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Elasticsearch.Net and NEST: the .NET clients [1.x] » Core » Delete by Query
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Delete by Queryedit

client.DeleteByQuery<ElasticsearchProject>(q => q
    .Query(rq => rq
        .Term(f => f.Name, "elasticsearch.pm")
    )
);

Elasticsearch allows you to delete over multiple types and indexes, so does NEST.

client.DeleteByQuery<ElasticSearchProject>(q => q
    .Indices(new[] {"index1", "index2"})
    .Query(rq => rq
        .Term(f => f.Name, "elasticsearch.pm")
    )
);

As always *Async variants are available too.

You can also delete by query over all the indices and types:

client.DeleteByQuery<ElasticSearchProject>(q => q
    .AllIndices()
    .Query(rq => rq
        .Term(f => f.Name, "elasticsearch.pm")
    )
);

The DeleteByQuery can be further controlled…

client.DeleteByQuery<ElasticSearchProject>(q => q
    .Query(rq => rq
        .Term(f => f.Name, "elasticsearch.pm")
    )
    .Routing("nest")
    .Replication(Replication.Sync)
);

Object Initializer Syntaxedit

The above can also be accomplished using the object initializer syntax:

var request = new DeleteByQueryRequest<ElasticsearchProject>
{
    Query = new QueryContainer(
            new TermQuery
            {
                Field = "name",
                Value = "elasticsearch.pm"
            }
        )
    ,
    Routing = "nest",
    Replication = Replication.Sync
};

client.DeleteByQuery(request);
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