datafusion
datafusion copied to clipboard
Support `columns_sorted` in row_filters
Is your feature request related to a problem or challenge? Please describe what you are trying to do. Now
/// For a given set of `Column`s required for predicate `Expr` determine whether all
/// columns are sorted. Sorted columns may be queried more efficiently in the presence of
/// a PageIndex.
fn columns_sorted(_columns: &[usize], _metadata: &ParquetMetaData) -> Result<bool> {
// TODO How do we know this?
Ok(false)
}
I think we can set true with one col with pageIndex set ordered. 🤔
Describe the solution you'd like A clear and concise description of what you want to happen.
Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.
Additional context Add any other context or screenshots about the feature request here.