From 122d1806c71dbd04af57ac6fb2644174597a6fd8 Mon Sep 17 00:00:00 2001
From: Andrea Boriero <andrea@hibernate.org>
Date: Mon, 14 Oct 2024 17:00:17 +0200
Subject: [PATCH] HHH-18681 InterpretationException executing subquery in
 case-when : o.h.query.sqm.tree.select.SqmSelection.getExpressible() is null

---
 .../hibernate/query/hql/internal/SemanticQueryBuilder.java  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java b/hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java
index e735975fa7..f52904113f 100644
--- a/hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java
+++ b/hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java
@@ -5259,9 +5259,11 @@ public class SemanticQueryBuilder<R> extends HqlParserBaseVisitor<Object> implem
 
 			final List<SqmSelection<?>> selections = subQuery.getQuerySpec().getSelectClause().getSelections();
 			if ( selections.size() == 1 ) {
-				subQuery.applyInferableType( selections.get( 0 ).getExpressible().getSqmType() );
+				final SqmExpressible<?> expressible = selections.get( 0 ).getExpressible();
+				if ( expressible != null ) {
+					subQuery.applyInferableType( expressible.getSqmType() );
+				}
 			}
-
 			return subQuery;
 		}
 		finally {