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Labs/Bespin/DesignDocs/TimeMachine: Difference between revisions
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Labs/Bespin/DesignDocs/TimeMachine (view source)
Revision as of 12:44, 10 September 2009
, 10 September 2009→Data Storage
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Where: | Where: | ||
* hex(time): an 8 character string (for the next few years) following the | * hex(time): an 8 character string (for the next few years) following the python way of using seconds since the epoch e.g. 4aa61e8f | ||
* owner: is the bespin username of the change creator | * owner: is the bespin username of the change creator | ||
* method: is one of [int|ext|delta|zint|zext] | * method: is one of [int|ext|delta|zint|zext] Currently the only supported value is 'int' however the following are planned | ||
** int: The contents is stored in the data field (at the end of the line) | ** int: The contents is stored in the data field (at the end of the line) | ||
** ext: The contents are written to a file whose name is in the data field | ** ext: The contents are written to a file whose name is in the data field | ||
** delta: The contents are the value of the previous record with the change | ** delta: The contents are the value of the previous record with the change in the delta field applied | ||
** zint|zext: As int|ext except the contents are compresses with zlib | ** zint|zext: As int|ext except the contents are compresses with zlib | ||
* comment: A comment (where possible) for the change | * comment: A comment (where possible) for the change | ||
* data: As interpreted by the 'method' field | * data: As interpreted by the 'method' field | ||
= User Interface = | = User Interface = | ||