From 9a4c9d598ca93ef66ba02067cc1497d53c28cddc Mon Sep 17 00:00:00 2001
From: Bryce Mecum <petridish@gmail.com>
Date: Wed, 5 Mar 2025 13:51:42 -0800
Subject: [PATCH] Switch Unspecified to Required (#15011)

---
 datafusion/substrait/src/logical_plan/producer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/datafusion/substrait/src/logical_plan/producer.rs b/datafusion/substrait/src/logical_plan/producer.rs
index e4df9703b20c..fc24d5bb91f0 100644
--- a/datafusion/substrait/src/logical_plan/producer.rs
+++ b/datafusion/substrait/src/logical_plan/producer.rs
@@ -1039,7 +1039,7 @@ fn to_substrait_named_struct(schema: &DFSchemaRef) -> Result<NamedStruct> {
             .map(|f| to_substrait_type(f.data_type(), f.is_nullable()))
             .collect::<Result<_>>()?,
         type_variation_reference: DEFAULT_TYPE_VARIATION_REF,
-        nullability: r#type::Nullability::Unspecified as i32,
+        nullability: r#type::Nullability::Required as i32,
     };
 
     Ok(NamedStruct {