FacetAggregator: Facet Aggregator

In VectrixDB: Lightweight Vector Database with Embedded Machine Learning Models

Facet Aggregator

Description

Faceted search aggregator for computing aggregations/counts

Methods

Public methods

• FacetAggregator$aggregate()

• FacetAggregator$to_list()

• FacetAggregator$clone()

---

Method aggregate()

Aggregate facet values from documents

Usage

FacetAggregator$aggregate(documents, facet_configs)

Arguments

documents

List of documents with metadata

facet_configs

List of field names or FacetConfig objects

Returns

Named list mapping field names to FacetResult

---

Method to_list()

Convert facet results to list format

Usage

FacetAggregator$to_list(facet_results)

Arguments

facet_results

Named list of FacetResult objects

Returns

List format suitable for JSON

---

Method clone()

The objects of this class are cloneable with this method.

Usage

FacetAggregator$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

## Not run: 
aggregator <- FacetAggregator$new()
facets <- aggregator$aggregate(
  documents = list(
    list(category = "tech", author = "Alice"),
    list(category = "science", author = "Bob")
  ),
  facet_fields = c("category", "author")
)

## End(Not run)

VectrixDB documentation built on Feb. 20, 2026, 5:09 p.m.