From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Brokenness in dump/restore for GENERATED expressions |
Date: | 2020-02-03 13:19:11 |
Message-ID: | b12824c5-c441-a4f9-4dc4-389c58dc0db0@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 2020-01-30 19:54, Tom Lane wrote:
> Using today's HEAD, the regression database cannot be dumped and
> restored normally. Since the buildfarm isn't all red, I suppose
> it works in --binary-upgrade mode ... but if I just do
>
> $ make installcheck # to set up the test database
> $ pg_dump -Fc regression >r.dump
> $ createdb r2
> $ pg_restore -d r2 r.dump
>
> I get
>
> pg_restore: while PROCESSING TOC:
> pg_restore: from TOC entry 6016; 2604 24926 DEFAULT gtest1_1 b postgres
> pg_restore: error: could not execute query: ERROR: column "b" of relation "gtest1_1" is a generated column
> Command was: ALTER TABLE ONLY public.gtest1_1 ALTER COLUMN b SET DEFAULT (a * 2);
>
>
> pg_restore: from TOC entry 6041; 2604 25966 DEFAULT gtest30_1 b postgres
> pg_restore: error: could not execute query: ERROR: cannot use column reference in DEFAULT expression
> Command was: ALTER TABLE ONLY public.gtest30_1 ALTER COLUMN b SET DEFAULT (a * 2);
This is the same issue as
<https://www.postgresql.org/message-id/15830.1575468847@sss.pgh.pa.us>.
I will work in it this week.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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