awwwhhh.... Viet that's sweet!! We all sometimes get bored with these discussion... I sympathize... But they are important to realize the philosophy (Sellars, 1963) of science
--- Regards, Saptarshi PURKAYASTHA Director R & D, HISP India Health Information Systems Programme My Tech Blog: http://sunnytalkstech.blogspot.com You Live by CHOICE, Not by CHANCE 2010/3/4 Viet Nguyen <[email protected]> > > 2010/3/4 Bob Jolliffe <[email protected]> > >> 2010/3/4 Lars Helge Øverland <[email protected]>: >> > >> > >> > 2010/3/4 Bob Jolliffe <[email protected]> >> >> >> >> I agree depending on the uniqueness of names is not a good idea. I >> >> saw John said that facilities in India do have codes - the 16 digit >> >> ones which are built hierarchicly (is that a word?). >> > >> > OK I wasn't aware of this code.. Certainly if we could generate a string >> > based on the orgunit code plus its ancestors it will be unique. How does >> one >> > generate a fixed-length alphanumeric string based on this sequence of >> names >> > btw? >> >> I'm thinking that we just generate the local part. The facility codes >> already exist. So in Db you would have fields for patient id and >> issuing-facility. I think it is common to store the issuing authority >> with an id anyway. In most cases the issuing-facility might be null >> because it could be assumed. If a patient is moved into the db from >> somewhere else, or if patients are combined from different facilities >> for one of many reasons, then the facility code would need to be >> populated to avoid clashes. This bears some resemblance I think to >> the uuid disambiguation referred to by Saptarshi. > > > OK. Good point. > > Even if we generate the facility part of the id on-demand we would still > want it to be fixed length...? > > > Please continue discussing about the identifier on this thread. > I don't have strong opinion about this problem, let John and guys discuss > and finish it. Then I could do the coding part... > > Regards, > -- > Viet Nguyen > > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-devs > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dhis2-devs > More help : https://help.launchpad.net/ListHelp > >
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