BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  ZeosLib          BorlandTalk.com Forum Index -> Delphi OO design View previous topic :: View next topic   Author Message Charles McAllister Guest Posted: Fri Nov 03, 2006 1:07 am    Post subject: ZeosLib Has anyone else looked at ZeosLib for writing your OPF? I'm evaluating it now, and seems to do everything I need it to do. Although ZeosLib comes with a TDataSet descendant, it has some light-weight result set objects that are ideally suited for an OPF. -- Charles Back to top Joao Morais Guest Posted: Fri Nov 03, 2006 2:11 am    Post subject: Re: ZeosLib Charles McAllister wrote: Quote: Has anyone else looked at ZeosLib for writing your OPF? I'm evaluating it now, and seems to do everything I need it to do. Although ZeosLib comes with a TDataSet descendant, it has some light-weight result set objects that are ideally suited for an OPF. ZeosDBO is a good multi-database option, but I'd write an abstract persistence class and implement more brokers in order to use the best option to an specific database. E.g. Zeos is, perhaps, the best free pgsql and mysql options, but it isn't the best option for FB and Ib. The same object retrieving - zeos: 12s; IBX: 9s; UIB: 7,5s. If you need to retrieve db metadata, you will also need to do some workarounds for ib/fb and mysql databases. You will find more information in the InstantObjects' ZeosDBO broker and catalog: http://instantobjects.svn.sourceforge.net/viewvc/instantobjects/branches/2.0/Source/Brokers/ZeosDBO/InstantZeosDBOCatalog.pas?view=markup HTH -- Joao Morais Back to top Charles McAllister Guest Posted: Fri Nov 03, 2006 2:53 am    Post subject: Re: ZeosLib Joao Morais wrote: Quote: If you need to retrieve db metadata, you will also need to do some workarounds for ib/fb and mysql databases. You will find more information in the InstantObjects' ZeosDBO broker and catalog: http://instantobjects.svn.sourceforge.net/viewvc/instantobjects/branches/2.0/Source/Brokers/ZeosDBO/InstantZeosDBOCatalog.pas?view=markup HTH it does help thanks. 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