Re: Bug in documentation: https://www.postgresql.org/docs/current/spi-examples.html

Tom is correct. It appears that nobody tested this example, which by the way seems unnecessarily complicated.

Sent from my iPhone

> On Jul 17, 2023, at 6:22 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
>>> On Mon, Jul 17, 2023 at 4:53 PM Curt Kolovson <ckolovson(at)gmail(dot)com> wrote:
>>> The actual results (shown below) are different than shown on this doc
>>> page.
>
>> SPI_exec sees "INSERT 0 2" as the command tag from the SQL command you
>> passed and so 2 is the output of the execq function call.
>> No INFO messages appear because you did not include a returning clause.
>> The 1 you passed to the call is immaterial if the query you supply doesn't
>> produce a result set.
>
> I think his point is that this example does not behave as the
> documentation claims. Which it does not, according to my
> tests here. I find this a bit disturbing --- did we intentionally
> change the behavior of SPI_exec somewhere along the line?
>
> regards, tom lane