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feat(index): add IVF_RQ index type (#2687)

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this expose IVF_RQ (RabitQ quantization) index type to lancedb

---------

Signed-off-by: BubbleCal <bubble-cal@outlook.com>
This commit is contained in:
BubbleCal
2025-10-09 15:46:18 +08:00
committed by GitHub
parent 56a16b1728
commit b59d1007d3
14 changed files with 361 additions and 13 deletions
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31
nodejs/src/index.rs
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@@ -6,6 +6,7 @@ use std::sync::Mutex;
use lancedb::index::scalar::{BTreeIndexBuilder, FtsIndexBuilder};
use lancedb::index::vector::{
IvfFlatIndexBuilder, IvfHnswPqIndexBuilder, IvfHnswSqIndexBuilder, IvfPqIndexBuilder,
IvfRqIndexBuilder,
};
use lancedb::index::Index as LanceDbIndex;
use napi_derive::napi;
@@ -65,6 +66,36 @@ impl Index {
})
}
#[napi(factory)]
pub fn ivf_rq(
distance_type: Option<String>,
num_partitions: Option<u32>,
num_bits: Option<u32>,
max_iterations: Option<u32>,
sample_rate: Option<u32>,
) -> napi::Result<Self> {
let mut ivf_rq_builder = IvfRqIndexBuilder::default();
if let Some(distance_type) = distance_type {
let distance_type = parse_distance_type(distance_type)?;
ivf_rq_builder = ivf_rq_builder.distance_type(distance_type);
}
if let Some(num_partitions) = num_partitions {
ivf_rq_builder = ivf_rq_builder.num_partitions(num_partitions);
}
if let Some(num_bits) = num_bits {
ivf_rq_builder = ivf_rq_builder.num_bits(num_bits);
}
if let Some(max_iterations) = max_iterations {
ivf_rq_builder = ivf_rq_builder.max_iterations(max_iterations);
}
if let Some(sample_rate) = sample_rate {
ivf_rq_builder = ivf_rq_builder.sample_rate(sample_rate);
}
Ok(Self {
inner: Mutex::new(Some(LanceDbIndex::IvfRq(ivf_rq_builder))),
})
}
#[napi(factory)]
pub fn ivf_flat(
distance_type: Option<String>,