Thanks, that does work indeed. My actual real order is now this: ORDER BY emis_number asc, status desc, (case status when 2 then entry_date when 1 then significance end) desc, entry_date desc
All working perfect. Never realised you could do this. RBS On Wed, Apr 1, 2015 at 10:03 AM, Simon Slavin <slavins at bigfraud.org> wrote: > > On 1 Apr 2015, at 9:29am, Bart Smissaert <bart.smissaert at gmail.com> wrote: > > > This needs to be sorted on column A asc > > Then when the value in A is 1 the second sort needs to be asc on column > B, > > but when the value in A is 2 then the second sort needs to be asc on > > column C. > > You just put it all in your ORDER BY clause. > > SELECT * FROM myTable ORDER BY a, (CASE a WHEN 1 THEN b WHEN 2 THEN c END) > ASC > > What you can't do is create an index which perfects suit this clause. > You'll get the right results but not as quickly as a clause with an ideal > index. I can think of a few indexes which the planner might take advantage > of, but not any which are ideal. > > Simon. > _______________________________________________ > sqlite-users mailing list > sqlite-users at mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >
