Method has_statistics

datafusion/datasource/src/mod.rs:351–363

Check if this file has any statistics. This returns `true` if the file has any Exact or Inexact statistics and `false` if all statistics are `Precision::Absent`.

(&self)

    /// This returns `true` if the file has any Exact or Inexact statistics
    /// and `false` if all statistics are `Precision::Absent`.
    pub fn has_statistics(&self) -> bool {
        if let Some(stats) = &self.statistics {
            stats.column_statistics.iter().any(|col_stats| {
                col_stats.null_count != Precision::Absent
                    || col_stats.max_value != Precision::Absent
                    || col_stats.min_value != Precision::Absent
                    || col_stats.sum_value != Precision::Absent
                    || col_stats.distinct_count != Precision::Absent
            })
        } else {
            false
        }
    }

    /// Set the known ordering of data in this file.
    ///