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Prevent the exactness ranking rule from removing random words

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Make it strictly follow the term matching strategy
This commit is contained in:
Loïc Lecrenier
2023-04-25 17:52:42 +02:00
parent d3a94e8b25
commit 3421125a55
3 changed files with 61 additions and 145 deletions
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11
milli/src/search/new/ranking_rule_graph/exactness/mod.rs
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@ -3,13 +3,14 @@ use roaring::RoaringBitmap;
use super::{ComputedCondition, RankingRuleGraphTrait};
use crate::search::new::interner::{DedupInterner, Interned};
use crate::search::new::query_term::{ExactTerm, LocatedQueryTermSubset};
use crate::search::new::resolve_query_graph::compute_query_term_subset_docids;
use crate::search::new::Word;
use crate::{Result, SearchContext};
#[derive(Clone, PartialEq, Eq, Hash)]
pub enum ExactnessCondition {
ExactInAttribute(LocatedQueryTermSubset),
Skip(LocatedQueryTermSubset),
Any(LocatedQueryTermSubset),
}
pub enum ExactnessGraph {}
@ -54,7 +55,11 @@ impl RankingRuleGraphTrait for ExactnessGraph {
end_term_subset.term_subset.make_mandatory();
(compute_docids(ctx, dest_node, universe)?, end_term_subset)
}
ExactnessCondition::Skip(dest_node) => (universe.clone(), dest_node.clone()),
ExactnessCondition::Any(dest_node) => {
let docids =
universe & compute_query_term_subset_docids(ctx, &dest_node.term_subset)?;
(docids, dest_node.clone())
}
};
Ok(ComputedCondition {
@ -74,7 +79,7 @@ impl RankingRuleGraphTrait for ExactnessGraph {
let exact_condition = ExactnessCondition::ExactInAttribute(dest_node.clone());
let exact_condition = conditions_interner.insert(exact_condition);
let skip_condition = ExactnessCondition::Skip(dest_node.clone());
let skip_condition = ExactnessCondition::Any(dest_node.clone());
let skip_condition = conditions_interner.insert(skip_condition);
Ok(vec![(0, exact_condition), (dest_node.term_ids.len() as u32, skip_condition)])