Function resolve_binding

nodedb/src/engine/graph/pattern/executor/mod.rs:251–283

(
    binding: &NodeBinding,
    csr: &CsrIndex,
    row: &BindingRow,
    frontier_bitmap: Option<&nodedb_types::SurrogateBitmap>,
)

}

fn resolve_binding(
    binding: &NodeBinding,
    csr: &CsrIndex,
    row: &BindingRow,
    frontier_bitmap: Option<&nodedb_types::SurrogateBitmap>,
) -> Vec<u32> {
    if let Some(ref name) = binding.name
        && let Some(value) = row.get(name)
    {
        if let Some(id) = csr.node_id_raw(value) {
            // Check label constraint if specified.
            if let Some(ref label) = binding.label
                && !csr.node_has_label(id, label)
            {
                return Vec::new();
            }
            return vec![id];
        }
        return Vec::new();
    }
    // No binding yet — enumerate all nodes, filtering by label and bitmap.
    let all = 0..csr.node_count() as u32;
    all.filter(|&id| {
        let label_ok = binding
            .label
            .as_ref()
            .is_none_or(|l| csr.node_has_label(id, l));
        let bitmap_ok = frontier_bitmap
            .is_none_or(|bm| bm.contains(nodedb_types::Surrogate::new(csr.node_surrogate_raw(id))));
        label_ok && bitmap_ok
    })
    .collect()
}

fn binding_compatible(
    binding: &NodeBinding,