How to add relationships between custom post types?

April 13, 2022 by Tarik Billa

Ideally, you’d want to cast your vote into adding the infamous post2post relationship, which is still missing:

In the meanwhile, the workarounds are three:

Map your posts to specially crafted taxonomies. (slow)
Store relationships in postmeta. (very slow if you ever need to use that in a join statement)
Create your own post2post table.