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Rewrite the CONTAINS filter with the MultiOps trait

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Kerollmops 2023-05-16 11:06:25 +02:00
parent d0ce1453a6
commit 50629cf735
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1 changed files with 11 additions and 10 deletions
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21
milli/src/search/facet/filter.rs
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@ -304,18 +304,19 @@ impl<'a> Filter<'a> {
Condition::Contains(val) => {
let finder = Finder::new(val.value());
let base = FacetGroupKey { field_id, level: 0, left_bound: "" };
// TODO use the roaring::MultiOps trait
let mut docids = RoaringBitmap::new();
for result in strings_db
let docids = strings_db
.prefix_iter(rtxn, &base)?
.remap_data_type::<LazyDecode<FacetGroupValueCodec>>()
{
let (FacetGroupKey { left_bound, .. }, lazy_group_value) = result?;
if finder.find(left_bound.as_bytes()).is_some() {
let FacetGroupValue { bitmap, .. } = lazy_group_value.decode()?;
docids |= bitmap;
}
}
.filter_map(|result| match result {
Ok((FacetGroupKey { left_bound, .. }, lazy_group_value)) => {
match finder.find(left_bound.as_bytes()) {
Some(_) => Some(lazy_group_value.decode().map(|gv| gv.bitmap)),
None => None,
}
}
Err(e) => Some(Err(e)),
})
.union()?;
return Ok(docids);
}