I'll be thankful if someone can give me idea about this.
Thanks
On Saturday, 31 May 2014 00:45:21 UTC+5:30, coder wrote:
>
> Hi,
>
> I'm using following analyzers for indexing my documents in ES:
>
> "analysis" : {
> "analyzer" : {
> "str_search_analyzer" : {
> "tokenizer" : "standard",
> "filter" : ["lowercase","asciifolding"]
> },
> "str_index_analyzer" : {
> "tokenizer" : "standard",
> "filter" : ["lowercase","asciifolding","edgengram"]
> }
> },
> "filter" : {
> "edgengram" : {
> "type" : "edgeNGram",
> "min_gram" : 3,
> "max_gram" : 20,
> "side" : "front"
> }
> }
> }
>
> I'm sure the search and index analyzers can serve my pupose well but
> querying documents in a right manner is also necessary for better results.
> I have read different queries which have been provided by ES but confused
> on which query or a combination of queries can work well with my use case.
>
> Let's say I have a document which contains 3 fields:
> city_name: Palo Alto
> state_name: California
> country: United States
>
> Now, my index analyzer will create following tokens on these 3 fields:
> city_name: pal, palo, alt, alto
> state_name: cal, cali, calif, califo, califor, californ, californi,
> california
> country: uni, unit, unite, united, sta, stat, state, states
>
> And user search for a word like: palo alt
> now, my search analyzer will index it like: palo, alt
>
> Now, I want to return only those documents which contains both these
> tokens, either in same field(like state, city or country) or as a
> combination of 2 fields. (Not those documents where either palo or pal or
> alt are present. )
>
> Now which query can give me better results with these types of indexing
> and searching ?
>
> I read about terms query but that works on not anlyzed fields. Also,
> querystring will generate some inbuilt regex queries for searching (I don't
> want that) I want only those documents where all the tokens of a user
> searched query are present in either same fields or multiple fields within
> same document. How can I achieve this ?
>
> Any idea ?
>
> Thanks
>
>
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