Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, 4 June 2021 18:45, Mark Dilger <mark.dilger@xxxxxxxxxxxxxxxx> wrote: > > On Jun 4, 2021, at 9:47 AM, Laura Smith n5d9xq3ti233xiyif2vp@xxxxxxxxxxxxx wrote: > > CREATE TABLE test ( > > t_val text not null, > > t_version text unique not null default gen_random_uuid() , > > t_range tstzrange not null default tstzrange('-infinity','infinity'), > > EXCLUDE USING gist (t_val WITH=, t_range WITH &&) DEFERRABLE INITIALLY DEFERRED > > ); > > <snip> > > > INSERT INTO test(t_val) values(p_val); > > This will insert a t_range of ('-infinity','infinity'), won't it? Wouldn't you want to instead insert with t_range starting around now() rather than starting at -infinity? > > — > Mark Dilger > EnterpriseDB: http://www.enterprisedb.com > The Enterprise PostgreSQL Company Interesting. I will go test. It hadn't occurred to me the start time might be what was causing all the errors. Thanks for the suggestion Mark. I will report back.