Looks like SQL Server supports it, not sure if this is in the SQL standard:
https://stackoverflow.com/questions/15931607/convert-rows-to-columns-using-pivot-in-sql-server On Tue, Mar 6, 2018 at 11:47 AM, Kunal Khatua <kunalkha...@gmail.com> wrote: > Not until now :) > > Can you file a JIRA so that we can track it? > > On Tue, Mar 6, 2018 at 11:40 AM, John Omernik <j...@omernik.com> wrote: > > > Perfect. That works for me because I have a limited number of values, I > > could see that getting out of hand if the values were unknown. Has there > > been any talk of a Pivot function in Drill? That would be helpful so you > > didn't have to know the column names ahead of time. > > > > John > > > > On Tue, Mar 6, 2018 at 10:50 AM, Ted Dunning <ted.dunn...@gmail.com> > > wrote: > > > > > Arjun's approach works even if the timestamps are not unique. > Especially > > if > > > you use avg instead of max. > > > > > > On Mar 6, 2018 8:47 AM, "Arjun kr" <arjun...@outlook.com> wrote: > > > > > > > If each timestamp has only one set of values for (x,y,z) , you can > try > > > > something like below. > > > > > > > > select dt , > > > > max(case when source='X' THEN `value` else 0.0 end) as X, > > > > max(case when source='Y' THEN `value` else 0.0 end) as Y, > > > > max(case when source='Z' THEN `value` else 0.0 end) as Z > > > > from > > > > <table> > > > > group by dt; > > > > > > > > Thanks, > > > > > > > > Arjun > > > > > > > > > > > > > > > > ________________________________ > > > > From: Andries Engelbrecht <aengelbre...@mapr.com> > > > > Sent: Tuesday, March 6, 2018 9:11 PM > > > > To: user@drill.apache.org > > > > Subject: Re: Way to "pivot" > > > > > > > > If the X, Y and Z is unique for each timestamp you can perhaps use > > group > > > > by (dt, X, Y , Z) and case to make the X, Y , Z columns. May be > worth > > > > looking into, but is going to be expensive to execute. Just an idea, > > but > > > > have not tested it. > > > > > > > > --Andries > > > > > > > > > > > > On 3/6/18, 6:46 AM, "John Omernik" <j...@omernik.com> wrote: > > > > > > > > I am not sure if this is the right thing for what I am trying to > > do, > > > > but I > > > > have data in this formate > > > > > > > > > > > > source dt value > > > > X 2018-03-06 11:00 0.31 > > > > X 2018-03-06 12:00 0.94 > > > > X 2018-03-06 13:00 0.89 > > > > X 2018-03-06 14:00 0.01 > > > > X 2018-03-06 15:00 0.43 > > > > Y 2018-03-06 11:00 1.43 > > > > Y 2018-03-06 12:00 0.50 > > > > Y 2018-03-06 13:00 0.10 > > > > Y 2018-03-06 14:00 0.42 > > > > Y 2018-03-06 15:00 0.41 > > > > Z 2018-03-06 11:00 5.34 > > > > Z 2018-03-06 12:00 4.32 > > > > Z 2018-03-06 13:00 4.20 > > > > Z 2018-03-06 14:00 0.89 > > > > Z 2018-03-06 15:00 0.01 > > > > > > > > I'd like to graph it as three lines (X, Y and Z) over time, so > the > > > > graph > > > > tool I am using asks for it this format: > > > > > > > > > > > > > > > > dt X Y > > > > Z > > > > > > > > 2018-03-06 11:00 0.31 1.43 5.34 > > > > 2018-03-06 12:00 0.94 0.50 4.32 > > > > 2018-03-06 13:00 0.89 0.10 4.20 > > > > 2018-03-06 14:00 0.01 0.42 0.89 > > > > 2018-03-06 15:00 0.43 0.41 0.01 > > > > > > > > > > > > So I think that would be a PIVOT like function right (which I > don't > > > > think > > > > Drill has) Is there a way to "fake" this in Drill using some > other > > > > built in > > > > functions? > > > > > > > > Thanks! > > > > > > > > John > > > > > > > > > > > > > > > > > >
