Files
2dph/internal/brain/rank/query.go
T
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feat: D24 fact intervals (--as-of) and bin/stack assistant helpers.
Store valid_from/valid_to on leafs and filter search by calendar day without
overloading D16 source staleness; stack start/start-assistant wires brain + PicoClaw.
2026-08-14 15:45:09 +01:00

39 lines
1.2 KiB
Go

package rank
// BM25 ranks best-first, so the top hits are the *highest* scores; cosine
// distance ranks best-first ascending. Both mirror kblib.py.
const FTSStmt = "CALL QUERY_FTS_INDEX('Leaf', 'id', $q) " +
"RETURN node.id, node.text, node.root, node.source, score, node.confidence, " +
"node.valid_from, node.valid_to ORDER BY score DESC LIMIT $n"
const VecStmt = "CALL QUERY_VECTOR_INDEX('Leaf', 'Leaf_vec', $q, $n) " +
"RETURN node.id, node.text, node.root, node.source, distance, node.confidence, " +
"node.valid_from, node.valid_to ORDER BY distance LIMIT $n"
// HopStmt is the Cypher walk from a search hit. Depth 1 = File, 2 = Commit, 3 = Person.
func HopStmt(depth int) string {
switch depth {
case 1:
return "MATCH (l:Leaf {id:$id})-[:FROM_FILE]->(f:File) RETURN f.id, f.path, 1"
case 2:
return "MATCH (l:Leaf {id:$id})-[:FROM_FILE]->(f:File)-[:HAS_VERSION]->(c:Commit) RETURN c.id, c.subject, 2"
case 3:
return "MATCH (l:Leaf {id:$id})-[:FROM_FILE]->(f:File)-[:HAS_VERSION]->(c:Commit)-[:AUTHORED]->(p:Person) RETURN p.id, p.name, 3"
default:
return ""
}
}
func HopLabel(depth int) string {
switch depth {
case 1:
return "File"
case 2:
return "Commit"
case 3:
return "Person"
default:
return ""
}
}