Re: pg_dump crashes

On 5/22/20 8:17 AM, Nico De Ranter wrote:
>
>
> On Fri, May 22, 2020 at 5:14 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 5/22/20 8:05 AM, Nico De Ranter wrote:
> >
>
> >
> >     Assuming the above matches:
> >
> >     COPY public.file (fileid, fileindex, jobid, pathid, filenameid,
> >     deltaseq, markid, lstat, md5)
> >
> >     the '????????????????????' would be for the md5 field. I'm
> going to say
> >     that is important.
> >
> >
> > But that would be content of the database only. The should matter
> for
> > the application but not for a dump of the database, right?
>
> Also what does:
>
> \d public.file
>
> show?
>
> In particular are there any triggers on the table?
>
>
> bacula=# \d public.file
>                                  Table "public.file"
>    Column   |   Type   | Collation | Nullable |               Default
> ------------+----------+-----------+----------+--------------------------------------
>  fileid     | bigint   |           | not null |
> nextval('file_fileid_seq'::regclass)
>  fileindex  | integer  |           | not null | 0
>  jobid      | integer  |           | not null |
>  pathid     | integer  |           | not null |
>  filenameid | integer  |           | not null |
>  deltaseq   | smallint |           | not null | 0
>  markid     | integer  |           | not null | 0
>  lstat      | text     |           | not null |
>  md5        | text     |           | not null |
> Indexes:
>     "file_pkey" PRIMARY KEY, btree (fileid)
>     "file_jobid_idx" btree (jobid)
>     "file_jpfid_idx" btree (jobid, pathid, filenameid)
>
>
>
> Following up on the max(bigint), I tried
>
>    SELECT md5 FROM public.file where fileid >2087994666;
>
> and got
>
>    ERROR:  compressed data is corrupted
>
> So it does look like those entries are killing it.  Now for the
> million-dollar question: how do I get them out?

Do you have recent previous backup?

>
> Nico
>
> --
>
> Nico De Ranter
>
> Operations Engineer
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com