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| << Back to [[GOCDB/Release4/Development]] <br />
| | Moved to [[GOCDB/Release4/Development/v5]] |
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| = Introduction =
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| By replacing the PROM model with the [http://www.doctrine-project.org Doctrine ORM] GOCDB will support RDBMSs other than Oracle.
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| = Benefits =
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| * Write code once, deploy to Oracle, MySQL, Postgres, SQLite.
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| * Much simpler than the [[GOCDB/PROM]] model (see below)
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| {|
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| |[[File:Get_Site_PROM.png|200px|thumb|left|PROM SQL]]
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| |[[File:Get_Site_Doctrine.png|200px|thumb|left|Doctrine SQL]]
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| |}
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| = Changes =
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| The move to Doctrine will introduce changes to the GOCDB portal URLs and to the PRIMARY KEY, ID and GOCDB_PORTAL_URL fields of the GOCDB PI.
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| == Portal URLs ==
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| In PROM, each "entity" (site, service endpoint, downtime) was assigned an ID from a global pool. There is only one object 123, the GRIDOPS-GOCDB site. The following URL is used to access an entity regardless of type:
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| https://goc.egi.eu/portal/index.php?Page_Type=View_Object&object_id=123&grid_id=0
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| In Doctrine, each entity receives an ID unique only to that entity type. There is a site with ID 123, a service endpoint with ID 123 and a downtime with ID 123. The new URL will reflect the entity type:
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| https://goc.egi.eu/portal/index.php?Page_Type=Site&id=123
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| https://goc.egi.eu/portal/index.php?Page_Type=Service_Endpoint&id=123
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| https://goc.egi.eu/portal/index.php?Page_Type=Downtime&id=123
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| (...and so on for each GOCDB entity type)
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| [[File:GOCDB_URLs.png|900px]]
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| == PI Fields ==
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| In the GOCDB PI there are a number of PROM specific fields that will change with the move to Doctrine: PRIMARY_KEY, ID and GOCDB_PORTAL_URL.
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| [[File:Get_Site_Fields.png]]
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