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	Since commit 868898739a, it has assumed
"localhost" resolves to both ::1 and 127.0.0.1.  We gain nothing from
that assumption, and it does not hold in a default installation of Red
Hat Enterprise Linux 5.  Back-patch to 9.3 (all supported versions).
		
	
src/interfaces/ecpg/README.dynSQL
descriptor statements have the following shortcomings
- input descriptors (USING DESCRIPTOR <name>) are not supported
  Reason: to fully support dynamic SQL the frontend/backend communication
          should change to recognize input parameters.
          Since this is not likely to happen in the near future and you
          can cover the same functionality with the existing infrastructure
          (using s[n]printf), I'll leave the work to someone else.