public function beforeCall($proxied, $method, $args, &$alternateReturn)
{
// we only query on the write DB if it's a write query, OR we've performed a write
// by some other means
if ($method == 'query') {
if (isset($args[0])) {
$sql = $args[0];
$code = isset($args[1]) ? $args[1] : E_USER_ERROR;
if (in_array(strtolower(substr($sql, 0, strpos($sql, ' '))), $this->writeQueries) || $this->writePerformed) {
$alternateReturn = $this->writeDb->query($sql, $code);
$this->writePerformed = true;
return false;
}
}
} else {
$i = call_user_func_array(array($this->writeDb, $method), $args);
// capture a call to manipulate, which basically performs a bunch of write queries
// at once
if ($method == 'manipulate') {
$this->writePerformed = true;
}
$alternateReturn = $i;
return false;
}
}
/**
* Execute the given SQL query.
* This abstract function must be defined by subclasses as part of the actual implementation.
* It should return a subclass of SS_Query as the result.
*
* @param string $sql The SQL query to execute
* @param int $errorLevel The level of error reporting to enable for the query
* @return SS_Query
*/
public function query($sql, $errorLevel = E_USER_ERROR)
{
return $this->database->query($sql, $errorLevel);
}
