Backport #30304 by wxiaoguang Fix #29074 (allow to disable all builtin apps) and don't make the doctor command remove the builtin apps. By the way, rename refobject and joincond to camel case. Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
max( id )
max( index )
fast-forward-only
db.DefaultContext