boolean - ElasticSearch bool should_not filter -

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i'm newbie in elasticsearch, querion is:

there 3 sections in bool filter:

 must     of these clauses must match. equivalent of and.  must_not     of these clauses must not match. equivalent of not.  should     @ least 1 of these clauses must match. equivalent of or.

how preform should_not query?

thanks in advance :)

that depends on how wishing "should_not" function.

since should equivalent boolean or (i.e. return documents or b or c true), 1 way think of "should_not" equivalent not (a or b or c). in boolean logic, same not , not b , not c. in case, "should_not" behavior accomplished adding clauses must_not section of bool filter.


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