EllisLab/CodeIgniter — pull request #2660 by waitingsong (2013-09-24 12:20:47+00:00)
Title: Add CI_DB_query_builder::get_like_escape_str() to output "ESCAPE '_like_...

...escape_chr'" separately

$db->like() will append like_escape_str to the LIKE statement, but sometimes we need append it separately when build searching statement using $db->escape_like_str($str)