Function ceiling_x_values

nodedb-array/src/query/retention.rs:411–422

Collect coord x-values from a SparseTile (single-dim schema).

(tile: &SparseTile)

    /// Collect coord x-values from a SparseTile (single-dim schema).
    fn ceiling_x_values(tile: &SparseTile) -> Vec<i64> {
        let rows = decode_sparse_rows(tile).unwrap();
        let mut xs: Vec<i64> = rows
            .iter()
            .map(|r| match r.coord[0] {
                CoordValue::Int64(x) => x,
                _ => panic!("unexpected coord type"),
            })
            .collect();
        xs.sort_unstable();
        xs
    }

    /// Collect RowKinds from ceiling tile rows, keyed by coord.
    fn ceiling_kinds(tile: &SparseTile) -> HashMap<i64, RowKind> {