This is a command-line option for the
Enable automatic rehashing. One doesn't need to use 'rehash' to get table and field completion, but startup and reconnecting may take a longer time. Disable with --disable-auto-rehash. (Defaults to on; use --skip-auto-rehash to disable.)
Information specific to MariaDB SkySQL can be found on the auto-rehash page in the SkySQL Documentation.