On Sat, Oct 6, 2012 at 3:45 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Atri Sharma <atri(dot)jiit(at)gmail(dot)com> writes:
>> I am trying to identify foreign scans uniquely.
> What do you mean by "identify"? What are you trying to accomplish,
> and in what context?
> regards, tom lane
I am trying to identify the situation where a query has multiple
foreign scans.In that case,I need to check whether the current scan is
the same as a previous scan or not.If not,then I think it means that
multiple scans are in progress on the same backend.
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