Search Postgresql Archives

Re: ON DELETE CASCADE Question

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 11/04/2013 11:44 AM, Jason Long wrote:
I would like for corresponding records in t_a to be deleted when I
delete a record from t_b.  This deletes from t_b when I delete from t_a,
but not the other way around.  I am unable to create a foreign key
constraint on t_a because this table holds records from several other
tables.

I am not sure how this is a problem? If you propose to delete a value from t_a and that value is used by other tables how is the manner of its deletion relevant?

I added a simple script below that demonstrates my problem.

Any suggestions?




--
Adrian Klaver
adrian.klaver@xxxxxxxxx


--
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux