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From Ian Lea <>
Subject Re: Get all the field names
Date Thu, 09 Jun 2011 09:07:24 GMT
See the javadocs for IndexReader.getFieldNames(IndexReader.FieldOption
fldOption). Also see the javadocs for your "Why isn't this correct?"

Reading Lucene In Action is highly recommended for all people new to lucene.


On Thu, Jun 9, 2011 at 9:03 AM, Pranav goyal <> wrote:
> Hi,
> I want to retrieve all the field names from my index so that I can store
> them in an array to use in MutiFieldQueryParser.
> One question can I do it using my index directory? If yes then a piece of
> code would be really helpful as I searched out a lot but no documentation is
> there on this thing.
> Why I want to do it using index directory is because my indexing code and
> searching codes are in a different file. So it would be better if I can
> access field names using the directory.
> I tried with
> IndexReader ir = new IndexReader(;
> Why isn't this correct?
> I am a newbie in lucene, so may be these doubts can be silly.
> Thanks

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