fix mapping to long

Author: qqmyers

src/main/java/edu/harvard/iq/dataverse/FileMetadata.java

@@ -25,6 +25,7 @@
 import jakarta.json.Json;
 import jakarta.json.JsonArrayBuilder;
 import jakarta.persistence.Column;
+import jakarta.persistence.ColumnResult;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -38,6 +39,7 @@
 import jakarta.persistence.NamedNativeQuery;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.OrderBy;
+import jakarta.persistence.SqlResultSetMapping;
 import jakarta.persistence.Table;
 import jakarta.persistence.Transient;
 import jakarta.persistence.Version;
@@ -90,7 +92,11 @@
                 "                 ) " +
                 "            ) " +
                 "        )",
-        resultClass = Long.class
+                resultSetMapping = "IdToLongMapping"
+    )
+@SqlResultSetMapping(
+        name = "IdToLongMapping",
+        columns = @ColumnResult(name = "id", type = Long.class)
     )
 @Entity
 public class FileMetadata implements Serializable {