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OpenSearch
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8 Commits

Author SHA1 Message Date
Mayya Sharipova 4127d6889b Remove experimental label froms script_score query (#41572) 2019-04-26 08:51:29 -04:00
Mayya Sharipova 24755209b4 Add randomScore function in script_score query (#40186) 
To make script_score query to have the same features
as function_score query, we need to add randomScore
function.

This function produces different
random scores on different index shards.
It is also able to produce random scores
based on the internal Lucene Document Ids.
 2019-03-28 13:23:47 -04:00
Mayya Sharipova e80284231d
Backport distance functions vectors (#39330) 
Distance functions for dense and sparse vectors

Backport for #37947, #39313
 2019-02-23 11:52:43 -05:00
Mayya Sharipova a30ce6a00a
Rename feature, feature_vector and feature_query (#37794) 
Ranaming as follows:
feature -> rank_feature
feature_vector -> rank_features
feature query -> rank_feature query

Ranaming is done to distinguish from other vector types.

Closes #36723
 2019-01-24 19:18:48 -05:00
Mayya Sharipova fdb66039d4
Change `rational` to `saturation` in script_score (#37766) 
This change of the function name is necessary for conformity
with feature queries.

Closes #37714
 2019-01-23 14:28:20 -05:00
Mayya Sharipova 942fc13af5
Use plain text instead of latexmath 
As latexmath is not rendered, using plain text instead

Closes #37718
 2019-01-22 16:49:03 -05:00
Jim Ferenczi 667c06dc83 Add link to script score query in the top level docs (#36416) 
* add link to script score query in the top level docs

* Correct references in script-score-query.asciidoc
 2018-12-19 10:18:53 -05:00
Mayya Sharipova 643bb20137
Add a new query type - ScriptScoreQuery (#34533) 
* Add a new query type - ScriptScoreQuery

script_score query uses script to calculate document scores.
Added as a substitute for function_score with an intentation
to deprecate function_scoreq query.

```http
GET /_search
{
    "query": {
        "script_score" : {
            "query": {
                "match": { "message": "elasticsearch" }
            },
            "script" : {
              "source": "Math.log(2 + doc['likes'].value)"
            },
            "min_score" : 2
        }
    }
}
```

Add several functions to painless to be used inside script_score:

double rational(double, double)
double sigmoid(double, double, double)
double randomNotReproducible() 
double randomReproducible(String, int) 

double decayGeoLinear(String, String, String, double, GeoPoint)
double decayGeoExp(String, String, String, double, GeoPoint)
double decayGeoGauss(String, String, String, double, GeoPoint)

double decayNumericLinear(String, String, String, double, double)
double decayNumericExp(String, String, String, double, double)
double decayNumericGauss(String, String, String, double, double)

double decayDateLinear(String, String, String, double, JodaCompatibleZonedDateTime)
double decayDateExp(String, String, String, double, JodaCompatibleZonedDateTime)
double decayDateGauss(String, String, String, double, JodaCompatibleZonedDateTime)

Date functions only works on dates in  the default format and default time zone
 2018-11-20 16:10:06 -05:00