There’s code that will convert all in one fell swoop. It puts comments at end please advise if you want it and I will forward
Regards Chuck On Fri, Jun 7, 2019 at 11:49 AM Narinder Chandi via 4D_Tech < [email protected]> wrote: > Hi all. I am migrating a v15 database to v17, 4D Server running on Mac. I > need some opinions as to what to do with regards to converting commands > marked as obsolete as per this article: > > > https://doc.4d.com/4Dv15/4D/15/Deprecated-or-removed-features-in-v15-product-range.200-2063067.en.html > > I have been addressing them by theme, and in some cases the conversion is > straight forward, e.g. _o_ENABLE BUTTON/_o_DISABLE BUTTON is replaced by > OBJECT SET ENABLED whilst some others can be removed completely, e.g. > _o_REDRAW LIST. > > I am now looking at how to deal with the obsolete Compiler theme commands > _o_C_INTEGER, _o_C_STRING and _o_ARRAY STRING. > > _o_C_INTEGER I have simply replaced with C_LONGINT as the docs state that > "...4D and the compiler retype Integers into Longints internally." > > However, I am conflicted as to how best to deal with _o_C_STRING and > _o_ARRAY STRING which are replaced by C_TEXT and ARRAY TEXT respectively. > The docs state "The operation of the [_o_C_STRING/_o_ARRAY STRING] command > is strictly identical to that of the [C_TEXT/ARRAY TEXT]". Of course the > string length parameter in the obsoleted commands makes the conversion > non-trivial and code will need to reviewed for any functional regressions, > e.g. in relation to database fields of type String where the length can > still be defined (auto-truncation may not be the desired/intended > behaviour!). > > I have searched the archives on this topic but opinions seem to be divided > on whether or not to do this conversion? Perhaps I am mistaken, but I am of > the opinion that it will have to be done sooner or later as 4D reserves the > right to remove obsoleted commands and will eventually do so? > > TL;DR the options are: > 1. Replace > 2. Do nothing for v17 > > Thoughts? > > I will deal with my questions and options regarding Subrecords in a > separate email! > > Regards, > > Narinder Chandi, > ToolBox Systems Ltd. > -- > > > ********************************************************************** > 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] **********************************************************************
