Re: Extract only maximum date from column
Bryan Sayer <blslists@gmail.com>
From: Bryan Sayer <blslists@gmail.com>
To: pgsql-general@lists.postgresql.org
Date: 2025-12-04T20:24:40Z
Lists: pgsql-general
You don't include the where clause, just the having clause after the group by. At least that is what I remember. But it has been awhile. *Bryan Sayer* Retired Demographer/Statistician /In a world in which you can be anything, *be kind*/ On 12/4/2025 3:13 PM, Rich Shepard wrote: > On Thu, 4 Dec 2025, Bryan Sayer wrote: > >> I believe in general you need >> >> having c.next_contact = max(c.next_contact) >> >> (at least in ANSI SQL) Use having for after the join has occurred > > Bryan, > > Postgresql didn't like that regardless of where I inserted the `having' > stanza. > > Thanks, > > Rich > >