On 2014-02-04 02:10:47 -0500, Tom Lane wrote:
> Amit Kapila <amit.kapil...@gmail.com> writes:
> > In the function where it is used, it seems to me that it is setting 
> > DateStyle
> > as ISO if it is not ISO and function configure_remote_session() will set it
> > to ISO initially. So basically even if the value of DateStyle is junk, it 
> > will
> > just do what we wanted i.e setting it to ISO. Does the failure is due to 
> > reason
> > that it is not expecting DateStyle to be ISO and due to junk value of this
> > parameter it sets the same to ISO.
> 
> Meh.  It might be that the DateStyle usage in postgres_fdw would
> accidentally fail to malfunction if it saw a bogus value of the variable.
> But it's hard to believe that this would be true of MainLWLockArray.

There's not that much lwlock usage in contrib. It's just
pg_stat_statements and pg_buffercache. Neither has tests... So it very
well could be that breakage simply hasn't been observed.

Greetings,

Andres Freund

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


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