On 04/29/2014 08:46 AM, Uwe Schindler wrote:
Hi Oliver,
To me it looks like you want to do it much too complicated. It also seems that
you misunderstood join queries, which seems to be your problem. Comments inside:
My lucene Index is built and stored in a zip file (uncompressed) which is used
as a read-only Directory.
1) At lucene indexing time, is it possible to rewrite the index so that some
fields are only found in some segments Say :
EnglishWords, EnglishVerbs go to Segment 1 GermanWords,
GermanSentences go to Segment 2 French, frenchWines go to Segment 3 ...
You can create the 100% same index structure manually without dealing with Lucene
internals. Just index every language into a separate index with a separate
IndexWriter. As those segments are read-only, you can call forceMerge(1) after
indexing, so those indexes have exactly 1 segment -> every language has one
single segment.
Say, to implement what you just suggested, I will need some indexWriters
commonStuffWriter
englishWriter
germanWriter
...
and have to do :
for commonStuff
Document document
document.add(term("stuff", "common things", stored))
document.add(term("id", someCommonId))
commonWriter.add(document)
for German :
Document document1
document1.add(term("de", "GutenTag"))
document1.add(term("id", someCommonId))
germanWriter.add(document1)
for English :
Document document2
document2.add(term("en", "Hello"))
document2.add(term("id", someCommonId))
englishWriter.add(document)
The docId from the 3 writers have nothing in common, right ?
Won't this be problematic ? Especially since I allow queryParser queries
like " stuff:fff de:Guten"
Is there a way to share a document between segments written with
different writters with the same docId ?
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