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Date: Tue, 6 Mar 2012 09:39:30 -0500
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Subject: Re: A little more CHANGES.txt help on terms(), please
From: Benson Margulies <bimargulies@gmail.com>
To: java-user@lucene.apache.org
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On Tue, Mar 6, 2012 at 9:34 AM, Uwe Schindler <uwe@thetaphi.de> wrote:
> Hi,
>
> MultiFields should only be used (as it is slow) if you exactly know what =
you are doing and what the consequences are. There is a change in Lucene 4.=
0, so you can no longer terms and postings from a top-level (composite) rea=
der. More info is also here: http://goo.gl/lMKTM

Uwe,

The 4.0 change is how I got here in the first place. Some code we have
here dumped all the terms using the old IndexReader.terms(), so I was
working on figuring out how to replace it. For my purposes, which are
a dev tool, I think that MultiFields will be fine.

--benson


>
> Uwe
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>
>> -----Original Message-----
>> From: Benson Margulies [mailto:bimargulies@gmail.com]
>> Sent: Tuesday, March 06, 2012 3:15 PM
>> To: java-user@lucene.apache.org
>> Subject: Re: A little more CHANGES.txt help on terms(), please
>>
>> On Tue, Mar 6, 2012 at 8:56 AM, Uwe Schindler <uwe@thetaphi.de> wrote:
>> > AtomicReader.fields()
>>
>> I went and read up AtomicReader in CHANGES.txt. Should I call
>> SegmentReader.getReader(IOContext)?
>>
>> I just posted a patch to CHANGES.txt to clarify before I read your email=
, shall I
>> improve it to use this instead of
>>
>> =C2=A0 =C2=A0 MultiFields.getFields(indexReader).iterator();
>>
>> which I came up with by fishing around for myself?
>>
>> >
>> > -----
>> > Uwe Schindler
>> > H.-H.-Meier-Allee 63, D-28213 Bremen
>> > http://www.thetaphi.de
>> > eMail: uwe@thetaphi.de
>> >
>> >
>> >> -----Original Message-----
>> >> From: Benson Margulies [mailto:bimargulies@gmail.com]
>> >> Sent: Tuesday, March 06, 2012 2:50 PM
>> >> To: java-user@lucene.apache.org
>> >> Subject: A little more CHANGES.txt help on terms(), please
>> >>
>> >> Under "LUCENE-1458, LUCENE-2111: Flexible Indexing", CHANGES.txt
>> >> appears to be missing one critical hint. If you have existing code
>> >> that called IndexReader.terms(), where do you start to get a FieldsEn=
um?
>> >>
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>> >
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