SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function dictHas (children 1)
     ExpressionList (children 2)
      Literal \'db_01268.dict2\'
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Literal UInt64_3