Gets a sorted unique list of values for a column from visible rows. Only returns the visible values (e.g., if another filter has been applied, the filtered out results won't be included here).
The column to get values from
The table instance
A sorted array of unique values
Gets a sorted unique list of values for a column from visible rows. Only returns the visible values (e.g., if another filter has been applied, the filtered out results won't be included here).