"It is time for Postgres to care about customers!"

Wow. It's one thing to create value on top of one of the most respected open source projects in a field, it's quite another to bash it as the opening sentence of your blog post.

It really rubs me the wrong way.

I am really struggling to understand what this does differently than pg. Is it hiding the virtualization when you query? I guess it simplifies sharding of tenants?

Your NodeJS example shows a tenant table and a join using tenant id.

> SELECT tenants.name, title, estimate, complete FROM todos join tenants on tenants.id = todos.tenant_id;

How is this any different? Did it automatically setup RLS?

Don't overthink unless you really need it.

Use a single database and RLS + session id to ensure queries already come filtered for that tenant without the need to add "where tenant_id = ?" around the application layer.

Sheesh. Just use a separate schema per tenant.

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