->selectAdd()

Opis

Adds a selected columns. By default a select query will request all items (eg. SELECT * FROM table), to change this behavior you can first call selectAdd() without any arguments to clear the current request and then add the specific items you require.

You can also set up a default selection query by adding SelectAdd() method calls in the object constructor method (the one with the same name as the class)

Parametr

• resource $key - table column name

Uwagi

Ta funkcja nie może być wywołana statycznie.

Przykład

<?php
$person = new DataObjects_Person;
$person->selectAdd();
$person->selectAdd('id,name');

while ($person->fetch()) {
  echo "{$person->id} {$person->name}<BR>";
}


$person = new DataObjects_Person;
$person->selectAdd("DATE_FORMAT(birthday,'%d %m %Y') as birthday_formated ");
$person->id = 12;
$person->find(TRUE);

echo "{$person->name} {$person->birthday_formated}<BR>";
?>

SELECT id,name FROM person

SELECT *, DATE_FORMAT(birthday,'%d %m %Y') as birthday_formated  FROM person WHERE id=12