Function index_rows

nodedb-array/src/query/elementwise.rs:139–152

(tile: &SparseTile)

}

fn index_rows(tile: &SparseTile) -> BTreeMap<Vec<CoordKey>, Vec<CellValue>> {
    let mut out = BTreeMap::new();
    let n = tile.nnz() as usize;
    for row in 0..n {
        let coord: Vec<CoordValue> = tile
            .dim_dicts
            .iter()
            .map(|d| d.values[d.indices[row] as usize].clone())
            .collect();
        let attrs: Vec<CellValue> = tile.attr_cols.iter().map(|col| col[row].clone()).collect();
        out.insert(encode_key(&coord), attrs);
    }
    out
}

#[cfg(test)]
mod tests {