Re: DROP SCHEMA xxx CASCADE: ERROR: could not open relation with OID yyy

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От strk
Тема Re: DROP SCHEMA xxx CASCADE: ERROR: could not open relation with OID yyy
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Msg-id 20110207141436.GG34837@keybit.net
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Ответ на Re: DROP SCHEMA xxx CASCADE: ERROR: could not open relation with OID yyy  (strk <strk@keybit.net>)
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I've uploaded also the script output ( CASCADE traces ) :
http://strk.keybit.net/tmp/could_not_open_relation.sqlhttp://strk.keybit.net/tmp/could_not_open_relation.log

And realized that the relation oid is the one first
requested for deletion. Ie:
DROP TABLE XXX CASCADE;..ERROR:  could not open relation with OID XXX:regclass::oid

I've found two ways to avoid the error:

1. Perform the DROP TABLE outside the transaction triggering its creation
2. Avoiding population of the table being dropped (the AddEdge call)

Note that the 'edge_data' table has a foreign key to itself, and the
constraint is initially deferred (may have a role here, I guess ?)
 "next_left_edge_exists" FOREIGN KEY (abs_next_left_edge)     REFERENCES.edge_data(edge_id)     DEFERRABLE
INITIALLYDEFERRED, "next_right_edge_exists" FOREIGN KEY (abs_next_right_edge)     REFERENCES edge_data(edge_id)
DEFERRABLE    INITIALLY DEFERRED
 

--strk;
 ()   Free GIS & Flash consultant/developer /\   http://strk.keybit.net/services.html


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