SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function sipHash128ReferenceKeyed (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Function toUInt64 (children 1)
           ExpressionList (children 1)
            Literal UInt64_0
          Function toUInt64 (children 1)
           ExpressionList (children 1)
            Literal UInt64_0
        Function char (children 1)
         ExpressionList (children 1)
          Literal UInt64_0
      Function sipHash128Reference (children 1)
       ExpressionList (children 1)
        Function char (children 1)
         ExpressionList (children 1)
          Literal UInt64_0
