#1404 - Query.findCount() with query.setDistinct(true) ... doesn't give count distinct SQL query

src/main/java/io/ebeaninternal/server/query/SqlTreeNodeExtraJoin.java

@@ -39,6 +39,11 @@ class SqlTreeNodeExtraJoin implements SqlTreeNode {
     this.manyJoin = assocBeanProperty instanceof STreePropertyAssocMany;
   }
 
+  @Override
+  public boolean isSingleProperty() {
+    return false;
+  }
+
   @Override
   public void buildRawSqlSelectChain(List<String> selectChain) {
     // nothing to add