Is that not just a COUNT(1) and a GROUP BY? Phil.
2012/3/12 Richard <codemon...@163.com>: > I have noticed histogram_numeric(col, n), but it seems to require numeric > column. > I have a string column, they are numeric like string but are category label, > e.g, > > 100001, 200034 > > two different strings are two different category but the numeric value does > not mean anything, > so it is not proper to use histogram_numeric(cast(col to BIGINT), n). > > thanks. > Richard > >
