Re: deferred constraints failing on commit - Mailing list pgsql-sql

From Stephan Szabo
Subject Re: deferred constraints failing on commit
Date
Msg-id Pine.BSF.4.21.0101160851030.20590-100000@megazone23.bigpanda.com
Whole thread Raw
In response to deferred constraints failing on commit  ("Michael Richards" <michael@fastmail.ca>)
List pgsql-sql
Can you send the full schema of the tables you are using for
this?  

On Tue, 16 Jan 2001, Michael Richards wrote:

> Hi.
> 
> I'm having trouble with committing a transaction. Intuitively it 
> should work but does not.
> 
> I've got a table with 2 foreign keys, minrev and maxrev. They refer 
> to a the revisionid value in another table. I need to update the 
> second table to reduce the revisionid, then insert a new row. At the 
> end of this all the keys match up yet the commit fails.
> 
> urdr=> begin;
> BEGIN
> urdr=> update objects set revisionid=2 where id=2 and 
> revisionid=99999999;                                                  
>                                
> UPDATE 1
> urdr=> insert into objects 
> (id,typeid,repositoryid,parentid,deleted,permissions,revisionid,name) 
> values (2,2,1,NULL,'f',NULL,99999999,'test.sql');         
> INSERT 246107 1
> urdr=> select id,revisionid from objects;                             
>  id | revisionid 
> ----+------------
>   1 |   99999999
>   2 |          1
>   2 |          2
>   2 |   99999999
> (4 rows)
> urdr=> select * from objcatalog ;
>  objectid | repositoryid |  minrev  |  maxrev  |   key    |  data    
> ----------+--------------+----------+----------+----------+----------
>         2 |            1 | 99999999 | 99999999 | mimetype |text/plain
> (1 row)
> 
> urdr=> commit;
> ERROR:  <unnamed> referential integrity violation - key in objects 
> still referenced from objcatalog
> 
> At commit all the keys check out properly. minrev and maxrev both 
> point to the same revisionid in the row we just inserted.
> 
> Is this a bug or me just misreading how things should work again?
> 
> -Michael
> _________________________________________________________________
>      http://fastmail.ca/ - Fast Free Web Email for Canadians
> 



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