SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayJoin (children 1)
     ExpressionList (children 1)
      Function distinctDynamicTypesIf (children 1)
       ExpressionList (children 2)
        Identifier json.a2
        Function equals (children 1)
         ExpressionList (children 2)
          Function dynamicType (children 1)
           ExpressionList (children 1)
            Identifier json.a2
          Literal \'String\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_json_dynamic_aggregate_functions
