Re: ROWID's
Posted in 1996
Cheryl Kendricks wrote: > > As a DBA I hope it IS!!! > As a developer I'm saddened by the loss of a really great feature of the early engines. This was a built-in serial key I never had to add to my tables. I'll miss being able to fetch a selected-set of ROWIDs, which was and is a nice compact selected-set, and be able to damn near guarantee what row I want to work on. Updating by means of a "WHERE CURRENT OF" syntax was only good if you didn't ( and don't ) need to use the ORDER BY syntax. If I used a Next-Previous fetch looking for a ROWID instead of something else, I knew ( and know ) I updated the right row. There's probably another way, I learn something new every day. But it's sad too, that soon everyone will be querying across networks instead of vt100 terminal sessions, and selected set management will soon become something you'll be paying attention too. To say say it's some kind of "good thing it doesn't exist" doesn't really make any sense. I think it would have been just as easy to retain the unique ROWIDs across fragments, but hey, I'm no computer scientist. Had INFORMIX retained this feature we wouldn't even be having this chat. Now I incur the extra overhead of serial keys all over the application and data base. No big deal. What's an extra index...we'll be buying some newer and faster computers soon anyway... :-) > ------------------------------------------------------------------------- > Cheryl Kendricks > Internet:cherylk@prod1.jcdc.doleta.gov > OR > kendric@gwysmtp.jcdc.doleta.gov > DTSI, Inc. Voice: 1-800-598-5008 > Database Administrator - DOL Job Corps San Marcos, Texas > ------------------------------------------------------------------------ > > On 6 May 1996, Guy Germonpre wrote: > > > I heard the rumour that the notion of rowid's no longer is supported in the > > newer versions of Informix 4GL - Informix Engines. > > > > I hope this is not true ! > > > > Could you shed a light on this ? > > TIA > > > > Guy > > > > -- \\\\|// (6 6) ==============================---o00--(_)--00o---============================ Tim Schaefer tschaefe@encore.com tschaefe@shadow.net Encore Computer Corp http://www.shadow.net/~tschaefe =============================================================================