Question

I am trying to implement a multi-tenant application, that is
– data of all clients in a single database
– each shared table has a tenant_id field to separate data

I wish to achieve data separation by adding where('tenant_id = ', $user->getTenantID()) {pseudoc-code}
to all SELECT queries
I could not find any solution up-front, but here are possible approaches I am considering.
1) crude approach:
customizing all fetchAll and fetchOne functions in every class (I will go mad!)
2) using listeners:
possibly coding for the preDqlSelect event and adding the ‘where’ to all queries
3) override buildQuery(): could not find an example of this for front-end
4) implement contentformfilter: again need a pointer

Would appreciate if someone could validate these & comment on efficieny, suitability.
Also, if anyone has achieved multitenancy using another strategy, pl share. Thanks

Answer 1

I have published the sfMultiTenantPlugin, find it here:
http://www.symfony-project.org/plugins/sfMultiTenantPlugin