I found my way to this by guesswork and good luck. (I happen to be using PG 
Version 13.5. But I don't suppose that this matters.)

Doing "\df tsrange()" gives this:

   Schema   |  Name   | Result data type |                      Argument data 
types                       | Type 
------------+---------+------------------+----------------------------------------------------------------+------
 pg_catalog | tsrange | tsrange          | timestamp without time zone, 
timestamp without time zone       | func
 pg_catalog | tsrange | tsrange          | timestamp without time zone, 
timestamp without time zone, text | func

And doing this:

\x on
with c as (
  select
    '2000-01-15'::timestamp as t1,
    '2000-05-15'::timestamp as t2)
select
  tsrange(t1, t2, '[]') as r1,
  tsrange(t1, t2, '[)') as r2,
  tsrange(t1, t2, '(]') as r3,
  tsrange(t1, t2, '()') as r4
from c;
\x off

gives this:

r1 | ["2000-01-15 00:00:00","2000-05-15 00:00:00"]
r2 | ["2000-01-15 00:00:00","2000-05-15 00:00:00")
r3 | ("2000-01-15 00:00:00","2000-05-15 00:00:00"]
r4 | ("2000-01-15 00:00:00","2000-05-15 00:00:00")

It's exactly what I was looking for. Now I want to refer colleagues to the PG 
doc on the tsrange() function.

But I can't formulate a search that finds it using the doc site's intrinsic 
search.

And I can't even find a single example of it on any site using Google.

Where is it?

Reply via email to