I know what you mean...It does seem to be a problem.
In this image I created a simple column.
First in the OIP Render tab I set the texture to Brick,
got this, with the shaft brick going vertical, no attribute mapping to correct it.
Then, using the new VW2009 "Get Finishes/Classes" settings, set shaft to a finish
class, and set that class with a brick texture. In this one I set the OIP Render tab
to a concrete texture, that is where the capitol is getting its texture.
This is what you get. No way of correcting this as far as I can tell it is a bug.
Lastly, a work-around that seems to work...but not quite:
In Resource Browser, duplicate the brick texture I am working with. Edit this
duplicate, and rotate the image 90?. Now assign this "Rotated" Brick texture
as the OIP Render tab texture. Use finishes for the base and capitol, trouble is
now they don't render properly...see how the concrete texture is not applied
correctly? Hmm.
In conclusion...
So...the "Get Finishes/Classes" thing does not work right, and if you are going to
set the texture using just the OIP Render tab you need to edit the texture resource
itself since there is no attribute mapping available for the Column PIO.
Therefore:
Better off using the Wall tool to make your columns. You get the advantage of
being able to easily map textures, and just create Classes to handle the bases and capitols (also just little wall objects). Here is an example using the wall tool: