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elasticsearch query에서 특정 필드만 가져오기
_source가 false로 되어야 함.
{
"_source"
:
false
,
"fields"
:
[
"a"
,
"b"
] }
https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started.html#get-specific-fields
Til
,
Elasticsearch