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)
      Function remote (children 1)
       ExpressionList (children 3)
        Literal \'127.0.0.{1,2,3}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier test_json_dynamic_aggregate_functions
