Ask HN: PG temporal schema using inheritance and the rule system
I have implemented a proof-of-concept of a SCD type 2 temporal database system (with valid-time only) using postgres' table inheritance, exclude constraints and the rule system.
I am planning to use this system as a backend for a set of Active Record classes (in a Ruby on Rails application).
The code and a quick discussion is here: https://gist.github.com/2563820
Which pitfalls am I overlooking?
Thanks,
~vjt
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