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Re: deadlock of lock-waits (on transaction and on tuple) using same update statement

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Andrej Vanek wrote:
> Hi,
> 
> 
> now I've checked release-notes of 9.3.5 (my version 9.3.4)- found a fix
> which probably could lead to my deadlocks:
> 
> > Fix race condition when updating a tuple concurrently locked by another
> > process (Andres Freund,Álvaro Herrera)
> 
> How can I make sure I've run into this bug?

Update and see if you can reproduce the bug there.  If you can, let us
know; I didn't trace through your example and won't unless you confirm
it's still an issue.

It's a bad idea to run any 9.3 version other than the latest one.  There
are some ugly bugs in there.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services


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