On Tue, 30 Oct 2018 at 07:58, David Rowley <david.row...@2ndquadrant.com> wrote:
> I've started working on something I've ended up calling "Super > PathKeys". The idea here is to increase the likelihood of a Path with > PathKeys being used for a purpose that requires a less strict sort > order due to ordering being required from the return value of some > precision loss function. > Anything left anchored would benefit, so SUBSTR(), TRIM() etc Main use for this would be where the partition condition is a function, so we can still order by partitions easily. -- Simon Riggs http://www.2ndQuadrant.com/ <http://www.2ndquadrant.com/> PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services