Re: Help with SET TRANSACTION in a function

On Thu, 2002-02-28 at 16:57, OtisUsenet wrote:
> This is the simple_fun function that is causing the above error:
> 
> CREATE FUNCTION simple_fun() RETURNS INTEGER AS '
> BEGIN
>   SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
>   BEGIN;
>   RETURN 1;
>   END;
> END;
> ' LANGUAGE 'plpgsql';
> 
> This is as simple as it gets.
> I think my syntax is correct (I checked Practical PostgreSQL
> book as well as a number of 7.2 PDF documents, etc.).
> 
> Am I missing a secret ingredient here?

A function already happens inside a transaction, whether implicit or
explicit.  You cannot start another transaction inside it; PostgreSQL
does not support nested transactions.

-- 
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C

     "Give, and it will be given to you. A good measure, 
      pressed down, taken together and running over, 
      will be poured into your lap. For with the same 
      measure that you use, it will be measured to 
      you."         Luke 6:38