Hi guys,

I have this entity:

House {
- country
- state
- address
- owner
- ...
}

Since I will *always* limit queries to be inside specific country
+state combo, would it be more efficient (faster, smaller datastore,
smaller index) if I just shard them into different entities? E.g.:

HouseBaId (for houses in Bali, Indonesia), HouseTxUs (for houses in
Texas, US), etc.

Query-wise, it is shorter, e.g. "select * from HouseUsTx" instead
"select * from House where country = 'us' and state = 'tx".

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