postgresql/src/interfaces/ecpg/README.dynSQL

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$PostgreSQL: pgsql/src/interfaces/ecpg/README.dynSQL,v 1.3 2008/03/21 13:23:28 momjian Exp $
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descriptor statements have the following shortcomings
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- input descriptors (USING DESCRIPTOR <name>) are not supported
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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
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(using s[n]printf), I'll leave the work to someone else.
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