I can reproduce this on 9.4 on Debian Linux.
This relates to a question on Stack Overflow: http://stackoverflow.com/q/39550510/50552
The row seems to be dropped from the result set after the query waits on the lock.
Cheers,
Andomar
> On 19 Sep 2016, at 18:01, imyfess(at)gmail(dot)com wrote:
>
> 14328