SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function toDateTime64 (alias x) (children 1)
     ExpressionList (children 3)
      Literal \'2019-09-16 19:20:12.345678910\'
      Literal UInt64_3
      Literal \'Asia/Istanbul\'
   ExpressionList (children 5)
    Function materialize (alias dt64) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toUnixTimestamp64Second (children 1)
     ExpressionList (children 1)
      Identifier dt64
    Function toUnixTimestamp64Milli (children 1)
     ExpressionList (children 1)
      Identifier dt64
    Function toUnixTimestamp64Micro (children 1)
     ExpressionList (children 1)
      Identifier dt64
    Function toUnixTimestamp64Nano (children 1)
     ExpressionList (children 1)
      Identifier dt64
