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Use the FacetRange iterator in the facet exploring function

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Clément Renault 2020-12-02 11:25:40 +01:00
parent 0959e1501f
commit 13217f072b
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1 changed files with 3 additions and 20 deletions
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23
src/search/facet/facet_condition.rs
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@ -16,8 +16,9 @@ use crate::heed_codec::facet::FacetValueStringCodec;
use crate::heed_codec::facet::{FacetLevelValueI64Codec, FacetLevelValueF64Codec};
use crate::{Index, FieldId, FieldsIdsMap, CboRoaringBitmapCodec};
use super::parser::{PREC_CLIMBER, FilterParser};
use super::FacetRange;
use super::parser::Rule;
use super::parser::{PREC_CLIMBER, FilterParser};
use self::FacetCondition::*;
use self::FacetNumberOperator::*;
@ -379,25 +380,7 @@ impl FacetCondition {
// We must create a custom iterator to be able to iterate over the
// requested range as the range iterator cannot express some conditions.
let left_bound = match left {
Included(left) => Included((field_id, level, left, T::min_value())),
Excluded(left) => Excluded((field_id, level, left, T::min_value())),
Unbounded => Unbounded,
};
let right_bound = Included((field_id, level, T::max_value(), T::max_value()));
// We also make sure that we don't decode the data before we are sure we must return it.
let iter = db
.remap_key_type::<KC>()
.lazily_decode_data()
.range(rtxn, &(left_bound, right_bound))?
.take_while(|r| r.as_ref().map_or(true, |((.., r), _)| {
match right {
Included(right) => *r <= right,
Excluded(right) => *r < right,
Unbounded => true,
}
}))
.map(|r| r.and_then(|(key, lazy)| lazy.decode().map(|data| (key, data))));
let iter = FacetRange::new(rtxn, db.remap_key_type::<KC>(), field_id, level, left, right)?;
debug!("Iterating between {:?} and {:?} (level {})", left, right, level);