That did it. Thanks! On Mar 17, 11:01 pm, Thomas Mueller <[email protected]> wrote: > Hi, > > > Is there anything I can do to improve the performance? > > Yes, create a descending index. Example: > > drop table test; > create table test(id int not null); > create primary key on test(id desc); > insert into test select x from system_range(1, 100000); > select id from test where id <= 50000 order by id desc limit 1; > explain select id from test where id <= 50000 order by id desc limit 1; > > Regards, > Thomas
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