ns = params_kw.copy()

sql = """select a.*, b.name as miname, c.name as mtname,
concat(b.name, '(', c.name, ')') as name from
(select modelinstanceid as mii, 
modeltypeid as mti, 
avg(finish_time) as cost_time 
from feelog 
where transdate >= ${start_date}$ and
	transdate < ${end_date}$ and 
	finish_time is not null 
group by mii, mti 
) a,
	modelinstance b,
	modeltype as c
where a.mii = b.id and
	a.mti = c.id
order by cost_time
limit 5
"""
db = DBPools()
async with db.sqlorContext('sage') as sor:
	recs = await sor.sqlExe(sql, ns.copy())
	return recs
return []