Rudy For me this always choose UUID for primary key and never use them to link between tables. The overhead from space is not so great Andy I never want to type in uuid to find related records etc
Regards Chuck On Wed, Oct 24, 2018 at 10:52 AM Two Way Communications via 4D_Tech < [email protected]> wrote: > I have an application with a big database file ( + 60 GB), with 128 > tables. (4D v17) > > All id fields and foreign keys are of type longint. > > Now, for replication and sharing purposes, I would like to change the type > to UID. > > The process seems quite cumbersome: to start, I need to remove the > ‘primary key’ flag from all the ID fields, then I need to add UID fields to > every table, > change the foreign keys as well, and use apply formula to make sure the > relations are intact. I am a bit worried that this will have a major impact > on the size of the data file. > > Furthermore, I need to automate the whole process so the upgrade works > flawlessly at the customers site. > > Has anyone ever done this? > Any tips? > > Regards, > > Rudy Mortier > Two Way Communications bvba > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** -- ----------------------------------------------------------------------------------------- Chuck Miller Voice: (617) 739-0306 Fax: (617) 232-1064 Informed Solutions, Inc. Brookline, MA 02446 USA Registered 4D Developer Providers of 4D, Sybase & SQL Server connectivity http://www.informed-solutions.com ----------------------------------------------------------------------------------------- This message and any attached documents contain information which may be confidential, subject to privilege or exempt from disclosure under applicable law. These materials are intended only for the use of the intended recipient. If you are not the intended recipient of this transmission, you are hereby notified that any distribution, disclosure, printing, copying, storage, modification or the taking of any action in reliance upon this transmission is strictly prohibited. Delivery of this message to any person other than the intended recipient shall not compromise or waive such confidentiality, privilege or exemption from disclosure as to this communication. ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
