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Code Issues Releases Wiki Activity

Document and refine facet indexing algorithms

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Loïc Lecrenier 2022-09-07 16:44:08 +02:00 • committed by Loïc Lecrenier
parent bee3c23b45
commit 27454e9828
5 changed files with 387 additions and 291 deletions
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21
milli/src/heed_codec/facet/mod.rs
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@ -29,31 +29,14 @@ pub fn try_split_at(slice: &[u8], mid: usize) -> Option<(&[u8], &[u8])> {
}
}
/// The key in the [`facet_id_string_docids` and `facet_id_f64_docids`][`Index::facet_id_string_docids`]
/// databases.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub struct FacetGroupKey<T> {
pub field_id: u16,
pub level: u8,
pub left_bound: T,
}
impl<'a> FacetGroupKey<&'a [u8]> {
pub fn into_owned(self) -> FacetGroupKey<Vec<u8>> {
FacetGroupKey {
field_id: self.field_id,
level: self.level,
left_bound: self.left_bound.to_vec(),
}
}
}
impl<'a> FacetGroupKey<Vec<u8>> {
pub fn as_ref(&self) -> FacetGroupKey<&[u8]> {
FacetGroupKey {
field_id: self.field_id,
level: self.level,
left_bound: self.left_bound.as_slice(),
}
}
}
#[derive(Debug)]
pub struct FacetGroupValue {