20:19 <noodlesz> I have a table of addresss, I want to associated one address to a person as home, another address as work, another address as mailing, etc. This old post (used to be) is exactly what I'm trying to achieve but it appears to no longer work.

20:19 <noodlesz> https://stackoverflow.com/questions/5724868/multiple-has-1-associations-in-datamapper/5737414#5737414

20:20 <onewheelskyward> What about in-table differentiation?

20:20 <noodlesz> running the code in the answer I get const_missing unitialized constant Person::Address name error

20:21 <noodlesz> im not familiar with in-table differentiation.. ill google

20:22 <onewheelskyward> hang on lemme find it.

20:22 <noodlesz> onewheelskyward, do you happen to have a link to an example

20:22 <onewheelskyward> Yes, there's one in the docs if I recall correctly.

20:23 <onewheelskyward> Single table inheritance. Not sure it'll work for your use case but, maybe? http://datamapper.org/docs/misc.html

20:23 <noodlesz> hmm

20:24 <noodlesz> so just make a bunch of tables and have a couple of has 1, ...

20:24 <onewheelskyward> I'd either go that way or have WorkAddress and HomeAddress that extend Address, that way you can maintain the data structure and it's a bit more clean than having a bunch of optional relationships that aren't optional at all.

20:25 <onewheelskyward> Oh wait, what I just described is single-table inheritance. :)

20:25 <noodlesz> haha okay I was a little confused

20:26 <onewheelskyward> Sorry, I spoke before reading. :)

20:27 <noodlesz> okay this may be a problem. Just looking at the data structure that was created

20:28 <noodlesz> the addresses table has a person_id field

20:28 <noodlesz> where as any single address can belong to several people

20:30 <noodlesz> onewheelskyward, could you take a guess as to what is invalid about the answer from stackoverflow?

20:31 <onewheelskyward> Sounds like you got your relations backwards.

20:32 <noodlesz> ahhh

20:32 <noodlesz> confusing, think i got it. Thank you onewheelskyward

20:37 <onewheelskyward> excellent!