Thread

FOR PORTION OF should reject GENERATED columns

Paul A Jungwirth <pj@illuminatedcomputing.com> — 2026-05-13T15:39:43Z

On Tue, May 12, 2026 at 1:34 PM Nathan Bossart
<nathandbossart(at)gmail(dot)com> wrote:
>
> FOR PORTION OF doesn't seem to work well with virtual generated columns,
> either. The following example seg-faults on my machine:
>
> create table t (a int, b int4range generated always as (int4range(a, a + 1)) virtual);
> insert into t values (1);
> delete from t for portion of b from 1 to 2;

I posted a fix for this yesterday, but I wanted to make a separate
thread so the commitfest app could track it correctly. Here is the
start of the conversation:

https://www.postgresql.org/message-id/CA%2BrenyWqeWxSUoohRQ4htfSLCcDVsZ%3DXwVR7F8-e9GXeH_O13w%40mail.gmail.com

Yours,

-- 
Paul              ~{:-)
pj@illuminatedcomputing.com