Hi!!
Of course the following is possible in various ways but i wonder
if there is an elegant and simple solution:
A part from apache log:
remote_host varchar(50)
request_uri varchar(50)
ts timestamp with time zone
Now i want to see which host has done how many requests. This
is not difficult:
SELECT remote_host, count(*) FROM apache_log GROUP BY remote_host;
But now i would like to add a column to the result which
shows the most recent requested uri for each group.
This sounds quite easy at first glance but i see no simple solution.
I suppose with max(ts) i could acquire the time of the
most recent request within the group, but how do i get
the corresponding request_uri without doing subquerys or
something like that?
Thank you very much!
Klaus
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