SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function dynamicType (children 1)
     ExpressionList (children 1)
      Identifier json.a2
    Function distinctJSONPathsAndTypes (children 1)
     ExpressionList (children 1)
      Identifier json
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_json_dynamic_aggregate_functions
   ExpressionList (children 1)
    Function dynamicType (children 1)
     ExpressionList (children 1)
      Identifier json.a2
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function dynamicType (children 1)
      ExpressionList (children 1)
       Identifier json.a2
