Tom Lane wrote:
> Adriaan Joubert <a.joubert@albourne.com> writes:
>
> > I saw the message about lengths in indexes,
> > but howcome this is relevant for procedures?
>
> In 6.5 (and before), there's an index on the prosrc field of pg_proc,
> ie, the definition of the procedure. There's not any real good reason
> to have such an index, so we've removed it for 7.0 ... but in 6.5 it's
> there and it creates problems if you have long procedure definitions :-(
The usage of it is only #ifdef'd out!
It's a very old standing FEATURE, that doesn't work anyhow.
It has to do with tuple set's, and as far as I read the code
in question, the (no longer supported either) nested dot
notation looked for a 'sql' language function returning a set
of tuples and created that on the fly. Therefore, it checked
by the required functions source text if it exists.
IIRC the #ifdef is somewhat like SETS_FIXED.
Jan
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