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From brahmam <sreerama.n...@gmail.com>
Subject Re: Migrate from Lucene 5.5.3 to 7.6.0
Date Wed, 20 Feb 2019 02:03:18 GMT
Hi,

Any guidance on the above points 2&3 will greatly help us to proceed with
lucene 7 migration. Thank you in advance!

Regards,
Sreeram


On Thu, 14 Feb 2019, 05:45 brahmam <sreerama.naga@gmail.com wrote:

> Hi Thank you for sharing the details.
>
> 1) Is NumericRangeQuery is the only API removed in license 7 when compare
> with lucene 5.5.3?
>
> 2) To do re-index of the existing data with lucene 7, does it support all
> scenarios like closed partitions, backed up or archived data etc... Or any
> key areas which we need to be cautious to do re-index with lucense 7.
>
> 3) is any API or guide available to re-index existing data with lucense 7?
>
>
> Regards,
> Sreeram
>
> On Mon, 11 Feb 2019, 21:18 Uwe Schindler <uwe@thetaphi.de wrote:
>
>> Hi,
>>
>> You can't use indexes from Lucene 5.5 with Lucene 7.6. You have to
>> reindex with Lucene 7 and use LongPoints instead of NumericField. Lucene 7
>> does not have NumericRangeQuery anymore, so you cannot query old indexes.
>> There is no direct migration path, so you have to reindex.
>>
>> The precisionStep is no longer needed with points (it does this
>> automatically in its internal implementation).
>>
>> Uwe
>>
>> -----
>> Uwe Schindler
>> Achterdiek 19, D-28357 Bremen
>> http://www.thetaphi.de
>> eMail: uwe@thetaphi.de
>>
>> > -----Original Message-----
>> > From: brahmam <sreerama.naga@gmail.com>
>> > Sent: Monday, February 11, 2019 7:10 AM
>> > To: java-user@lucene.apache.org
>> > Subject: Migrate from Lucene 5.5.3 to 7.6.0
>> >
>> > Hi,
>> >
>> > We want to migrate from lucene 5.5.3 to 7.6.0(current stable version).
>> > Could you please help with migration guide if any available for the
>> same?
>> >
>> > *One of the scenario observed:*
>> > when used *NumericRangeQuery.newLongRange, *we can pass the precision
>> > step
>> > as the parameter.
>> > But now in 7.6.0, we need to use LongPoint, but no method available
>> which
>> > can take the precision as parameter.
>> >
>> > Could you please advice how to overcome this migration issue?
>> >
>> > Regards,
>> > Sreeram
>>
>>
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>>

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