Thank you for your information Przemek, now I'm converting IDX files to CDX. Besides, CDX files are easier to maintain and use.
Regards, Agustianes U.S. On Mon, 2009-11-16 at 16:19 +0100, Przemysław Czerpak wrote: > On Mon, 16 Nov 2009, Agustianes Umbara Suwardi wrote: > > Hi, > > > Hi, I'm using Harbour 1.1.0-dev nightly build. I'm trying to use my > > FoxPro databases using harbour. Here's a test code: > > function main() > > REQUEST DBFCDX > > select 1 > > use /home/anezch/z/data/cor ; > > index /home/anezch/z/data/corno.idx ; > > via 'DBFCDX' ; > > alias cor > > use > > return nil > > This program always crash with this error message: > > Unrecoverable error 1010: hb_cdxIndexPageRead: Read index page > > failed. > > Called from ORDLISTADD(0) > > Called from MAIN(7) in test.prg > > When I tried to access it with FoxPro, there were no problem. If I don't > > include .idx in index statement, harbour shows an error telling me that > > it could not find corno.cdx. So I suspected that harbour always assume > > the index is CDX format regardless I write corno.idx. > > Then I tried to create an IDX from harbour: > > use /home/anezch/z/data/cor via 'DBFCDX' alias cor > > index on nocor to /home/anezch/z/data/corno.idx > > And when I opened it in FoxPro, I found that corno.idx is actually in > > CDX format. So how can I use IDX in Harbour? > > There are four possible index formats based on IDX/CDX structure: > > 1. uncompresed single tag (.IDX) > 2. compresed single tag (.IDX) > 3. uncompresed multi tag (.CDX) > 4. compresed multi tag (.CDX) > > Clipper 5.2 DBFCDX and SIXCDX supports 2 and 4 (maybe also 1 but I haven't > tested it. > Clipper 5.3 DBFCDX, ClipMore/COMIX, [x]Harbour supports only 4. > In documentation ForPro supports 1, 2 and 4. > I haven't heard about implementation which supports 3-rd version. > > Probably the file you try to use is in format 2 which is not supported. > In fact it's stripped version of format 3 so if someone is interesting > then he can add support for this format using existing DBFCDX code. > > best regards, > Przemek > _______________________________________________ > Harbour-users mailing list (attachment size limit: 40KB) > [email protected] > http://lists.harbour-project.org/mailman/listinfo/harbour-users _______________________________________________ Harbour-users mailing list (attachment size limit: 40KB) [email protected] http://lists.harbour-project.org/mailman/listinfo/harbour-users
