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From Erick Erickson <erickerick...@gmail.com>
Subject Re: Restriction on type of uniqueKey field?
Date Tue, 01 Jul 2014 14:47:05 GMT
non-String <uniqueKey> fields have historically popped out
in weird places. I think at one point, for instance,
QueryElevationComponent barfed on non-string types.

So, there may still be edge cases in which this can be a problem.
IMO, they're all bugs though.

Erick

On Tue, Jul 1, 2014 at 7:43 AM, Koji Sekiguchi <koji@r.email.ne.jp> wrote:
> In addition, KeywordTokenizer can be seemingly used but it should be avoided
> for unique key field. One of my customers that used it and they had got OOM
> during a long term indexing. As it was difficult to find the problem,
> I'd like to share my experience.
>
> Koji
> --
> http://soleami.com/blog/comparing-document-classification-functions-of-lucene-and-mahout.html
>
>
> (2014/07/01 6:48), Alexandre Rafalovitch wrote:
>>
>> I wasn't thinking of shard keys, but may have been confused in the
>> reading.
>>
>> Thank you everyone, the long key is working just fine for me.
>>
>> Regards,
>>     Alex.
>> Personal website: http://www.outerthoughts.com/
>> Current project: http://www.solr-start.com/ - Accelerating your Solr
>> proficiency
>>
>>
>> On Tue, Jul 1, 2014 at 8:15 PM, Michael Della Bitta
>> <michael.della.bitta@appinions.com> wrote:
>>>
>>> Alex, maybe you're thinking of constraints put on shard keys?
>>>
>>> Michael Della Bitta
>>>
>>> Applications Developer
>>>
>>> o: +1 646 532 3062
>>>
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>>>
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>>> <https://plus.google.com/u/0/b/112002776285509593336/112002776285509593336/posts>
>>> w: appinions.com <http://www.appinions.com/>
>>>
>>>
>>> On Tue, Jul 1, 2014 at 7:05 AM, Shalin Shekhar Mangar <
>>> shalinmangar@gmail.com> wrote:
>>>
>>>> No, you definitely can have an int or long uniqueKey. A lot of Solr's
>>>> tests
>>>> use such a uniqueKey. See
>>>> solr/core/src/test-files/solr/collection1/conf/schema.xml
>>>>
>>>>
>>>> On Tue, Jul 1, 2014 at 3:20 PM, Alexandre Rafalovitch
>>>> <arafalov@gmail.com>
>>>> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I remember reading somewhere that id field (uniqueKey) must be String.
>>>>> But I cannot find the definitive confirmation, just that it should be
>>>>> non-analyzed.
>>>>>
>>>>> Can I use a single-valued TrieLongField type, with precision set to 0?
>>>>> Or am I going to hit issues?
>>>>>
>>>>> Regards,
>>>>>     Alex.
>>>>> Personal website: http://www.outerthoughts.com/
>>>>> Current project: http://www.solr-start.com/ - Accelerating your Solr
>>>>> proficiency
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>> Shalin Shekhar Mangar.
>>>>
>>
>
>
>

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