From 5851e028a83ea0052959b016bb8617aea15bf17f Mon Sep 17 00:00:00 2001
From: mariadb-KristinaPavlova <kristina.pavlova@mariadb.com>
Date: Tue, 28 Oct 2025 13:37:47 +0200
Subject: [PATCH] add check for null value

---
 dbcon/execplan/simplecolumn.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dbcon/execplan/simplecolumn.h b/dbcon/execplan/simplecolumn.h
index de1b02b83..26e1b35f7 100644
--- a/dbcon/execplan/simplecolumn.h
+++ b/dbcon/execplan/simplecolumn.h
@@ -337,6 +337,10 @@ class SimpleColumn : public ReturnedColumn
   double getDoubleVal(rowgroup::Row& row, bool& isNull) override
   {
     evaluate(row, isNull);
+    if (isNull)
+    {
+      return 0;
+    }
     return TreeNode::getDoubleVal();
   }