Is there a way to aggregate only the top 2 results based on _score for docs
with the same value in a certain field?
the hits before this aggregation would be like:
{
"_index":"myindex",
"_score":100,
"_source": {
"myfield1": "i have a twin",
"name":"fred"
}
},
{
"_index":"myindex",
"_score":50,
"_source": {
"myfield1": "i have a twin",
"name":"george"
}
},
{
"_index":"myindex",
"_score":10,
"_source": {
"myfield1": "i have a twin",
"name":"tom"
}
},
{
"_index":"myindex",
"_score":10,
"_source": {
"myfield1": "i DONT have a twin",
"name":"doug"
}
}
Then after this filter I want this ... tom removed because he has same
value for myfield1, but the lowest score. Doug stays because he has a
different value for myfield1.
{
"_index":"myindex",
"_score":100,
"_source": {
"myfield1": "i have a twin",
"name":"fred"
}
},
{
"_index":"myindex",
"_score":50,
"_source": {
"myfield1": "i have a twin",
"name":"george"
}
},
{
"_index":"myindex",
"_score":10,
"_source": {
"myfield1": "i DONT have a twin",
"name":"doug"
}
}
I would like to incorporate this agg in my query here...
{
"query": {
"function_score": {
"query": {
"bool": {
"should": [
{
"match_phrase_prefix": {
"myfield": {
"query": "i have",
"fuzziness": 1,
"slop":2,
"max_expansions": 10,
"prefix_length": 1
}
}
}
]
}
},
"boost_mode": "replace",
"functions": [
{
"script_score": {
"script": "_score * ..."
}
}
]
}
}
}
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