SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash32 (children 1)
       ExpressionList (children 1)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'bar\'
          Literal \'FixedString(3)\'
      Function toUInt32 (children 1)
       ExpressionList (children 1)
        Literal UInt64_1101146924
