Background:
There are a number of data loaders in Ofbiz including "seed" and
"seed-initial".  We use "seed-initial" as part of the database creation
which is applied to the data once one time only.  We use "seed" to ensure
that standard entities are inserted/updated each time Ofbiz starts (or for
us as part of each customer migration).

The implication of this is that "seed-initial" will be standard entities
that are loaded, but we do not want to seed them each time (often because
the user in Ofbiz may modify these entities).

Requirement:
We have situations where we have entities that need to be seeded as
"seed-initial" but they are added after the fact and need to be applied to
customer deployments.  Here is a theoretical example, I put a ProductStore
in my "seed-initial" and a customer provisions a deployment and gets seeded
with that store.  Later on we decide that we should seed two stores for all
our customers so we create a second store in "seed-initial".  The trouble is
that we can not execute seed-initial again, and it does not make sense to
put this second store in "seed" (because we do not want it to be updated on
a future seed).

Potential Solution:
We considered the idea of making "seed-initial" strictly INSERT (not UPSERT
as it is now) but we are leaning towards adding a "keyword" to the seed
entities that allows that entity to "insert-only".  The benefit of the
second approach, is that we can can keep things like the product store
"contextually close" to other seeded data preventing the split between
"seed" and "seed-initial".

Looking for some thoughts on this.  Perhaps there is another way to get
"insert-only" type entities to be seeded that I have not found or perhaps
there exists some configuration for each data loader.
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