On Thu, Sep 8, 2022 at 11:30:04AM -0400, Tom Lane wrote:
> Robert Haas <[email protected]> writes:
> > On Thu, Sep 8, 2022 at 7:24 AM Peter Eisentraut
> > <[email protected]> wrote:
> >> On 03.09.22 03:58, Bruce Momjian wrote:
> >>> + While <literal>RECURSIVE</literal> allows queries to be specified
> >>> + recursively, internally all queries are evaluated iteratively.
>
> >> Is that true? Surely there is some recursive behavior in the executor.
>
> > I haven't read the patch, but I think the claim shown here is correct.
>
> I'd be happier if it read "such queries" instead of "all queries".
> The latter is an extremely broad claim, and you have to ignore cases
> like recursive SQL functions in order to even argue it's true.
Done in the attached applied patch.
--
Bruce Momjian <[email protected]> https://momjian.us
EDB https://enterprisedb.com
Indecision is a decision. Inaction is an action. Mark Batterson
diff --git a/doc/src/sgml/queries.sgml b/doc/src/sgml/queries.sgml
index 4c5a83c9cb..95559ef1ac 100644
--- a/doc/src/sgml/queries.sgml
+++ b/doc/src/sgml/queries.sgml
@@ -2173,7 +2173,7 @@ SELECT sum(n) FROM t;
<note>
<para>
While <literal>RECURSIVE</literal> allows queries to be specified
- recursively, internally all queries are evaluated iteratively.
+ recursively, internally such queries are evaluated iteratively.
</para>
</note>
