SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function substringIndexUTF8 (children 1)
     ExpressionList (children 3)
      Literal \'富强，民主，文明\'
      Literal \'，\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal UInt64_2
        Literal \'Int128\'
