SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function toInterval (alias interval) (children 1)
     ExpressionList (children 2)
      Literal UInt64_5
      Literal \'microsecond\'
    Function plus (alias res) (children 1)
     ExpressionList (children 2)
      Function toDateTime64 (children 1)
       ExpressionList (children 2)
        Literal \'2025-01-01 00:00:00\'
        Literal UInt64_9
      Identifier interval
