/**
* @param Board|PDO $target
* @return PDOStatement
* @throws Exception\RuntimeException
*/
public function prepare($target, &$params = null)
{
$board = Board::cast($target, false);
$pdo = $board->getPdo();
$result = $this->render($board);
$stmt = $pdo->prepare($result->getSql());
$params = $result->getParams();
if (!$stmt) {
$error = $pdo->errorInfo();
$message = '[' . $error[0] . '] ' . $error[2];
throw Exception\RuntimeException($message, $error[1]);
}
return $stmt;
}
/**
* @param Board $board
* @param int $depth
*/
protected function build(Board $board, $depth = 0)
{
$resolve = $board->getResolve();
$params = $this->getParams();
if ($resolve && !empty($params)) {
$expr = $this->resolveParams($board);
} else {
$expr = $this->getExpr();
foreach ($params as $p) {
$board->add($p);
}
}
$board->write($expr);
}