ES query data for a field with no value

Others 2019-09-02 18:23:54 views: null

{ 
  "Query": { 
    "BOOL": { 
      "must_not": { 
        "EXISTS ": { 
          "Field": "there is no need to query field name value" 
        } 
      } 
    } 
  } 
}

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Origin www.cnblogs.com/WPF0414/p/11445805.html

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