/**
* @group sqlite
*
*/
public function testColumns()
{
$columns = $this->ssql->createSQry()->columnsof('user');
$this->assertSame(count($columns), 2);
$this->assertSame($columns[0]['name'], 'id');
$this->assertSame($columns[0]['pk'], true);
$this->assertSame($columns[1]['name'], 'name');
$this->assertSame($columns[1]['pk'], false);
}
/**
* Create SSql instance and connect database with passed config.
*
* @param $config
* @return SSql
* @throws \RuntimeException when the parameter, config is not array type
*/
public static function connect($config)
{
if (is_null(self::$instance)) {
self::$instance = new self();
if (is_array($config)) {
self::$instance->setConfigFromArray($config);
} else {
throw new RuntimeException('config should be an array');
}
}
return self::$instance;
}
