From 5d87b8346ec8c91af2c17c5ccf179c655e6ef47b Mon Sep 17 00:00:00 2001
From: Isaac Brodsky <isaac@isaacbrodsky.com>
Date: Thu, 25 Apr 2024 13:43:40 -0700
Subject: [PATCH] assertion

---
 src/h3_directededge.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/h3_directededge.cpp b/src/h3_directededge.cpp
index d9d1003..b6fd9b8 100644
--- a/src/h3_directededge.cpp
+++ b/src/h3_directededge.cpp
@@ -29,6 +29,8 @@ static void DirectedEdgeToCellsFunction(DataChunk &args, ExpressionState &state,
 static void OriginToDirectedEdgesFunction(DataChunk &args,
                                           ExpressionState &state,
                                           Vector &result) {
+  D_ASSERT(result.GetType().id() == LogicalTypeId::LIST);
+
   auto result_data = FlatVector::GetData<list_entry_t>(result);
   for (idx_t i = 0; i < args.size(); i++) {
     result_data[i].offset = ListVector::GetListSize(result);