"Mikheev, Vadim" wrote:
>
> Why not implement *true* CLUSTER?
> With cluster, all heap tuples will be in cluster index.
>
What is *true* CLUSTER ?
'grep CLUSTER' over the latest SQL standards gives back nothing.
> > > The last step could be done in two ways. First by limiting
> > > number of indices for one table we can store coresponding
> > > indices' TIDs in each heap tuple. The update is then simple
> > > taking one disk write.
> >
> > Why limit it ? One could just save an tid array in each tuple .
>
> And update *entire* heap after addition new index?!
I guess that this should be done even for limited number of
indices' TIDs in a heap tuple ?
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Hannu