On Tue, May 5, 2009 at 9:45 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> 1. Why should it do nothing if the object already exists (as opposed
>> to any other alternative)?
>
>> Answer: Because that's what "CREATE IF NOT EXISTS" means when
>> interpreted as English.
>
> The argument was not about whether that is the "plain meaning" of the
> phrase; it was about whether that is a safe and useful behavior for a
> command to have. There is a pretty substantial group of people who
> think that it would be quite unsafe, which is why we failed to arrive
> at a consensus that this is a good thing to implement.
Who are these people other than you, and did you read the rest of my email?
...Robert