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Make facet string iterator non reducing

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many 2021-08-12 17:23:39 +02:00
parent 8fdf860c17
commit 7dbefae1e3
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1 changed files with 14 additions and 3 deletions
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17
milli/src/search/facet/facet_string.rs
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@ -289,6 +289,7 @@ pub struct FacetStringIter<'t> {
field_id: FieldId,
level_iters:
Vec<(RoaringBitmap, Either<FacetStringGroupRange<'t>, FacetStringLevelZeroRange<'t>>)>,
must_reduce: bool,
}
impl<'t> FacetStringIter<'t> {
@ -318,7 +319,13 @@ impl<'t> FacetStringIter<'t> {
)?),
};
Ok(FacetStringIter { rtxn, db, field_id, level_iters: vec![(documents_ids, highest_iter)] })
Ok(FacetStringIter {
rtxn,
db,
field_id,
level_iters: vec![(documents_ids, highest_iter)],
must_reduce: false,
})
}
fn highest_level<X, Y>(
@ -348,7 +355,9 @@ impl<'t> Iterator for FacetStringIter<'t> {
Ok(((level, left, right), (string_bounds, mut docids))) => {
docids &= &*documents_ids;
if !docids.is_empty() {
*documents_ids -= &docids;
if self.must_reduce {
*documents_ids -= &docids;
}
let result = match string_bounds {
Some((left, right)) => FacetStringLevelZeroRange::new(
@ -390,7 +399,9 @@ impl<'t> Iterator for FacetStringIter<'t> {
Ok((normalized, original, mut docids)) => {
docids &= &*documents_ids;
if !docids.is_empty() {
*documents_ids -= &docids;
if self.must_reduce {
*documents_ids -= &docids;
}
return Some(Ok((normalized, original, docids)));
}
}