SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function parseDateTime32BestEffortOrNull (alias a) (children 1)
     ExpressionList (children 2)
      Literal \'Dec 15, 2021\'
      Literal \'UTC\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier a
