On 11.3.2015 21:53, Tom Lane wrote:
> Tomas Vondra writes:
>> I've been experimenting with using CustomScan to inject nodes into the
>> plan - I'm experimenting a bit, and this seemed like a nice way to do
>> that in an extension, outside the tree.
>
>> Sadly set_rel_pathlist_hook is not flexible
Tomas Vondra writes:
> I've been experimenting with using CustomScan to inject nodes into the
> plan - I'm experimenting a bit, and this seemed like a nice way to do
> that in an extension, outside the tree.
> Sadly set_rel_pathlist_hook is not flexible enough, because it only
> allows overriding
On Wed, Mar 11, 2015 at 3:48 PM, Tomas Vondra
wrote:
> The one problem with this 'combined' solution however is that CustomScan
> requires scanrelid - a valid index into the range table. When injecting
> the node directly above a Scan node, that seems to work just fine (just
> use the same value),
Hi there,
I've been experimenting with using CustomScan to inject nodes into the
plan - I'm experimenting a bit, and this seemed like a nice way to do
that in an extension, outside the tree.
Sadly set_rel_pathlist_hook is not flexible enough, because it only
allows overriding paths for base relat
