Doug Cutting wrote:
Marvin Humphrey wrote:
IMO, this should wait. It's going to be freakishly difficult to get
this stuff to work and maintain the commitments that Doug has laid
out for backwards compatibility.
Perhaps we can implement an all-new index format, in a new package.
An implementation of IndexReader can be provided to integrate with
existing search code. And the ability to add an IndexReader to an
index can be provided to upgrade existing indexes to the new format.
So the new code would not need to be able to process an old index: the
old code can continue to do that. Does that make sense? Is that
"freakishly difficult"? We'll need the ability to sniff a directory
and tell which version of index it contains, but that should not be
too hard.
Doug
+1. I agree that this approach would make it much easier to develop a
new index format without the commitment of being backward-compatible. I
would like to help working on a new index format. Who else is going to
work on it?
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