Connection::getInsertId() is normalized to string

Author: dg

src/Database/Connection.php

@@ -124,7 +124,8 @@ public function getSupplementalDriver()
 	public function getInsertId($name = NULL)
 	{
 		try {
-			return $this->getPdo()->lastInsertId($name);
+			$res = $this->getPdo()->lastInsertId($name);
+			return $res === FALSE ? '0' : $res;
 		} catch (PDOException $e) {
 			throw $this->driver->convertException($e);
 		}

tests/Database/Connection.getInsertId().postgre.phpt

@@ -19,10 +19,10 @@ $connection->query('
 ');
 
 $connection->query('INSERT INTO primarykey (prim) VALUES (5)');
-Assert::equal(PHP_VERSION_ID < 70011 ? FALSE : '0', $connection->getInsertId());
+Assert::equal('0', $connection->getInsertId());
 
 $connection->query('INSERT INTO primarykey (prim) VALUES (6)');
-Assert::equal(PHP_VERSION_ID < 70011 ? FALSE : '0', $connection->getInsertId());
+Assert::equal('0', $connection->getInsertId());
 
 
 $connection->query('