CouchDB中的Schemas详解

jieforest

Reminder


This trick isn't suitable for every dataset. If you modify the data by hand it is prone to error. If you have a small dataset, or only ever send a small subset of the data to the client it's massive overkill. But if you have a large dataset of machine generated data, that needs to be frequently accessed over the WAN (think a monitoring app or game) then this is a nice way to reduce storage, network IO and browser render time.

It's also worth reiterating that the schema is not enforced, you could have a square with 3 sides, and that adding strict schema enforcement with a validation function will considerably slow down insert rate.

jieforest

over.