On Wed, Mar 23, 2016 at 8:21 AM, Merlin Moncure <mmonc...@gmail.com> wrote:
> I'm not understanding the objection at all. You have N client
> sessions connecting to the database that all utilize the same named
> prepared statement. A typical pattern is for the application to
> prepare them all upon startup, but currently each PREPARE needs to be
> wrapped with an exception handler in case someone else prepared it
> first. Having an IF NOT EXISTS decoration simplifies this. This can
> happen both inside and outside of connection pooling scenarios.
I'm walking that back a bit -- this is only interesting in pooler
scenarios, especially pgbouncer where you have no way of knowing if
the statement is created or not. Of course, you can always re-prepare
them following a discard but that's quite pessimal in many cases.
Still, I've often wanted this exact feature.
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