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feat: Pre-compute matches query index groups

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This commit is contained in:
Clément Renault
2019-01-06 11:11:55 +01:00
parent 40ab9e7a55
commit 039a9a4cc7
8 changed files with 86 additions and 41 deletions
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12
src/rank/criterion/sum_of_words_position.rs
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@ -2,19 +2,17 @@ use std::cmp::Ordering;
use std::ops::Deref;
use rocksdb::DB;
use group_by::GroupBy;
use crate::database::DatabaseView;
use crate::rank::{match_query_index, Document};
use crate::rank::{Document, Matches};
use crate::rank::criterion::Criterion;
use crate::Match;
use crate::database::DatabaseView;
#[inline]
fn sum_matches_attribute_index(matches: &[Match]) -> u32 {
fn sum_matches_attribute_index(matches: &Matches) -> u32 {
// note that GroupBy will never return an empty group
// so we can do this assumption safely
GroupBy::new(matches, match_query_index).map(|group| unsafe {
group.get_unchecked(0).attribute.word_index()
matches.query_index_groups().map(|group| {
unsafe { group.get_unchecked(0).attribute.word_index() }
}).sum()
}