Dear Thomas,
In message <52d59d74.6000...@mtl.mit.edu> you wrote:
>
> > Do you have any idea why this would happen? Is this something I can
> > influence?
> > Are there any other variables that might hit by similar issues?
>
> I can't say exactly why it happened to you but my guess would be that
> this problem could hit anyone porting from mysql to postgres. I'm not
> familiar with the Bacula procedure for doing that (if you used one) but
I didn't use any precanned procedure (is there one? I mean a
recommended/working one?). Basically whay I did is dumping the DB
under MySQL:
mysqldump -t -n -c \
--compatible=postgresql \
--skip-quote-names --skip-opt --quick \
--disable-keys --lock-tables \
--password=XXX bacula
and then importing the dump into PostgreSQL. Hm... Thinking about
that.. I did initialize the PostgreSQL DB using the Bacula provided
"create_bacula_database", "make_bacula_tables" and
"grant_bacula_privileges" scripts.
> any Postgres sequence creations during the Postgres DB setup would more
> than likely be created with a default starting value of 1 - but if
> you've already got data in your database (migrated over from Mysql) then
> all sequences would need to be seeded properly. The bad news for you
> may be that almost all of the Bacula tables have sequences to generate
> their id fields.
>
> client
> file
> filename
> path
> job
> jobmedia
> fileset
> media
> pool
Ouch... You are right, I see the same with clientid: max=33, but
client_clientid_seq last_value=1 :-(
> > Sorry, my DB / sql knowledge is somewhat limited (read: non-existient).
> > Could you please be so kind and tell me how I could fix that?
>
> Well, if your DB knowledge is limited then you may want to consult
> someone in your location who may be able to assist. Given that, I'll
Heh. There is none... That's why I'm asking here...
> say the next part with the usual "use at your own risk" disclaimer. To
> change the last_value field of a Postgres sequence, you need to use the
> Postgres alter sequence command
>
> e.g.
>
> alter sequence fileset_filesetid_seq restart with 76;
I tried that, but it fails:
Enter SQL query: alter sequence fileset_filesetid_seq restart with 76;
Query failed: ERROR: must be owner of relation fileset_filesetid_seq
I ran this under "bconsole", i. e. as user bacula - is this not the
right thing to do?
> This may be dependent on your version of Postgres. I am using 9.1.x and
> am looking at the following documentation:
I'm running postgresql-9.3.2 under Fedora 20 / x86_64.
> http://www.postgresql.org/docs/9.1/static/sql-altersequence.html
>
> I would then redo that above procedure for each of the sequences for
> each of the Bacula tables (querying to get the max value currently used
> and then resetting the last_value field to <max value> + 1).
Wii trry that - if I manage ti fiure out how to solve this "must be
owner" issue.
After reading some docs I tried this:
SELECT c.relname,c.relowner FROM pg_class c WHERE c.relkind = 'S';
+-----------------------------------+----------+
| relname | relowner |
+-----------------------------------+----------+
| filename_filenameid_seq | 10 |
| job_jobid_seq | 10 |
| location_locationid_seq | 10 |
| restoreobject_restoreobjectid_seq | 10 |
| fileset_filesetid_seq | 10 |
| client_clientid_seq | 10 |
| media_mediaid_seq | 10 |
| jobmedia_jobmediaid_seq | 10 |
| mediatype_mediatypeid_seq | 10 |
| device_deviceid_seq | 10 |
| basefiles_baseid_seq | 10 |
| locationlog_loclogid_seq | 10 |
| log_logid_seq | 10 |
| path_pathid_seq | 10 |
| pool_poolid_seq | 10 |
| file_fileid_seq | 10 |
| storage_storageid_seq | 10 |
+-----------------------------------+----------+
OK, now I know which sequences I have to check, but I still don't know
what owner "10" means...
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
Brain: an apparatus with which we think we think. - Ambrose Bierce
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