[Bucardo-general] DBGroup fail - insert or update on table "sync" violates foreign key constraint "sync_targetdb_fk"

[Michelle Sullivan]

Jonathan Brinkman wrote:
> Hi there
> I am still having a problem using DBGroup to clone 2 push-delta syncs.
> I set it up like instructed, but am getting this error on creating the sync:
> Failed to add sync: DBD::Pg::st execute failed: ERROR:  insert or update on
> table "sync" violates foreign key constraint "sync_targetdb_fk"
> DETAIL:  Key (targetdb)=(fgcc_gates) is not present in table "db". at
> /usr/local/bin/bucardo_ctl line 3362.
>
> But "fgcc_gates" IS present in the DBgroup table, and there are 2 rows in
> the dbmap table whose db fields match the db names in the DB table
> precisely.
>
> Here is my exact build-process up to the "add sync" where it breaks:
> bucardo_ctl add all tables herd=cmsfgcc_main_to_gate db=cmsfgcc_main
> bucardo_ctl add all sequences herd=cmsfgcc_main_to_gate db=cmsfgcc_main
> psql -U bucardo bucardo -c "delete from herdmap where goat not in ( select
> id from bucardo.goat where tablename IN 
> (
> 'admin_XYP',
> TABLES & SEQUENCES HERE
> )) ;"
>
> psql -U bucardo bucardo -c "INSERT INTO dbgroup (name, cdate) VALUES
> ('fgcc_gates', NOW()); "
>
> psql -U bucardo bucardo -c "INSERT INTO dbmap (db, dbgroup, priority, cdate)
> VALUES ('cmsfgcc_gate1', 'fgcc_gates', 1, NOW()),('cmsfgcc_gate2',
> 'fgcc_gates', 1, NOW()); "
>
> bucardo_ctl add sync cmsfgcc_pushdelta_main_to_gates
> source=cmsfgcc_main_to_gate targetdb=fgcc_gates type=pushdelta
>
>
> I must be missing something here.
> THANK YOU!!!
> J
>
>
> -----Original Message-----
> From: Michelle Sullivan [mailto:michelle at sorbs.net] 
> Sent: Saturday, August 10, 2013 8:24 AM
> To: Jonathan Brinkman
> Cc: bucardo-general at bucardo.org
> Subject: Re: [Bucardo-general] duplicate key value violates unique
> constraint "bucardo_sequences_tablename"
>
> Jonathan Brinkman wrote:
>   
>> That's clever, thank you.
>> I am using 4.5.0
>> How did you create the DBGroup with bucardo_ctl?
>> There are 4 syncs total, 2 are push from Master to the slaves as 
>> discussed, and 1 push-delta sync comes from each slave to Master. 
>> Those other 2 (from slave to master) work fine.
>>   
>>     
>
> I didn't use bucardo_ctl (as I said) I did it in the DB...
>
> psql -U bucardo bucardo will get you in there...
>
> Then something like this shoudl work:
>
> BEGIN;
> INSERT INTO dbgroup (name, cdate) VALUES ('mydbseqsyncgrp', NOW()); INSERT
> INTO dbmap (db, dbgroup, priority, cdate) VALUES ('cmsfgcc_gate1',
> 'mydbseqsyncgrp', 1, NOW()),('cmsfgcc_gate2', 'mydbseqsyncgrp', 1, NOW());
> COMMIT;
>
> Then add your sync with:
>
> bucardo_ctl add sync cmsfgcc_pushdelta_gates_to_main source=cmsfgcc_main
> targetdb=mydbseqsyncgrp type=pushdelta
>
>
>
> ... However, just re-reading your setup (I only quickly skimmed it at
> first)... have you checked it's right...?
>
> bucardo_ctl add sync cmsfgcc_pushdelta_gate2_to_main
> source=cmsfgcc_gate2_to_main targetdb=cmsfgcc_main type=pushdelta
> bucardo_ctl add sync cmsfgcc_pushdelta_gate1_to_main
> source=cmsfgcc_gate1_to_main targetdb=cmsfgcc_main type=pushdelta
>
>
> Both your targetdbs are the same... that doesn't look right ... perhaps you
> meant to add them the other way around where the source is cmsfgcc_main and
> the targets are to be gate1 and gate2...?
>   

Try targetgroup=cmsfgcc .. (
http://bucardo.org/wiki/Bucardo_ctl#Adding_a_sync )

-- 
Michelle Sullivan
http://www.mhix.org/