SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier datetime64_issue
   Function in (children 1)
    ExpressionList (children 2)
     Identifier dtn
     Function toDateTime64 (children 1)
      ExpressionList (children 2)
       Literal \'2001-01-11 01:11:21.100\'
       Literal UInt64_3
