, FilterValue);
    }
    query
        .limit(1000)
        .find()
        .then(results => {