()On Sat, Jun 12, 2021 at 2:30 AM Justin Pryzby <pry...@telsasoft.com> wrote: > On Fri, Jun 11, 2021 at 11:37:58PM +0300, Alexander Korotkov wrote: > > On Fri, Jun 11, 2021 at 1:04 AM Justin Pryzby <pry...@telsasoft.com> wrote: > > > > > > +{ oid => '1293', descr => 'expand mutlirange to set of ranges', > > > > > > typo: mutlirange > > > > Fixed, thanks. > > > > The patch with the implementation of both unnest() and cast to array > > is attached. It contains both tests and docs. > > |+ The multirange could be explicitly cast to the array of corresponding > should say: "can be cast to an array of corresponding.." > > |+ * Cast multirange to the array of ranges. > I think should be: *an array of ranges
Thank you for catching this. > Per sqlsmith, this is causing consistent crashes. > I took one of its less appalling queries and simplified it to this: > > select > pg_catalog.multirange_to_array( > cast(pg_catalog.int8multirange() as int8multirange)) as c2 > from (select 1)x; It seems that multirange_to_array() doesn't handle empty multiranges. I'll post an updated version of the patch tomorrow. ------ Regards, Alexander Korotkov