SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function plus (alias x) (children 1)
     ExpressionList (children 2)
      Function toIntervalMonth (children 1)
       ExpressionList (children 1)
        Function minus (children 1)
         ExpressionList (children 2)
          Function multiply (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_4
          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
