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From Rick Leir <rl...@leirtech.com>
Subject Re: Get results in multiple orders (multiple boosts)
Date Wed, 16 Aug 2017 10:39:20 GMT
Luca
Can you give me an example? If category_id is 9500, what would you want to sort on? -- Rick

On August 16, 2017 5:19:56 AM EDT, Luca Dall'Osto <tenaciousd93@yahoo.it.INVALID> wrote:
>Hello Rick,
>I have no algorithm: user choose the order of the categories, and the
>sources, For example:
>
>
>For Category:
>- at position 0 category_id 9500.
>- at position 1 category_id 10.
>- at position 2 category_ud 555.
>(etc...)
>
>
>For Source:
>
>- at position 0 source_id 12.
>- at position 1 source_id 30.
>
>- at position 2 source_id 3.
>
>(etc...)
>
>
>After that, user decide what kind of sort apply.
>For example: fist by DATE, then by CATEGORY, then by SOURCE and then by
>NAME.
>I have 1 array with all category Ids with correct order decided by user
>and another one with source Ids in correct order decided by user.
>Then I have another array that specify the sort type (like example,
>user should ask documents ordered by DATE first, then by CATEGORY,
>etc... )
>Natural sort order could be fine only for DATE and NAME, but for
>CATEGORY and SOURCE I have to use the array with ids sorted by user.
>Thanks!
>
>Luca 
>
>On Tuesday, August 8, 2017 6:54 PM, Rick Leir <rleir@leirtech.com>
>wrote:
> 
>
> Luca,
>What is the algorithm for the custom sort order?  -- Rick
>
>On August 7, 2017 6:38:49 AM EDT, Luca Dall'Osto
><tenaciousd93@yahoo.it.INVALID> wrote:
>>Hello Rick,
>>thanks for your answer.
>>Yes, I compose solr query from frontend request, but I'm not able to
>>sort by a custom order, only by natural order (for example:
>>sort=category desc, source desc, /*...*/ ).
>>How do you set a custom sort order in solr?
>>Thanks
>>
>>Luca
>>
>>
>> 
>>
>>On Friday, August 4, 2017 7:41 PM, Rick Leir <rleir@leirtech.com>
>>wrote:
>> 
>>
>> Luca
>>I hope you have a web app in front of Solr. It could accept parameters
>>from the browser, then construct the query as necessary to do your
>>sorting. Cheers -- Rick
>>
>>On August 4, 2017 5:32:31 AM EDT, Luca Dall'Osto
>><tenaciousd93@yahoo.it.INVALID> wrote:
>>>Hello,
>>>sorry for the late, I was out of my home.
>>>
>>>
>>>In response to Rick: 
>>>I can't do that because: 
>>>1) each user should have multiple sort (for example user "A" can sort
>>>by date and then by category and then by name ...) .
>>>2) the sort is not natural sort: user has a custom order for a field
>>>(for example sorting category field of user "A" could be category 10
>>at
>>>position 1, category 2 at position 2, category 9500 at position 3,
>>>category 40 at position 5 ...).
>>>
>>>
>>>In response to Susheel:have you done an example? 
>>>
>>>Thanks for your response.
>>>
>>>Luca
>>>
>>> 
>>>
>>>On Thursday, July 20, 2017 4:10 AM, Susheel Kumar
>>><susheel2777@gmail.com> wrote:
>>> 
>>>
>>> Let me try to put an example for custom sort.
>>>
>>>On Wed, Jul 19, 2017 at 6:34 AM, Rick Leir <rleir@leirtech.com>
>wrote:
>>>
>>>> Luca,
>>>> You can pass a sort parameter in the query. User A could
>>>sort=date%20desc
>>>> and user b could sort=foofield%20asc.
>>>>
>>>> Maybe query functions can also help with this. Cheers -- Rick
>>>>
>>>> On July 19, 2017 4:39:59 AM EDT, Luca Dall'Osto
>>>> <tenaciousd93@yahoo.it.INVALID> wrote:
>>>> >Hello,The problem of build an index is that each user has a custom
>>>> >source order and category order: are not static orders (for
>example
>>>> >user X could have category:5 as most important category but user Y
>>>> >could have category:9 as most important).
>>>> >Has anyone ever written a custom sort function in solr?Maybe a
>link
>>>of
>>>> >a tutorial or an example could be very helpful. Thanks
>>>> >
>>>> >Luca
>>>> >
>>>> >On Tuesday, July 18, 2017 4:18 PM, alessandro.benedetti
>>>> ><a.benedetti@sease.io> wrote:
>>>> >
>>>> >
>>>> >"I have different "sort preferences", so I can't build a index and
>>>use
>>>> >for
>>>> >sorting.Maybe I have to sort by category then by source and by
>>>language
>>>> >or
>>>> >by source, then by category and by date"
>>>> >
>>>> >I would like to focus on this bit.
>>>> >It is ok to go for a custom function and sort at query time, but I
>>>am
>>>> >curious to explore why an index time solution should not be ok.
>>>> >You can have these distinct fields :
>>>> >source_priority
>>>> >language_priority
>>>> >category_priority
>>>> >ect
>>>> >
>>>> >This values can be assigned at the documents at indexing time (
>>>using
>>>> >for
>>>> >example a custom update request processor).
>>>> >Then at query time you can easily sort on those values in a multi
>>>> >layered
>>>> >approach :
>>>> >sort:source_priority desc, category_priority  desc
>>>> >Of course, if the priority for a source changes quite often or if
>>>it's
>>>> >user
>>>> >dependent, a query time solution would be preferred.
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >-----
>>>> >---------------
>>>> >Alessandro Benedetti
>>>> >Search Consultant, R&D Software Engineer, Director
>>>> >Sease Ltd. - www.sease.io
>>>> >--
>>>> >View this message in context:
>>>> >http://lucene.472066.n3.nabble.com/Get-results-in-
>>>> multiple-orders-multiple-boosts-tp4346304p4346559.html
>>>> >Sent from the Solr - User mailing list archive at Nabble.com.
>>>> >
>>>> >
>>>> >
>>>>
>>>> --
>>>> Sorry for being brief. Alternate email is rickleir at yahoo dot com
>>>
>>>
>>>  
>>
>>-- 
>>Sorry for being brief. Alternate email is rickleir at yahoo dot com
>>
>>  
>
>-- 
>Sorry for being brief. Alternate email is rickleir at yahoo dot com
>
>   

-- 
Sorry for being brief. Alternate email is rickleir at yahoo dot com 
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