fn union_row_selections(
left: &[RowSelector],
right: &[RowSelector],
) -> RowSelectionExpand description
Combine two lists of RowSelector return the union of them
For example:
self: NNYYYYNNYYNYN
other: NYNNNNNNY
returned: NYYYYYNNYYNYN
This can be removed from here once RowSelection::union is in parquet::arrow