SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function anyIf (children 1)
     ExpressionList (children 2)
      Literal \'Hello\'
      Function equals (children 1)
       ExpressionList (children 2)
        Function arrayJoin (children 1)
         ExpressionList (children 1)
          Literal Array_[UInt64_1, NULL]
        Literal UInt64_0
