Kamesh Jayachandran <kamesh@collab.net> writes:
> My current understanding of mutablity is that history(past) should not
> be muted, not the internal representation of it, i.e representation
> could change from 'fulltext' to 'delta' and viceversa as long as view
> of the consumers of the representation is same before and after this
> change.
This is correct, yes.
> I am yet to see how/where the cloning happens.
> I guessed by reading the subversion/libsvn_fs_base/fs-history doc that
> on each change of the path all the path components are cloned and
> corresponding changes are done to a clone, wondered that there should
> be no such cloning in 'representations' and 'strings' tables as the
> youngest is always fulltext.
Cloning happens during the process of committing a change to a path.
Before I explain it, let me ask: do you know what the "bubble up"
algorithm in the Subversion repository is? That is a prerequisite for
understanding how trees and history are stored in the repository.
Best,
-Karl
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Received on Thu Mar 9 21:28:39 2006