Is there a reason why I can't use select col1, col2, count(distinct col3) over (PARTITION by col4 order by col5 ROWS BETWEEN 5 PRECEDING AND FOLLOWING) as col1 from table
? I am trying to see for any given window if there is a lot of variability in a col4, and it just doesn't work with count distinct, count(1) works find, but that's not the data I am looking for.