Hi Binh,
Thanks. Excellent info that you shared. In addition i would like to know
how actually the scores calculated as the two queries below yield different
results :
1)
{
"from" : 0,
"size" : 100,
"query" : {
"filtered" : {
"query" : {
"multi_match": {
"query": "love",
"fields": [ "DISPLAY_NAME^6", "LONG_DESCRIPTION",
"SHORT_DESCRIPTION", "PERFORMER" ]
}
},
"filter" : {
"query" : {
"bool" : {
"must" : {
"term" : {
"CHANNEL_ID" : "1"
}
}
}
}
}
}
}
}
*Result *:
"_score": *1.372128*,
"_source": {
"DISPLAY_NAME": "Listen To My Song",
"PRICE": 5,
2)
{
"from" : 0,
"size" : 100,
"query" : {
"filtered" : {
"query" : {
"bool" : {
"should" : [ {
"wildcard" : {
"DISPLAY_NAME" : {"value": "love", "boost": 6}
}
}, {
"wildcard" : {
"LONG_DESCRIPTION" : "love"
}
}, {
"wildcard" : {
"SHORT_DESCRIPTION" : "love"
}
}, {
"wildcard" : {
"PERFORMER" : "love"
}
} ]
}
},
"filter" : {
"query" : {
"bool" : {
"must" : {
"term" : {
"CHANNEL_ID" : "1"
}
}
}
}
}
}
}
}
*Result *:
"_score":* 0.040032037*,
"_source": {
"DISPLAY_NAME": "Listen To My Song",
On Tue, Apr 1, 2014 at 5:59 AM, Binh Ly <[email protected]> wrote:
> ^ is a boost - so it makes the match score higher. Aboout your other
> question, that's default behavior for Lucene scoring - i.e., fields that
> are shorter will have higher relevancy against your query terms. You can
> disable norms if you don't want this behavior:
>
>
> http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/mapping-core-types.html#norms
>
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Regards,
Chee Hoo
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