/**
* Increment a key in the keystore by the given value. If the key does not exist, it will be set to $value. An existing key's value will be treated as an int so this may destroy existing string data if used improperly
*
* @param string $key key to increment
* @param int $value new value
* @throws Interspire_KeyStore_Exception
*/
public function increment($key, $value = 1)
{
$query = "INSERT INTO `[|PREFIX|]keystore` (`key`, `value`) VALUES ('" . $this->db->Quote($key) . "', '" . $value . "') ON DUPLICATE KEY UPDATE `value` = CAST(`value` AS SIGNED) + VALUES(`value`)";
$result = $this->db->Query($query);
if (!$result) {
throw new Interspire_KeyStore_Exception($this->db->GetErrorMsg());
}
return (int)$this->get($key);
}