Foreign Key violated - Mailing list pgsql-general

From Keith Fiske
Subject Foreign Key violated
Date
Msg-id CAG1_KcBWKdhLzPOpPZFV=NVeSwV+TN-8QuJoUn=FwgFZrk99xQ@mail.gmail.com
Whole thread Raw
Responses Re: Foreign Key violated
Re: Foreign Key violated
List pgsql-general
Client reported an issue where it appears a foreign key has been violated

prod=#\d rma_items
[snip]
rma_items_rma_id_status_fk" FOREIGN KEY (rma_id, rma_status) REFERENCES rmas(id, status) ON UPDATE CASCADE ON DELETE CASCADE

prod=# select i.rma_id, i.rma_status, r.id, r.status from rmas r join rma_items i on i.rma_id = r.id and i.rma_status != r.status;
   rma_id   | rma_status |     id     | status
------------+------------+------------+--------
 1008122437 | r          | 1008122437 | c
(1 row)


Attempting to reinsert this data again causes a violation error, so it doesn't appear to be broken

prod=# begin;
BEGIN
prod=# insert into rma_items (rma_id, order_item_id, return_reason_id, rma_status) values (1008122437, 1007674099, 9797623, 'r');
ERROR:  insert or update on table "rma_items" violates foreign key constraint "rma_items_rma_id_status_fk"
DETAIL:  Key (rma_id, rma_status)=(1008122437, r) is not present in table "rmas".
prod=# rollback;
ROLLBACK

This is running 9.2.4 on CentOS. If anyone can suggest how I can look into this deeper and find what the problem may be, I'd appreciate it. I'm here at PGCon if anyone is available to help IRL as well

--
Keith Fiske
Database Administrator
OmniTI Computer Consulting, Inc.
http://www.keithf4.com

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