Module text 

Full-text search using tantivy.

Provides BM25-based text search that integrates with VectorStore for hybrid (vector + text) search capabilities.

Structs

HybridResult

Result from hybrid search with separate keyword and semantic scores.

TextIndex

Full-text search index backed by tantivy.

TextSearchConfig

Configuration for text search functionality.

Constants

DEFAULT_RRF_K

Default RRF constant (k=60 per Cormack et al. 2009).

Functions

reciprocal_rank_fusion

Reciprocal Rank Fusion for combining vector and text search results.

weighted_reciprocal_rank_fusion

Weighted Reciprocal Rank Fusion for hybrid search with tunable balance.

weighted_reciprocal_rank_fusion_with_subscores

Weighted RRF with separate keyword and semantic scores returned.