title: My login admin dosn't working after migration database from mysql to postgresql
body: <p>i have problem and i'm new in codeigniter with postgresql, i have a problem when i'm migration database from mysql to postgresql, after that my login admin page dosn't work. </p>
  
  <p>Anyone has an idea? </p>
  
  <p>Thanks.</p>
  
  <p><a href="https://i.stack.imgur.com/YyOOl.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YyOOl.png" alt="enter image description here"></a></p>
  
  <p>this my config database in CI.</p>