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From Jon Stewart <...@lightboxtechnologies.com>
Subject Re: StandardQueryParser with date/time fields stored as longs
Date Wed, 11 Feb 2015 14:37:53 GMT
Ok... so how does anyone ever use date-time queries in lucene with the
new recommended way of using longs?


Jon


On Wed, Feb 11, 2015 at 9:26 AM, Ian Lea <ian.lea@gmail.com> wrote:
> Ah well, you've got me there.  I'm not a lucene developer and rather
> thought that I'd leave the implementation as an exercise for the
> reader.  Good luck!
>
>
> --
> Ian.
>
>
> On Wed, Feb 11, 2015 at 2:20 PM, Jon Stewart
> <jon@lightboxtechnologies.com> wrote:
>> Eek. So is there a parsing component somewhere that gets handed a
>> field name and query components (e.g., "created", "2010-01-01",
>> "2014-12-31"), which I can derive from, parse the timestamp strings,
>> and then turn the whole thing into a numeric range query component?
>>
>>
>> Jon
>>
>>
>> On Wed, Feb 11, 2015 at 9:10 AM, Ian Lea <ian.lea@gmail.com> wrote:
>>> To the best of my knowledge you are spot on with everything you say,
>>> except that the component to parse the strings doesn't exist.  I
>>> suspect that a contribution to add that to StandardQueryParser might
>>> well be accepted.
>>>
>>>
>>> --
>>> Ian.
>>>
>>>
>>> On Wed, Feb 11, 2015 at 4:21 AM, Jon Stewart
>>> <jon@lightboxtechnologies.com> wrote:
>>>> Hello,
>>>>
>>>> I've done a lot of googling, but haven't stumbled upon the magic
>>>> answer: how does one use StandardQueryParser with numeric fields
>>>> representing timestamps, to allow for range queries?
>>>>
>>>> When indexing, my timestamp fields are ISO 8601 strings. I'm parsing
>>>> them and then storing the milliseconds epoch time as a long, i.e.:
>>>>
>>>>   doc.add(new LongField("created", ts.getMillis(), Field.Store.NO));
>>>>
>>>> From reading around, this seems to be the preferred method to index a
>>>> timestamp (makes sense). However, how can you get StandardQueryParser
>>>> to handle a query like "created:[2010-01-01 TO 2014-12-31]"?
>>>>
>>>> For other numeric fields, StandardQueryParser.setNumericConfigMap() is
>>>> working just fine for me. It would seem that the "created" field would
>>>> have to be part of this map in order to execute the range query
>>>> properly, but that there must also be a component to parse the
>>>> date/time strings in the query and convert them to long values, right?
>>>>
>>>> Thanks in advance,
>>>>
>>>> Jon
>>>>
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>>>>
>>>
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>>
>>
>>
>> --
>> Jon Stewart, Principal
>> (646) 719-0317 | jon@lightboxtechnologies.com | Arlington, VA
>>
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>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
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>>
>
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>



-- 
Jon Stewart, Principal
(646) 719-0317 | jon@lightboxtechnologies.com | Arlington, VA

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