check that distance func is func

duckdb · Apr 12, 2024 · a85e973 · a85e973
1 parent 692913f
commit a85e973
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/hnsw/hnsw_plan_index_scan.cpp b/src/hnsw/hnsw_plan_index_scan.cpp
@@ -60,6 +60,10 @@ class HNSWIndexScanOptimizer : public OptimizerExtension {
 		auto &projection = immediate_child->Cast<LogicalProjection>();
 		auto projection_index = bound_column_ref.binding.column_index;
 
+		if(projection.expressions[projection_index]->type != ExpressionType::BOUND_FUNCTION) {
+			// The expression has to be a function
+			return;
+		}
 		auto &bound_function = projection.expressions[projection_index]->Cast<BoundFunctionExpression>();
 		if (!HNSWIndex::IsDistanceFunction(bound_function.function.name)) {
 			// We can only optimize if the order by expression is a distance function