How can I get an error when running multiple queries with PDO?

Question

I\'m running multiple queries using PDO. If the second query fails, now Exception is thrown.

$db = new PDO(\"mysql:host=localhost;dbname=test\", \'root\', \         


        

Answer 1

I found the answer in using a prepared statement. After looping through all rowsets, I can check if the last query executed caused an error using $stmt->errorInfo().

$db = new PDO("mysql:host=localhost;dbname=test", 'root', '');
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT);
$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, 1);

$sql = "
DELETE FROM car; 
INSERT INTO car(name, type) SELECT name, from FROM vehicle;
";

$stmt = $db->prepare($sql);
$stmt->execute();
$i = 0;

do {
  $i++;
} while ($stmt->nextRowset());

$error = $stmt->errorInfo();
if ($error[0] != "00000") {
  echo "Query $i failed: " . $error[2];
  die();
}