#125 - ENH: Add support for query returning a List of single Attribute type

src/main/java/com/avaje/ebeaninternal/server/expression/JunctionExpression.java

@@ -400,6 +400,11 @@ class JunctionExpression<T> implements SpiJunction<T>, SpiExpression, Expression
     return exprList.findMap(keyProperty, keyType);
   }
 
+  @Override
+  public <A> List<A> findSingleAttributeList() {
+    return exprList.findSingleAttributeList();
+  }
+
   @Override
   public PagedList<T> findPagedList() {
     return exprList.findPagedList();