Hello,
I have quite strange problem with 7.1.3.
The problem is that when I try to recreate indices in working system
(it is needed as updates are quite intensive, and you need to make indices
smaller) I realise that some queries using these indices are failed.
They are failed with error something like can not find relation <oid>.
This is understandable. Query was prepared, all oids was fixed, and between
query prepare, and execution I drop the index (I create a new one, and drop an old
one afterwards). As far as I can understand drop index should obtain exclusive lock
on table it is created on. Is it correct? The only explanation I can find is that this lock
is not obtained.
Any suggestions/comments/ideas?
BTW, using begin; lock table; create index;drop index;commit; is not working, as
create index can not detect that table is already locked by current transaction, and tries to lock it again...
This is also bug IMHO.
--
Sincerely Yours,
Denis Perchine
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