On Nov 5, 2010, at 12:36 PM, Alvaro Herrera wrote:

> Hi,
> 
> A customer of ours has the need for temporary functions.  The use case
> is writing test cases for their databases: the idea being that their
> code creates a temp function which then goes away automatically at
> session end, just like a temp table.  It's said that this makes things
> generally easier for the test harness.

This is one reason why I recommend that pgTAP tests run inside a transaction.

> Other object types that would also be useful to have as temp-able are
> types, domains and casts; and perhaps (if someone sees a need)
> aggregates and operators.  Other objects are not necessary, but if
> someone thinks that some more stuff should be made temp-able, we'd try
> to go for as general a solution as possible.  But these aren't critical;
> functions are the main pain point.

Running the tests inside a transaction gives you this for free, right now -- 
*and* leaves the database in a known state at the end (modulo sequences).

Can you just use transactions?

Best,

David

PS: What test framework and harness are you using?
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