Re: How to drop a temporary view?

From: Vincenzo Romano <vincenzo(dot)romano(at)notorand(dot)it>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Merlin Moncure <mmoncure(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: How to drop a temporary view?
Date: 2012-04-20 16:26:56
Message-ID: CAHjZ2x4BH-mqbtoqEvW0T4Yxzt3SwrudenDtojGAJ-LSnB5_-g@mail.gmail.com
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2012/4/20 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Merlin Moncure <mmoncure(at)gmail(dot)com> writes:
>> On Fri, Apr 20, 2012 at 10:51 AM, Vincenzo Romano
>> <vincenzo(dot)romano(at)notorand(dot)it> wrote:
>>> Ok. That works. How can I know if there's a temporary view with the
>>> same name in my session?
>
>> well, arguably you should already know somehow.  but if you don't,
>> query information_schema.views for a table_name with a table_schema
>> LIKE 'pg_temp%'.
>
> Not sure that is safe --- won't the info schema also show temp views
> of other sessions?
>
> You might be able to use "DROP VIEW pg_temp.foo", which will either
> drop a temp view of your own session or throw an error if there is none.
>
>                        regards, tom lane

Cool! It works, despite my temporary schema should be now pg_temp_29!
It's at chapter 18.11.1 (my fault for not searching enough).

Thanks a lot Tom.

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