Re: PL/pgSQL bug? - Mailing list pgsql-hackers

Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> CREATE FUNCTION myftest(INT)
> RETURNS INT
> AS '
>   UPDATE t1 SET i = 1 WHERE i = 1;
>   COPY t1 TO ''/tmp/t1.data'';
>   SELECT i FROM t1 WHERE i = (SELECT i FROM t1 WHERE i = 1);
>  '
>  LANGUAGE 'sql';

> When COPY is invoked in the function, I thought SetQuerySnapshot is
> called.

Hmm, I think you are right.  This means that calling SetQuerySnapshot
in ProcessUtility is the *wrong* place to do it; or that there should
be additional logic to suppress the call in this context.  IMHO, anyway.
        regards, tom lane