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use std::collections::HashMap;
use std::path::PathBuf;
use common::types::{PointOffsetType, ScoredPointOffset, TelemetryDetail};
use half::f16;
use sparse::common::types::{DimId, QuantizedU8};
use sparse::index::inverted_index::inverted_index_compressed_immutable_ram::InvertedIndexCompressedImmutableRam;
use sparse::index::inverted_index::inverted_index_compressed_mmap::InvertedIndexCompressedMmap;
use sparse::index::inverted_index::inverted_index_immutable_ram::InvertedIndexImmutableRam;
use sparse::index::inverted_index::inverted_index_mmap::InvertedIndexMmap;
use sparse::index::inverted_index::inverted_index_ram::InvertedIndexRam;
use super::hnsw_index::graph_links::{GraphLinksMmap, GraphLinksRam};
use super::hnsw_index::hnsw::HNSWIndex;
use super::plain_payload_index::PlainIndex;
use super::sparse_index::sparse_vector_index::SparseVectorIndex;
use crate::common::operation_error::OperationResult;
use crate::data_types::query_context::VectorQueryContext;
use crate::data_types::vectors::{QueryVector, VectorRef};
use crate::telemetry::VectorIndexSearchesTelemetry;
use crate::types::{Filter, SearchParams};
/// Trait for vector searching
pub trait VectorIndex {
/// Return list of Ids with fitting
fn search(
&self,
vectors: &[&QueryVector],
filter: Option<&Filter>,
top: usize,
params: Option<&SearchParams>,
query_context: &VectorQueryContext,
) -> OperationResult<Vec<Vec<ScoredPointOffset>>>;
fn get_telemetry_data(&self, detail: TelemetryDetail) -> VectorIndexSearchesTelemetry;
fn files(&self) -> Vec<PathBuf>;
/// The number of indexed vectors, currently accessible
fn indexed_vector_count(&self) -> usize;
/// Update index for a single vector
///
/// # Arguments
/// - `id` - sequential vector id, offset in the vector storage
/// - `vector` - new vector value,
/// if None - vector will be removed from the index marked as deleted in storage.
/// Note: inserting None vector is not equal to removing vector from the storage.
/// Unlike removing, it will always result in storage growth.
/// Proper removing should be performed by the optimizer.
fn update_vector(
&mut self,
id: PointOffsetType,
vector: Option<VectorRef>,
) -> OperationResult<()>;
}
#[derive(Debug)]
pub enum VectorIndexEnum {
Plain(PlainIndex),
HnswRam(HNSWIndex<GraphLinksRam>),
HnswMmap(HNSWIndex<GraphLinksMmap>),
SparseRam(SparseVectorIndex<InvertedIndexRam>),
SparseImmutableRam(SparseVectorIndex<InvertedIndexImmutableRam>),
SparseMmap(SparseVectorIndex<InvertedIndexMmap>),
SparseCompressedImmutableRamF32(SparseVectorIndex<InvertedIndexCompressedImmutableRam<f32>>),
SparseCompressedImmutableRamF16(SparseVectorIndex<InvertedIndexCompressedImmutableRam<f16>>),
SparseCompressedImmutableRamU8(
SparseVectorIndex<InvertedIndexCompressedImmutableRam<QuantizedU8>>,
),
SparseCompressedMmapF32(SparseVectorIndex<InvertedIndexCompressedMmap<f32>>),
SparseCompressedMmapF16(SparseVectorIndex<InvertedIndexCompressedMmap<f16>>),
SparseCompressedMmapU8(SparseVectorIndex<InvertedIndexCompressedMmap<QuantizedU8>>),
}
impl VectorIndexEnum {
pub fn is_index(&self) -> bool {
match self {
Self::Plain(_) => false,
Self::HnswRam(_) => true,
Self::HnswMmap(_) => true,
Self::SparseRam(_) => true,
Self::SparseImmutableRam(_) => true,
Self::SparseMmap(_) => true,
Self::SparseCompressedImmutableRamF32(_) => true,
Self::SparseCompressedImmutableRamF16(_) => true,
Self::SparseCompressedImmutableRamU8(_) => true,
Self::SparseCompressedMmapF32(_) => true,
Self::SparseCompressedMmapF16(_) => true,
Self::SparseCompressedMmapU8(_) => true,
}
}
pub fn fill_idf_statistics(&self, idf: &mut HashMap<DimId, usize>) {
match self {
Self::Plain(_) | Self::HnswRam(_) | Self::HnswMmap(_) => (),
Self::SparseRam(index) => index.fill_idf_statistics(idf),
Self::SparseImmutableRam(index) => index.fill_idf_statistics(idf),
Self::SparseMmap(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedImmutableRamF32(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedImmutableRamF16(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedImmutableRamU8(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedMmapF32(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedMmapF16(index) => index.fill_idf_statistics(idf),
Self::SparseCompressedMmapU8(index) => index.fill_idf_statistics(idf),
}
}
}
impl VectorIndex for VectorIndexEnum {
fn search(
&self,
vectors: &[&QueryVector],
filter: Option<&Filter>,
top: usize,
params: Option<&SearchParams>,
query_context: &VectorQueryContext,
