SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Literal \'2020-02-05 14:34:12.333\' (alias S)
    Function toDateTime64 (alias DT64) (children 1)
     ExpressionList (children 2)
      Identifier S
      Literal UInt64_3
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier DT64
      Identifier S
