Method add_index

nodedb-vector/src/collection/payload_index.rs:261–266

Register a new field index. Idempotent — safe to call multiple times for the same field (subsequent calls are no-ops).

(&mut self, field: impl Into<String>, kind: PayloadIndexKind)

    /// Register a new field index. Idempotent — safe to call multiple times for
    /// the same field (subsequent calls are no-ops).
    pub fn add_index(&mut self, field: impl Into<String>, kind: PayloadIndexKind) {
        let field = field.into();
        self.indexes
            .entry(field.clone())
            .or_insert_with(|| PayloadIndex::new(field, kind));
    }

    /// Returns `true` if any index is registered.
    pub fn is_empty(&self) -> bool {