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Reduce the number of calls to alterate_query_tree

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Kerollmops 2021-02-18 11:00:31 +01:00
parent 9ccaea2afc
commit 67c71130df
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1 changed files with 20 additions and 6 deletions
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26
milli/src/search/criteria/typo.rs
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@ -63,9 +63,16 @@ impl<'t> Criterion for Typo<'t> {
self.candidates = Candidates::default();
},
(Some(query_tree), Allowed(candidates)) => {
// TODO if number_typos >= 2 the generated query_tree will allways be the same,
// generate a new one on each iteration is a waste of time.
let new_query_tree = alterate_query_tree(&self.ctx.words_fst(), query_tree.clone(), self.number_typos)?;
let fst = self.ctx.words_fst();
let new_query_tree = if self.number_typos < 2 {
alterate_query_tree(&fst, query_tree.clone(), self.number_typos)?
} else if self.number_typos == 2 {
*query_tree = alterate_query_tree(&fst, query_tree.clone(), self.number_typos)?;
query_tree.clone()
} else {
query_tree.clone()
};
let mut new_candidates = resolve_candidates(self.ctx, &new_query_tree, self.number_typos)?;
new_candidates.intersect_with(&candidates);
candidates.difference_with(&new_candidates);
@ -83,9 +90,16 @@ impl<'t> Criterion for Typo<'t> {
}));
},
(Some(query_tree), Forbidden(candidates)) => {
// TODO if number_typos >= 2 the generated query_tree will allways be the same,
// generate a new one on each iteration is a waste of time.
let new_query_tree = alterate_query_tree(&self.ctx.words_fst(), query_tree.clone(), self.number_typos)?;
let fst = self.ctx.words_fst();
let new_query_tree = if self.number_typos < 2 {
alterate_query_tree(&fst, query_tree.clone(), self.number_typos)?
} else if self.number_typos == 2 {
*query_tree = alterate_query_tree(&fst, query_tree.clone(), self.number_typos)?;
query_tree.clone()
} else {
query_tree.clone()
};
let mut new_candidates = resolve_candidates(self.ctx, &new_query_tree, self.number_typos)?;
new_candidates.difference_with(&candidates);
candidates.union_with(&new_candidates);