Method min_values

datafusion/common/src/pruning.rs:245–256

(&self, column: &Column)

#[expect(deprecated)]
impl PruningStatistics for PartitionPruningStatistics {
    fn min_values(&self, column: &Column) -> Option<ArrayRef> {
        let index = self.partition_schema.index_of(column.name()).ok()?;
        self.partition_values.get(index).and_then(|v| {
            if v.is_empty() || v.null_count() == v.len() {
                // If the array is empty or all nulls, return None
                None
            } else {
                // Otherwise, return the array as is
                Some(Arc::clone(v))
            }
        })
    }

    fn max_values(&self, column: &Column) -> Option<ArrayRef> {
        self.min_values(column)