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 lessOrEquals (children 1)
    ExpressionList (children 2)
     Literal \'2020-10-15\'
     Identifier timestamp
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier timestamp
