获取当前连接
pg_connect Driver_Database_Driver_Postgre::connection( )
pg_connect
public function connection()
{
# 尝试连接数据库
$this->connect();
# 获取连接ID
$connection_id = $this->connection_id();
if ($connection_id && isset(Database_Driver_Postgre::$_connection_instance[$connection_id]))
{
return Database_Driver_Postgre::$_connection_instance[$connection_id];
}
else
{
throw new Exception('Postgre数据库连接异常');
}
}