Function resolve_node_ids

atomic-repository/src/query_plan.rs:381–390

Resolve a node_id that may be a `$variable` reference. If it starts with `$`, look up the binding and extract node IDs. Otherwise return it as-is.

(id: &str, bindings: &HashMap<String, Vec<KgNode>>)

/// If it starts with `$`, look up the binding and extract node IDs.
/// Otherwise return it as-is.
fn resolve_node_ids(id: &str, bindings: &HashMap<String, Vec<KgNode>>) -> Vec<String> {
    if let Some(var_name) = id.strip_prefix('$') {
        bindings
            .get(var_name)
            .map(|nodes| nodes.iter().map(|n| n.id.clone()).collect())
            .unwrap_or_default()
    } else {
        vec![id.to_string()]
    }
}

/// Resolve a source path that may be a `$variable` reference.
///