Re: Re: Announce: PDO beta releases

Please read the various links that I posted in the announcement; they explain a number of design goals about PDO (particularly the OTN article) that will answer your questions in more detail. Here are some quick answers: On Wed, 09 Feb 2005 16:28:38 +0000, Lester Caine <lester@lsces.co.uk> wrote: > How are Blob references handled? As streams. This is still not fully supported in all places yet; it should have better support and docs over this next week. > Sequence management? None. > No Caching? None. > How do we access metadata? There are methods. > LIMIT/FIRST management in SQL? None. Consider scrollable cursors as an alternative for databases that don't have LIMIT/FIRST. > I start with a check that the tables I need exist, independent of the > different SQL requirements of the different engines. On a quick > overview, there is nothing to replace MetaTables() ? > ADOdb makes differences in SQL formats between databases transparent, is > that something that PDO will address? No. That is something for another layer. PDO is intended to be a very light layer with minimal interference. > The other area is transparent creation of databases independent of engine. > What I am seeing at the moment is only a subset of the problem addressed. Not in this release of PDO. --Wez.