From fd32f17958df108702400d40c6ccf182a66f349a Mon Sep 17 00:00:00 2001
From: Speros Kokenes <speros@meta.com>
Date: Wed, 13 Nov 2024 11:15:19 -0500
Subject: [PATCH] fix: render value null check

---
 .../malloy-render/src/component/render-result-metadata.ts    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/malloy-render/src/component/render-result-metadata.ts b/packages/malloy-render/src/component/render-result-metadata.ts
index d9fd439e3..1ccf098a9 100644
--- a/packages/malloy-render/src/component/render-result-metadata.ts
+++ b/packages/malloy-render/src/component/render-result-metadata.ts
@@ -165,7 +165,10 @@ const populateFieldMeta = (data: DataArray, metadata: RenderResultMetadata) => {
       const fieldSet = maxUniqueFieldValueSets.get(getFieldKey(f))!;
 
       const value = f.isAtomicField() ? row.cell(f).value : undefined;
-      if (value === null || typeof value === 'undefined') {
+      if (
+        f.isAtomicField() &&
+        (value === null || typeof value === 'undefined')
+      ) {
         fieldMeta.values.add(NULL_SYMBOL);
         fieldSet.add(NULL_SYMBOL);
       } else if (valueIsNumber(f, value)) {