SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 8)
    Function toDateTime (alias t) (children 1)
     ExpressionList (children 2)
      Literal \'2020-01-01 00:00:00\'
      Literal \'UTC\'
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier t
      Literal UInt64_1
    Function plus (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Identifier t
      Literal UInt64_1
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier t
      Function toIntervalSecond (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier t
      Function toIntervalDay (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function plus (children 1)
       ExpressionList (children 2)
        Identifier t
        Literal UInt64_1
    Function plus (alias dt64) (children 1)
     ExpressionList (children 2)
      Function toDateTime64 (children 1)
       ExpressionList (children 3)
        Identifier t
        Literal UInt64_3
        Literal \'UTC\'
      Literal UInt64_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier dt64