Changes between Version 17 and Version 18 of UUID
- Timestamp:
- 08/31/12 18:32:38 (12 years ago)
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UUID
v17 v18 19 19 If a record is imported into Sahana Eden and it already has a UUID, then Eden will retain this UUID as-is (exception: local domain prefix, see below) - without any syntax validation (i.e. no specific UUID schema is required). However, for consistency reasons, we recommend to use URNs. 20 20 21 == Domain Prefix == 22 21 23 Some data formats (e.g. PFIF) may require a '''domain prefix''' for a UUID, followed by a slash: 22 24 {{{ … … 24 26 }}} 25 27 26 - where such a domain prefix is used and it matches the local domain of the importing Sahana instance, it will be removed during import. 27 - in exports, the transformation stylesheets for formats which require a domain prefix will prepend the local domain to each un-prefixed UUID. 28 Where such a domain prefix is used and it matches the local domain of the importing Sahana instance, it will be removed during import. 29 30 In exports, the transformation stylesheets for formats which require a domain prefix will prepend the local domain to each un-prefixed UUID. 28 31 == Mapping == 29 32 We need an agreed set of UUIDs for GIS Data so that we can share data more easily across systems, such as the [PakistanUnionCouncils current Pakistan data]