Re: [External] LIMIT not showing all results

2019-03-05 Thread Casey Deccio
> On Mar 5, 2019, at 11:55 AM, Tom Lane wrote: > > Matthew Pounsett writes: >> On Tue, 5 Mar 2019 at 12:54, Tom Lane wrote: >>> Given that (a) this was triggered by a server migration and (b) >>> the leading column of the index looks like it's probably varchar, >>> I'm suspicious that the ne

Re: LIMIT not showing all results

2019-03-05 Thread Casey Deccio
> On Mar 5, 2019, at 10:37 AM, Andreas Kretschmer > wrote: > > no, but you can set enable_indexscan to off and maybe also enable_bitmapscan > to off to force the planner to choose a seq-scan. > I'm sure in this case you will get a correct result. So this (setting enable_indexscan to off) migh

Re: [External] LIMIT not showing all results

2019-03-05 Thread Casey Deccio
> On Mar 5, 2019, at 9:15 AM, Vijaykumar Jain wrote: > > Can you run both the queries with > “explain analyze select ” and paste the output. dnsviz=> explain analyze select id,name,date from analysis where name = 'foo' order by date desc limit 20;

LIMIT not showing all results

2019-03-05 Thread Casey Deccio
Okay, the subject is a little misleading because of course LIMIT isn't supposed to all results, but I've got an issue where LIMIT isn't showing the number of results I would expect. For example: mydb=> select id,name,date from analysis where name = 'foo' order by date desc limit 3; id |