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Introduce the CriterionResult return type

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This commit is contained in:
Clément Renault
2021-02-17 17:34:22 +01:00
committed by Kerollmops
parent 86bcecf840
commit 5344abc008
3 changed files with 31 additions and 9 deletions
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12
milli/src/search/criteria/mod.rs
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@ -10,7 +10,17 @@ use super::query_tree::{Operation, Query, QueryKind};
pub mod typo;
pub trait Criterion {
fn next(&mut self) -> anyhow::Result<Option<(Option<Operation>, RoaringBitmap)>>;
fn next(&mut self) -> anyhow::Result<Option<CriterionResult>>;
}
/// The result of a call to the parent criterion.
pub struct CriterionResult {
/// The query tree that must be used by the children criterion to fetch candidates.
pub query_tree: Option<Operation>,
/// The candidates that this criterion is allowed to return subsets of.
pub candidates: RoaringBitmap,
/// Candidates that comes from the current bucket of the initial criterion.
pub bucket_candidates: Option<RoaringBitmap>,
}
/// Either a set of candidates that defines the candidates