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Compute an exact count when using distinct

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This commit is contained in:
ManyTheFish
2022-07-18 16:52:45 +02:00
parent a396806343
commit d71bc1e69f
5 changed files with 72 additions and 25 deletions
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15
milli/src/search/criteria/mod.rs
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@ -13,7 +13,7 @@ use self::typo::Typo;
use self::words::Words;
use super::query_tree::{Operation, PrimitiveQueryPart, Query, QueryKind};
use crate::search::criteria::geo::Geo;
use crate::search::{word_derivations, WordDerivationsCache};
use crate::search::{word_derivations, Distinct, WordDerivationsCache};
use crate::{AscDesc as AscDescName, DocumentId, FieldId, Index, Member, Result};
mod asc_desc;
@ -226,21 +226,26 @@ impl<'t> CriteriaBuilder<'t> {
Ok(Self { rtxn, index, words_fst, words_prefixes_fst })
}
pub fn build(
pub fn build<D: 't + Distinct>(
&'t self,
query_tree: Option<Operation>,
primitive_query: Option<Vec<PrimitiveQueryPart>>,
filtered_candidates: Option<RoaringBitmap>,
sort_criteria: Option<Vec<AscDescName>>,
exhaustive_number_hits: bool,
distinct: Option<D>,
) -> Result<Final<'t>> {
use crate::criterion::Criterion as Name;
let primitive_query = primitive_query.unwrap_or_default();
let mut criterion =
Box::new(Initial::new(self, query_tree, filtered_candidates, exhaustive_number_hits))
as Box<dyn Criterion>;
let mut criterion = Box::new(Initial::new(
self,
query_tree,
filtered_candidates,
exhaustive_number_hits,
distinct,
)) as Box<dyn Criterion>;
for name in self.index.criteria(&self.rtxn)? {
criterion = match name {
Name::Words => Box::new(Words::new(self, criterion)),