/**
* Check existence of specified currency code in curr_code unique field.
*
* @return int ID if currency code exists otherwise NULL/false
*/
function dbexists()
{
return parent::dbexists('curr_code', $this->code);
}
/**
* Check existence of specified user field ID in ufdf_ID unique field.
*
* @todo dh> Two returns here!!
* @return int ID if user field exists otherwise NULL/false
*/
function dbexists()
{
global $DB;
$sql = "SELECT {$this->dbIDname}\n\t\t\t\t\t\t FROM {$this->dbtablename}\n\t\t\t\t\t WHERE {$this->dbIDname} = {$this->ID}";
return $DB->get_var($sql);
return parent::dbexists('ufdf_ID', $this->ID);
}
/**
* Check existence of specified goal in goal_key unique field.
*
* @return int ID if goal exists otherwise NULL/false
*/
function dbexists()
{
return parent::dbexists('goal_key', $this->key);
}
/**
* Check existence of specified sub-region code in subrg_code unique field.
*
* @return int ID if region + sub-region code exist otherwise NULL/false
*/
function dbexists()
{
return parent::dbexists(array('subrg_rgn_ID', 'subrg_code'), array($this->rgn_ID, $this->code));
}
/**
* Check existence of specified region code in rgn_code unique field.
*
* @return int ID if country + region code exist otherwise NULL/false
*/
function dbexists()
{
return parent::dbexists(array('rgn_ctry_ID', 'rgn_code'), array($this->ctry_ID, $this->code));
}
