/**
* @return bool|null
*/
public function exists()
{
$sql = $this->grammar->compileExists($this);
$results = $this->connection->select($sql, $this->getBindings(), !$this->useWritePdo);
if (isset($results[0])) {
$results = (array) $results[0];
return (bool) $results['exists'];
}
}
/**
* @param string $table
* @return array
*/
public function getColumnListing($table)
{
$table = $this->connection->getTablePrefix() . $table;
$results = $this->connection->select($this->grammar->compileColumnExists($table));
return $this->connection->getPostProcessor()->processColumnListing($results);
}