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« Regexp Query Usage Terms Set Query Usage »

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Term Query Usage

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Term Query Usage

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Fluent DSL example

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q
.Term(c => c
    .Name("named_query")
    .Boost(1.1)
    .Field(p => p.Description)
    .Value("project description")
)

Object Initializer syntax example

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new TermQuery
{
    Name = "named_query",
    Boost = 1.1,
    Field = "description",
    Value = "project description"
}

Example json output.

{
  "term": {
    "description": {
      "_name": "named_query",
      "boost": 1.1,
      "value": "project description"
    }
  }
}

Verbatim term query

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By default an empty term is conditionless so will be rewritten. Sometimes sending an empty term to match nothing makes sense. You can either use the ConditionlessQuery construct from NEST to provide a fallback or make the query verbatim as followed:

Fluent DSL example

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q
.Term(c => c
    .Verbatim()
    .Field(p => p.Description)
    .Value(string.Empty)
)

Object Initializer syntax example

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new TermQuery
{
    IsVerbatim = true,
    Field = "description",
    Value = "",
}

Example json output.

{
  "term": {
    "description": {
      "value": ""
    }
  }
}

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