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Mind::rank leaves the cursor to the door that already refused it

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The narrowed selection cleared a cursor that semantic_selection has already
refused, and an empty cursor is no cursor to the evaluator; the mutation run
showed the clear could be deleted with every test still green. A test pins
that an empty cursor still ranks.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Meta Vens 2026-09-29 14:07:35 +02:00
commit b692b901d2
1 changed files with 1 additions and 1 deletions
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2
crates/huginn-mind/src/query.rs
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@ -532,7 +532,7 @@ impl<S: MindStore> Mind<S> {
let mut evaluation = if keys.is_empty() {
Evaluation { rows: Vec::new(), matched: 0, edges: Vec::new(), next_cursor: None }
} else {
let narrowed = Selection { keys: Some(keys), limit: Some(LIMIT_MAX), cursor: None, ..selection.clone() };
let narrowed = Selection { keys: Some(keys), limit: Some(LIMIT_MAX), ..selection.clone() };
select(&Vocabulary, &rows, &narrowed, head, self.cursor_key())?
};
let score = |row: &SelectionRow| scores.get(row.key.as_str()).copied().unwrap_or(f32::NEG_INFINITY);