Re: "dselect" replacement team
On Sat, 12 Apr 1997, Tom Lees wrote:
> On Fri, 11 Apr 1997, Jason Gunthorpe wrote:
>
> > The ideal database for dpkg data is a multi-teired thing (I'm not a dbase
> > expert so excuse the terminology ;>) We need a first teir that has a list
> > of all the packages and a second tier that has each of the fields in the
> > control file. Each package has about 8 fields that need to be stored so we
> > might be able to use some kind of simple binary structure inside a larger
> > database.
>
> The "first tier" is called the key, and the "second tier" is called the
> data, generally, and they are linked (that's in libdb's BTREE format,
> anyway).
>
> So, if you want to list all the packages, you just go through the
> database, reading all the keys.
>
> If you want the info, you look it up by the package.
Sorry, I wasn't clear, there are two sets of the key/data pairs, one on a
global level, the key is the package name the data is some kind of package
data.
Inside the data element there is a second database of key/string pairs
which is the 'second tier' I was meaning.
So you have Package\Tag=Value
Jason
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