HHH-17492 Allow parameter inferred mapping for same java types

Author: mbellade

hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java

@@ -5930,7 +5930,8 @@ else if ( paramType instanceof MappingModelExpressible<?> ) {
 				final JdbcMapping paramJdbcMapping = paramModelType.getSingleJdbcMapping();
 				final JdbcMapping inferredJdbcMapping = inferredValueMapping.getSingleJdbcMapping();
 				// Only use the inferred mapping as parameter type when the JavaType accepts values of the bind type
-				if ( inferredJdbcMapping.getMappedJavaType().isWider( paramJdbcMapping.getMappedJavaType() )
+				if ( ( inferredJdbcMapping.getMappedJavaType() == paramJdbcMapping.getMappedJavaType()
+						|| inferredJdbcMapping.getMappedJavaType().isWider( paramJdbcMapping.getMappedJavaType() ) )
 						// and the bind type is not explicit or the bind type has the same JDBC type
 						&& ( !bindingTypeExplicit || canUseInferredType( paramJdbcMapping, inferredJdbcMapping ) ) ) {
 					return resolveInferredValueMappingForParameter( inferredValueMapping );