SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function hex (children 1)
     ExpressionList (children 1)
      Function sipHash128Keyed (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier key0
          Identifier key1
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'4\'
          Literal \'UInt64\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier sipHashKeyed_keys
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key0
