master
some optimzation (#2272)
Fix map with cols (#1575)
Refactor orderby and support arguments (#2150)
Delete Limit with start will return error because it's not supported by database (#1895)
fix lint (#1953)
refactor write insert sql (#2302)
modify limit offset implement (#2188)
Check orderby validate (#2313)
Fix bug when ID used but no reference table given (#1709)
Fix join problem (#2291)
Exec support conversion data (#1970)
Remove const insertSelectPlaceholder and associated dead code (#2151)
Add README and fix some lints (#2079)
Refactor write update (#2310)
Move convert back to xorm.io/xorm/convert (#2030)