wich rdd support dbexist()?rddsql,rddado,rddads,letodb 2008/4/29 Przemyslaw Czerpak <[email protected]>
> On Tue, 29 Apr 2008, Massimo Belgrano wrote: > > How is possible use ADSCHECKEXISTENCE function from ads? > > Is correct think that function like ADSCHECKEXISTENCE (ads) or sr_file > > (sqlrdd) must be replaceable via rdd? > > ADSCHECKEXISTENCE > > Probably also letodb need a function for check for existence of a file > > by server side > > We already have such functionality: > dbExists( <cTable>, [<cIndex>], [<ulConnction>] ) -> <lExists> > > It checks if table or index to given table exists. > F.e.: > dbExists( "test" ) > returns true if table "test" exists. It's not necessary to add > file name extension. It will be done automatically by RDD. > And > dbExists( "test", "fisrt" ) > checks if table "test" has index "first". Some RDDs like DBF* > may ignore table name during index checking. > > We have also > dbDrop( <cTable>, [<cIndex>], [<ulConnction>] ) -> <lRemoved> > which can remove table with all related files (indexs and memos) > f.e.: > dbDrop( "test" ) > or only given index, f.e. > dbDrop( "test", "fisrt" ) > > AFAIK SQLRDD does not support them at all. In ADS they are supported > but only using standard file API and it should be fixed to use ACE > functions. Though I do not know if it can be implemented using documented > ACE API. > > best regards, > Przemek > _______________________________________________ > Harbour mailing list > [email protected] > http://lists.harbour-project.org/mailman/listinfo/harbour > -- Massimo Belgrano Analisi e sviluppo software per Lan e Web - Consulenza informatica - Formazione Delta Informatica S.r.l. http://www.deltain.it/ +39 0321 455962
_______________________________________________ Harbour mailing list [email protected] http://lists.harbour-project.org/mailman/listinfo/harbour
