4,563,255 th visitor since 2017.2.1 ( Today : 149 )
Programming
No. 703
Name. swindler
Subject. [ElasticSearch] null ,not null 검색
Main Cate. 기타 DB
Sub Cate.
Date. 2013-03-19 14:34
Hit. 2557 (211.36.27.3)
File.
elastic search에서 null 이나 not null 검색을 하기 위해서는
filter 를 사용해야 한다.



// null
FilterBuilder fb = FilterBuilders.missingFilter("receive_at");
SearchRequestBuilder.setFilter(fb);


// not null
FilterBuilder fb = FilterBuilders.notFilter(FilterBuilders.missingFilter("receive_at"));
SearchRequestBuilder.setFilter(fb);



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