On Oct 5, 2005, at 4:01 AM, Eugeny N Dzhurinsky wrote:
Is it possible somehow to change some partial fields in indexed
documents
without reindexing all documents?
No, not with Lucene 1.4.3. But the Subversion trunk has a feature
that can facilitate this sort of thing by building two indexes, one
with the data and one with the security information. Look at
ParallelReader and it's javadocs.
The thing is we have set of "searchable" documents and set of access
privileges (which builds the tree-like structure, i'e access
privileges could be
inherited from parent node) for these documents. I was supposed to
provide
some "keyword" when indexing documents, which keyword will be
"flatten" rights,
i'e privileges merged from parent nodes (if required), in the same
way as it is
described in the Lucene in action book appendix (SecurityFilterTest).
However, for data like permissions, ACL's, groups, etc, it may be
better to keep the information where it originally resides and have a
Filter that accesses the external data. It would likely be easier
and quicker to re-instantiate Filter's than to rebuild a security
index and less duplication.
Erik
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