) -> OperationResult<Vec<Vec<ScoredPointOffset>>> {
match self {
VectorIndexEnum::Plain(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::HnswRam(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::HnswMmap(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseRam(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseImmutableRam(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseMmap(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedImmutableRamF32(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedImmutableRamF16(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedImmutableRamU8(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedMmapF32(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedMmapF16(index) => {
index.search(vectors, filter, top, params, query_context)
}
VectorIndexEnum::SparseCompressedMmapU8(index) => {
index.search(vectors, filter, top, params, query_context)
}
}
}
fn get_telemetry_data(&self, detail: TelemetryDetail) -> VectorIndexSearchesTelemetry {
match self {
VectorIndexEnum::Plain(index) => index.get_telemetry_data(detail),
VectorIndexEnum::HnswRam(index) => index.get_telemetry_data(detail),
VectorIndexEnum::HnswMmap(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseRam(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseImmutableRam(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseMmap(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseCompressedImmutableRamF32(index) => {
index.get_telemetry_data(detail)
}
VectorIndexEnum::SparseCompressedImmutableRamF16(index) => {
index.get_telemetry_data(detail)
}
VectorIndexEnum::SparseCompressedImmutableRamU8(index) => {
index.get_telemetry_data(detail)
}
VectorIndexEnum::SparseCompressedMmapF32(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseCompressedMmapF16(index) => index.get_telemetry_data(detail),
VectorIndexEnum::SparseCompressedMmapU8(index) => index.get_telemetry_data(detail),
}
}
fn files(&self) -> Vec<PathBuf> {
match self {
VectorIndexEnum::Plain(index) => index.files(),
VectorIndexEnum::HnswRam(index) => index.files(),
VectorIndexEnum::HnswMmap(index) => index.files(),
VectorIndexEnum::SparseRam(index) => index.files(),
VectorIndexEnum::SparseImmutableRam(index) => index.files(),
VectorIndexEnum::SparseMmap(index) => index.files(),
VectorIndexEnum::SparseCompressedImmutableRamF32(index) => index.files(),
VectorIndexEnum::SparseCompressedImmutableRamF16(index) => index.files(),
VectorIndexEnum::SparseCompressedImmutableRamU8(index) => index.files(),
VectorIndexEnum::SparseCompressedMmapF32(index) => index.files(),
VectorIndexEnum::SparseCompressedMmapF16(index) => index.files(),
VectorIndexEnum::SparseCompressedMmapU8(index) => index.files(),
}
}
fn indexed_vector_count(&self) -> usize {
match self {
Self::Plain(index) => index.indexed_vector_count(),
Self::HnswRam(index) => index.indexed_vector_count(),
Self::HnswMmap(index) => index.indexed_vector_count(),
Self::SparseRam(index) => index.indexed_vector_count(),
Self::SparseImmutableRam(index) => index.indexed_vector_count(),
Self::SparseMmap(index) => index.indexed_vector_count(),
Self::SparseCompressedImmutableRamF32(index) => index.indexed_vector_count(),
Self::SparseCompressedImmutableRamF16(index) => index.indexed_vector_count(),
Self::SparseCompressedImmutableRamU8(index) => index.indexed_vector_count(),
Self::SparseCompressedMmapF32(index) => index.indexed_vector_count(),
Self::SparseCompressedMmapF16(index) => index.indexed_vector_count(),
Self::SparseCompressedMmapU8(index) => index.indexed_vector_count(),
}
}
fn update_vector(
&mut self,
id: PointOffsetType,
vector: Option<VectorRef>,
) -> OperationResult<()> {
match self {
Self::Plain(index) => index.update_vector(id, vector),
Self::HnswRam(index) => index.update_vector(id, vector),
Self::HnswMmap(index) => index.update_vector(id, vector),
Self::SparseRam(index) => index.update_vector(id, vector),
Self::SparseImmutableRam(index) => index.update_vector(id, vector),
Self::SparseMmap(index) => index.update_vector(id, vector),
Self::SparseCompressedImmutableRamF32(index) => index.update_vector(id, vector),
Self::SparseCompressedImmutableRamF16(index) => index.update_vector(id, vector),
Self::SparseCompressedImmutableRamU8(index) => index.update_vector(id, vector),
Self::SparseCompressedMmapF32(index) => index.update_vector(id, vector),
Self::SparseCompressedMmapF16(index) => index.update_vector(id, vector),
Self::SparseCompressedMmapU8(index) => index.update_vector(id, vector),
}
}
}
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