Hi, There is ample reason to reconsider the use and need for folders.
There is a need for holding/collecting structures. The RM has several places where data can be collected: - Folder - Composition - Section - Entry - Cluster For what purposes? What contributes to the meaning, the semantics? What is for aiding the author / reader managing the data? Gerard Freriks +31 620347088 gf...@luna.nl Kattensingel 20 2801 CA Gouda the Netherlands > On 20 Aug 2018, at 10:53, Thomas Beale <thomas.be...@openehr.org> wrote: > > > > On 18/08/2018 07:56, Bert Verhees wrote: >> I cannot imagine how a folder structure can get lost except by data >> corruption. In that case anything is lost anyway and a rollback from a >> backup is needed. > > It's a thought experiment, not a serious proposition about a real system. But > it partially answers the question: what is in an EHR? If Folders contain some > extra information that can't be reconstructed by running specific queries, > then probably the Folders are a first order part of the EHR rather than just > an optimising data structure. > >> >> In fact there should not be a folderstructure in the database. There are >> folder objects which contain a list of references (data) to compositions. >> Not the compositions itself are in those lists. That would not be possible >> because a composition can be referenced in more then one folder. > > There can be a Folder structure (= hierarchy of Folders), even though (as you > say) Folders only hold refs to Compositions, and more than one Folder can > point to the same Composition. > > - thomas
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