SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function plus (alias x) (children 1)
     ExpressionList (children 2)
      Function toIntervalDay (children 1)
       ExpressionList (children 1)
        Function minus (children 1)
         ExpressionList (children 2)
          Literal UInt64_100
          Function multiply (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_20
      Function toDate32 (children 1)
       ExpressionList (children 1)
        Literal \'2217-01-01\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10
