Satoshi Nagayasu wrote:
> Hi,
> I have been trying MADlib [1], a machine-learning library for PostgreSQL,
> and when I was tying it on 9.5 and 9.6beta2, I often got following
> error on my box.
> ------------------------------------
> : ERROR : SQL command failed:
> SQL: DROP OWNED BY madlib_19_installcheck CASCADE;
> ERROR:  could not open relation with OID 147056
> ------------------------------------
> I wonder it could be a PostgreSQL bug or not.
> AFAIK, this kind of error should not occur during regular SQL command 
> execution,
> so I guess this is a PostgreSQL bug.


> Should I dig it down deeper to reproduce in a simple procedure?

Yes, please.

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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