question about polymorphic association
for instance, I have 2 model `Drummer` and `Video`

If I use one-to-many association `drummer has_many videos`, and `video belongs_to drummer`,

So I can use the method in both side: `video.drummers` or `drummer.videos`

But when I use polymorphic association, which I think the right to for this, because, there will be a lot model have video, it makes sense make the video model polymorphic

I can use `drummer.videos`,
But I don't know how to get which drummer the video belongs to

`video.drummer` doesn't work,

anybody could tell me how to do this, and what's other methods I can use after I set up the association.

Thanks

question about polymorphic association
===

for instance, I have 2 model `Drummer` and `Video`

If I use one-to-many association `drummer has_many videos`, and `video belongs_to drummer`,

So I can use the method in both side: `video.drummers` or `drummer.videos`

But when I use polymorphic association, which I think the right to for this, because, there will be a lot model have video, it makes sense make the video model polymorphic

I can use `drummer.videos`,
But I don't know how to get which drummer the video belongs to

`video.drummer` doesn't work,

anybody could tell me how to do this, and what's other methods I can use after I set up the association.

Thanks
