Re: dsm_unpin_segment

On 8/9/16 1:01 PM, Robert Haas wrote:
> However, I don't see the need for a full-blown request
> counter here; we've had this API for several releases now and to my
> knowledge nobody has complained about the fact that you aren't
> supposed to call dsm_pin_segment() multiple times for the same
> segment.

Could a couple of static variables be used to ensure multiple pin/unpin 
and attach/detach calls throw an assert() (or become a no-op if asserts 
are disabled)? It would be nice if we could protect users from this.
-- 
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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