From: Gavin Sinclair Date: 2003-01-02T08:57:03+09:00 Subject: Re: Ruby DBI On Thursday, January 2, 2003, 4:10:53 AM, David wrote: > Second, if you want to create utilities for dealing with result sets. > For example, in Java you can create (and I have created) an object that > buffers a result set and metadata. If you are clever, you can track > changes, deletions, and additions to the data. If you are really > clever, you can use the metadata to construct SQL to change the > database to match the buffer. This allows you to instantiate a result > set object by sending it any SQL whatever, change the values in that > object, add rows to the object, and delete rows to the object, and then > simply call a "commit" method to have the object issue the appropriate > update, insert, and delete statements. This type of a setup allows you > to eliminate hundreds or thousands of error-prone sql-computation lines > from your code. Moreover, such an object makes an ideal superclass for > objects that correspond to database tables. This sounds really good. Has anyone really *really* clever generalised all this and released it as a library (in any language)? Gavin