SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function greater (children 1)
    ExpressionList (children 2)
     Literal \'2020-10-16\'
     Identifier timestamp
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier timestamp
