Introduced minor optimization during execution of LSH based queries.

vitrivr · May 6, 2020 · d139ced · d139ced
1 parent 5e06565
commit d139ced
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/main/kotlin/org/vitrivr/cottontail/database/index/lsh/superbit/SuperBitLSHIndex.kt b/src/main/kotlin/org/vitrivr/cottontail/database/index/lsh/superbit/SuperBitLSHIndex.kt
@@ -81,13 +81,14 @@ class SuperBitLSHIndex<T : VectorValue<*>>(name: Name, parent: Entity, columns:
                 val bucket: Int = lsh.hash(query).last()
                 val tupleIds = this.map[bucket]
                 if (tupleIds != null) {
-                    tx.readMany(tupleIds = tupleIds.toList()).forEach {
-                        val value = it[predicate.column]
+                    tupleIds.forEach {
+                        val record = tx.read(it)
+                        val value = record[predicate.column]
                         if (value is VectorValue<*>) {
                             if (predicate.weights != null) {
-                                knn.add(ComparablePair(it.tupleId, predicate.distance(query, value, predicate.weights[i])))
+                                knn.add(ComparablePair(it, predicate.distance(query, value, predicate.weights[i])))
                             } else {
-                                knn.add(ComparablePair(it.tupleId, predicate.distance(query, value)))
+                                knn.add(ComparablePair(it, predicate.distance(query, value)))
                             }
                         }
                     }