I did a little bit research regarding the problem that joining threads
isn't persistent (as described in [1]-[3]).
I managed to track down the problem until the following line in
FerretIndex#sync_message in lib/sup/ferret_index.rb.
d = { ... :refs => (entry[:refs] || (m.refs + m.replytos).uniq.join(" ")) }
I have problems to understand what this line is supposed to do.
For me, it always evaluates to "entry[:refs]" (even if that's an empty
string!), losing the reference in the modified message m, which was added
by add_ref. Therefore the manual join is always lost.
With my limited Ruby knowledge, my quick and dirty fix was:
if entry[:refs]!="" then
d[:refs]=entry[:refs]
else
d[:refs]=(m.refs + m.replytos).uniq.join(" ")
end
Is this what the above code is about?
Btw, the code in xapian_index.rb looks much different. Still, I'd like
to see this fixed for Xapian.
Regards,
Gregor Hoffleit
[1]
http://sup.rubyforge.org/ditz/issue-4e501973cea5bd1f28739ae4cea98edce8249895.html
[2] http://rubyforge.org/pipermail/sup-talk/2009-April/002050.html
[3] http://rubyforge.org/pipermail/sup-talk/2009-April/002060.html
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