Changes between Version 4 and Version 5 of FullHistory
- Timestamp:
- Jul 17, 2006, 9:19:33 PM (18 years ago)
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FullHistory
v4 v5 19 19 ||Getting the API to work as described below|| 20 20 ||Getting the code to a working state|| 21 22 === Discussion === 23 The ability to keep previous states of a table accessible is well described in Richard T. Snodgrass's (http://www.cs.arizona.edu/~rts/) "Developing Time-Oriented Database Applications in SQL" (http://www.cs.arizona.edu/people/rts/tdbbook.pdf). Adding the ability to designate a particular model as a transaction-time state table, with suitable methods added to the model's API, and with all queries defaulting to using either the current time or the latest time. 21 24 22 25 == Introduction == … … 80 83 81 84 82 === Discussion ===83 84 The ability to keep previous states of a table accessible is well described in Richard T. Snodgrass's (http://www.cs.arizona.edu/~rts/) "Developing Time-Oriented Database Applications in SQL" (http://www.cs.arizona.edu/people/rts/tdbbook.pdf). Adding the ability to designate a particular model as a transaction-time state table, with suitable methods added to the model's API, and with all queries defaulting to using either the current time or the latest time.