Re: [RFC] Removing "magic" oids

On 11/20/18 7:07 PM, Andres Freund wrote:
>
>
> Let's see what I broke :/
>

pg_upgrade against old versions, by the look of it. Even after I drop
oids from user tables, I get errors like this when running pg_dumpall
against a pg_upgraded REL_9_4_STABLE datadir:

2018-11-21 13:01:58.582 EST [11861] ERROR:  large object 10 does not exist
2018-11-21 13:01:58.637 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:01:58.637 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:01:59.638 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:01:59.638 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:01:59.638 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:01:59.638 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:00.493 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:00.639 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:00.639 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:00.639 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:00.639 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:01.495 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:01.640 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:01.640 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:01.641 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:01.641 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:02.496 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:02.642 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:02.642 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:02.642 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:02.642 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:03.497 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:03.643 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:03.643 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:03.643 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:03.643 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:04.498 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:04.644 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:04.644 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:04.644 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:04.644 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:05.499 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:05.645 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:05.645 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:05.645 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:05.645 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:06.501 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:06.646 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:06.646 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:06.646 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:06.646 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:07.502 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:07.648 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:07.648 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:07.648 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:07.648 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.
2018-11-21 13:02:08.503 EST [11688] ERROR:  could not open file
"global/1262": No such file or directory
2018-11-21 13:02:08.649 EST [11686] ERROR:  could not open file
"base/17486/2840_vm": No such file or directory
2018-11-21 13:02:08.649 EST [11686] CONTEXT:  writing block 0 of
relation base/17486/2840_vm
2018-11-21 13:02:08.649 EST [11686] WARNING:  could not write block 0 of
base/17486/2840_vm
2018-11-21 13:02:08.649 EST [11686] DETAIL:  Multiple failures --- write
error might be permanent.

cheers

andrew

--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services