grocerycrud

...
  But in the controller it loads the databases.
...
/* Standard Libraries */
$this->load->database();
/* ------------------ */
...

This code loads the database LIBRARY, NOT the database itself.

CI 3.1 Kubuntu 19.04 Apache 5.x  Mysql 5.x PHP 5.x PHP 7.x
Remember: Obfuscation is a bad thing.
Clarity is desirable over Brevity every time.