protected function getSegmentValuesFromVisitorLog($segmentName, $table)
{
// Cleanup data to return the top suggested (non empty) labels for this segment
$values = $table->getColumn($segmentName);
// Select also flattened keys (custom variables "page" scope, page URLs for one visit, page titles for one visit)
$valuesBis = $table->getColumnsStartingWith($segmentName . ColumnDelete::APPEND_TO_COLUMN_NAME_TO_KEEP);
$values = array_merge($values, $valuesBis);
return $values;
}