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
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     "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