From: | PG Bug reporting form <noreply(at)postgresql(dot)org> |
---|---|
To: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
Cc: | exclusion(at)gmail(dot)com |
Subject: | BUG #17066: Cache lookup failed when null (unknown) is passed as anycompatiblemultirange |
Date: | 2021-06-20 21:00:01 |
Message-ID: | 17066-16a37f6223a8470b@postgresql.org |
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Lists: | pgsql-bugs |
The following bug has been logged on the website:
Bug reference: 17066
Logged by: Alexander Lakhin
Email address: exclusion(at)gmail(dot)com
PostgreSQL version: 14beta1
Operating system: Ubuntu 20.04
Description:
When calling the simple test function:
create function multirange_test(a anycompatiblemultirange)
returns anycompatible as 'select lower($1);' language sql;
with the NULL argument:
SELECT multirange_test(null);
I get a somewhat unusual error:
ERROR: cache lookup failed for type 0
The variation with the anycompatiblerange (without multi):
create function range_test(a anycompatiblerange)
returns anycompatible as 'select lower($1);' language sql;
SELECT range_test(null);
produces:
ERROR: could not determine polymorphic type anycompatiblerange because
input has type unknown
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