Re: EXCLUDE USING and tstzrange

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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, 4 June 2021 15:44, Adrian Klaver <adrian.klaver@aklaver.com> wrote:

> On 6/4/21 7:32 AM, Laura Smith wrote:
>
> > Hi,
> > I'm having difficulty finding the right part of the docs for this one.
> > Could someone kindly clarify:
> > create table test (
> > test_id text,
> > test_range tstzrange);
> > Will "EXCLUDE USING gist (test_id WITH =, test_range WITH && )" work as expected or do I need to use "EXCLUDE USING
gist(test_id WITH =, test_range WITH TIME ZONE && )" to ensure the timezone is correctly taken into account during
comparison? 
>
> tstzrange is over timestamp with time zone, so time zones are already
> taken into account.
>
> > Thanks !
> > Laura
>
> --
>
> Adrian Klaver
> adrian.klaver@aklaver.com


Thank you Adrian !

One other question, what's the syntax for manipulating only the upper bound of a range.

Say I have a Postgres function that does a "SELECT INTO" for an existing tsrange.  Is there an easy way to change the
variable'supper bound whilst leaving the "old" lower bound intact ?