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Re: [Bobs-devel] database status
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From: Joe z. <jz...@at...> - 2002-07-21 06:58:03
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I don't know. I haven't examined BOBS database at all. I have no idea. Rene Rask wrote: >The problem here is that I don't know how many entries a file have in the >databases. Not a good thing. > >I was thinking about assigning ranges to the files instead. >example. file number 1 has the range 000-099, number 2 has the range 100-199 >That would make it easy to fetch needed values and files don't have to >have the same amount of entries. > >Let me know what you think.. I would like to do it right this time :) > >-Rene > > > > >>I finally got the database to behave properly. >> >>The size of the database is much smaller than I wrote last time. >>I've got an 11 MB text file which is converted into an 18 MB database. >> >>I've arranged the databases this way: >> >>fileindex.db >>keys are in this format: <"incrementing-number" dash "data-type"> >>Data-type are things like path, name and size. >> >>example: >> 0000000-00 => pathname >> 0000001-01 => filename >> 0000002-02 => date >> 0000003-03 => size of file >> 0000004-00 => pathname >> 0000005-01 => filename >> 0000006-02 => date >> 0000007-03 => size of file >> >>More data-types can be added. The only limitation at the moment is that >>all files must have all data-types. So if I add a new data-type to one >>file I need to add that to the rest as well. I can however be empty >>values on the files that don't need it, but they key must be there. >> >> >>dirindex.db has entries in this format: >>The key is the full path >>The value is the index range in fileindex.db >>example: >> path/to/somewhere => 300-312 >> some/other/path/1 => 313-544 >> >>The databases are generated when the backup is run. >>I also managed to generate the dirtree at the same time. >>That is saved as a serialized object and loaded when the users wishes to >>browse the files. That saves about 6 seconds of loading time on some of >>my backups. >> >> >>You said that you have some experience with these simple databases. >>Please let me know if you think there a better ways to do this. >>Then I can correct it before I continue. >> >>-Rene >> >> >> >> >> >> >> >>------------------------------------------------------- >>This sf.net email is sponsored by:ThinkGeek >>Welcome to geek heaven. >>http://thinkgeek.com/sf >>_______________________________________________ >>Bobs-devel mailing list >>Bob...@li... >>https://lists.sourceforge.net/lists/listinfo/bobs-devel >> >> > > > > > >------------------------------------------------------- >This sf.net email is sponsored by:ThinkGeek >Welcome to geek heaven. >http://thinkgeek.com/sf >_______________________________________________ >Bobs-devel mailing list >Bob...@li... >https://lists.sourceforge.net/lists/listinfo/bobs-devel > > > |
