update readme with copyright, remove design notes
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README.md
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README.md
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# views
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A Clojure library designed to ... well, that part is up to you.
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Eventually consistent external materialized views for SQL databases.
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## Design
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Subscription
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* subscribe to a view
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* unsubscribe from a view
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* remove all subscriptions (disconnect)
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* get set of subscribed views
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Deltas
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* send deltas
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* broadcast deltas
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* receive deltas ( receive deltas from any other clients and broadcast out to subscribers a.k.a. broadcast deltas )
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DB
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* calculates pre-delta checks (heuristic optimization)
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* calculates actual deltas
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* different heuristics for inserts, updates, and deletes
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* different properties for outer joins
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* pre-checks and delta calculations are coupled:
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- we don't know if we need to calculate insert deltas until we do the insert and see if the result affects a view
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How should DB code work?
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- separate namespaces for insert, update, delete?
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- low-level db actions (execute/query/transaction/etc.) should be separate namespace?
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- initial view computing (view map, args, etc.) should be separate namespace?
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TODO
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## Usage
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FIXME
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TODO
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## License
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Copyright © 2014 FIXME
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Copyright © 2014 DiligenceEngine
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Authors Dave Della Costa (https://github.com/ddellacosta) and Alex Hudek (https://github.com/akhudek)
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Distributed under the Eclipse Public License either version 1.0 or (at
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your option) any later version.
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